tag:blogger.com,1999:blog-87145790489897789222024-03-28T20:28:41.124-07:00STARS OF PIS AHMEDABAD STD VIहम में हैं कुछ खास, हम में हैं कुछ बात, क्योंकि हम ही हैं दुनिया की आस.Stars of Podarhttp://www.blogger.com/profile/06466238493180821079noreply@blogger.comBlogger550125tag:blogger.com,1999:blog-8714579048989778922.post-55769174092304788402022-03-05T01:21:00.004-08:002022-03-05T01:21:55.734-08:00SST Revision Question Bank<p> <a href="https://drive.google.com/file/d/1nksZfDhT8XCgvmXns1hehdC6CsN-YEdV/view?usp=sharing">SST Revision Question Bank</a></p><p><a href="https://drive.google.com/file/d/1YV-ihcNfglHZ-YI3SizbUld2N8C1sSPd/view?usp=sharing">SST Answer sheet of Revision Question Bank</a><br /></p>sayli survehttp://www.blogger.com/profile/10840052362399632202noreply@blogger.com7tag:blogger.com,1999:blog-8714579048989778922.post-65665787491273506742022-03-04T21:59:00.000-08:002022-03-04T21:59:02.609-08:00SCIENCE REVISION BANK yearly exam QUESTION & ANSWER<p> </p><p class="MsoNormal" style="line-height: 115%;"><span lang="EN-GB" style="display: none; font-family: Ebrima; mso-bidi-font-family: Arial; mso-hide: all;"><o:p> </o:p></span></p>
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<p align="center" class="MsoHeader" style="line-height: 115%; margin-bottom: 2.0pt; margin-left: 0in; margin-right: 0in; margin-top: 2.0pt; text-align: center;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;">PODAR INTERNATIONAL SCHOOL </span></b><span lang="EN-GB" style="font-family: Ebrima;"><o:p></o:p></span></p>
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<p align="center" class="MsoHeader" style="line-height: 115%; margin-bottom: 2.0pt; margin-left: 0in; margin-right: 0in; margin-top: 2.0pt; text-align: center;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;">Revision Question Bank (2021-22)<o:p></o:p></span></b></p>
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<p class="MsoHeader" style="line-height: 115%; margin-bottom: 2.0pt; margin-left: 0in; margin-right: 0in; margin-top: 2.0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;">Std: <span style="mso-bidi-font-weight: bold;">VI</span><o:p></o:p></span></b></p>
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<p align="center" class="MsoHeader" style="line-height: 115%; margin-bottom: 2.0pt; margin-left: 0in; margin-right: 0in; margin-top: 2.0pt; text-align: center;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="color: red; font-family: Ebrima; mso-bidi-font-family: Arial;">Question - Answer Scheme<o:p></o:p></span></b></p>
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<p class="MsoHeader" style="line-height: 115%; margin-bottom: 2.0pt; margin-left: 0in; margin-right: 0in; margin-top: 2.0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;">Subject: <span style="mso-bidi-font-weight: bold;">Science</span><o:p></o:p></span></b></p>
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<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="line-height: 115%;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
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<td style="padding: 0in 5.4pt 0in 5.4pt; width: 6.14%;" valign="top" width="6%">
<p class="MsoNormal" style="line-height: 115%;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
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<p style="margin-bottom: 2.0pt; margin-left: 0in; margin-right: 0in; margin-top: 2.0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;">Portion: <o:p></o:p></span></b></p>
<p class="MsoNormal" style="margin-left: 25.1pt; mso-list: l12 level1 lfo14; text-indent: -.25in; vertical-align: baseline;"><!--[if !supportLists]--><span lang="EN-IN" style="color: black; font-family: Symbol; mso-ansi-language: EN-IN; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol; mso-fareast-language: EN-IN;"><span style="mso-list: Ignore;">·<span style="font: 7.0pt "Times New Roman";">
</span></span></span><!--[endif]--><span lang="EN-IN" style="color: black; font-family: Ebrima; mso-ansi-language: EN-IN; mso-fareast-font-family: "Times New Roman"; mso-fareast-language: EN-IN;">Ch. 6: Changes Around Us<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left: 25.1pt; mso-list: l12 level1 lfo14; text-indent: -.25in; vertical-align: baseline;"><!--[if !supportLists]--><span lang="EN-IN" style="color: black; font-family: Symbol; mso-ansi-language: EN-IN; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol; mso-fareast-language: EN-IN;"><span style="mso-list: Ignore;">·<span style="font: 7.0pt "Times New Roman";">
</span></span></span><!--[endif]--><span lang="EN-IN" style="color: black; font-family: Ebrima; mso-ansi-language: EN-IN; mso-fareast-font-family: "Times New Roman"; mso-fareast-language: EN-IN;">Ch. 9: Living Organisms and Their surroundings
[B] Habitat and Adaptation<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left: 25.1pt; mso-list: l12 level1 lfo14; text-indent: -.25in; vertical-align: baseline;"><!--[if !supportLists]--><span lang="EN-IN" style="color: black; font-family: Symbol; mso-ansi-language: EN-IN; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol; mso-fareast-language: EN-IN;"><span style="mso-list: Ignore;">·<span style="font: 7.0pt "Times New Roman";">
</span></span></span><!--[endif]--><span lang="EN-IN" style="color: black; font-family: Ebrima; mso-ansi-language: EN-IN; mso-fareast-font-family: "Times New Roman"; mso-fareast-language: EN-IN;">Ch. 12: Electricity and Circuits<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left: 25.1pt; mso-list: l12 level1 lfo14; text-indent: -.25in; vertical-align: baseline;"><!--[if !supportLists]--><span lang="EN-IN" style="color: black; font-family: Symbol; mso-ansi-language: EN-IN; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol; mso-fareast-language: EN-IN;"><span style="mso-list: Ignore;">·<span style="font: 7.0pt "Times New Roman";">
</span></span></span><!--[endif]--><span lang="EN-IN" style="color: black; font-family: Ebrima; mso-ansi-language: EN-IN; mso-fareast-font-family: "Times New Roman"; mso-fareast-language: EN-IN;">Ch. 13: Magnetism<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left: 25.1pt; mso-list: l12 level1 lfo14; text-indent: -.25in; vertical-align: baseline;"><!--[if !supportLists]--><span lang="EN-IN" style="color: black; font-family: Symbol; mso-ansi-language: EN-IN; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol; mso-fareast-language: EN-IN;"><span style="mso-list: Ignore;">·<span style="font: 7.0pt "Times New Roman";">
</span></span></span><!--[endif]--><span lang="EN-IN" style="color: black; font-family: Ebrima; mso-ansi-language: EN-IN; mso-fareast-font-family: "Times New Roman"; mso-fareast-language: EN-IN;">Ch. 14: Air around Us <o:p></o:p></span></p>
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<p style="margin-bottom: 2.0pt; margin-left: 0in; margin-right: 0in; margin-top: 2.0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
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<p align="center" class="MsoNormal" style="line-height: 115%; text-align: center;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;">Section A<o:p></o:p></span></b></p>
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<p align="center" class="MsoNormal" style="line-height: 115%; text-align: center;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
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<p class="MsoNormal" style="line-height: 115%; margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 7.05pt; margin-right: 0in; margin-top: 1.0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
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<p class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></p>
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<td style="padding: 0in 5.4pt 0in 5.4pt; width: 6.14%;" valign="top" width="6%">
<p align="center" class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt; text-align: center;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></p>
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<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 5.44%;" valign="top" width="5%">
<p class="MsoListParagraph" style="line-height: 115%; margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 25.05pt; margin-right: 0in; margin-top: 1.0pt; mso-add-space: auto; mso-list: l5 level1 lfo1; text-indent: -.25in;"><!--[if !supportLists]--><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Ebrima; mso-bidi-language: AR-SA; mso-fareast-font-family: Ebrima;"><span style="mso-list: Ignore;">1.<span style="font: 7.0pt "Times New Roman";">
</span></span></span><!--[endif]--><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial; mso-bidi-language: AR-SA;"><o:p> </o:p></span></b></p>
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<p class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;">Which of the
following statement is INCORRECT about physical changes?<o:p></o:p></span></p>
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<p align="center" class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt; text-align: center;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial; mso-bidi-language: HI;">1<o:p></o:p></span></p>
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<p class="MsoListParagraphCxSpFirst" style="line-height: 115%; margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 25.05pt; margin-right: 0in; margin-top: 1.0pt; mso-add-space: auto;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial; mso-bidi-language: AR-SA;"><o:p> </o:p></span></b></p>
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<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 8.26%;" valign="top" width="8%">
<p class="MsoListParagraphCxSpLast" style="line-height: 115%; margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 32.15pt; margin-right: 0in; margin-top: 1.0pt; mso-add-space: auto; mso-list: l10 level1 lfo3; text-indent: -.25in;"><!--[if !supportLists]--><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Ebrima; mso-fareast-font-family: Ebrima;"><span style="mso-list: Ignore;">(a)<span style="font: 7.0pt "Times New Roman";"> </span></span></span><!--[endif]--><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;">A new
substance is formed.<o:p></o:p></span></p>
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<td style="padding: 0in 5.4pt 0in 5.4pt; width: 6.14%;" valign="top" width="6%">
<p align="center" class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt; text-align: center;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></p>
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<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 5.44%;" valign="top" width="5%">
<p class="MsoListParagraphCxSpFirst" style="line-height: 115%; margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 25.05pt; margin-right: 0in; margin-top: 1.0pt; mso-add-space: auto;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial; mso-bidi-language: AR-SA;"><o:p> </o:p></span></b></p>
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<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 8.26%;" valign="top" width="8%">
<p class="MsoListParagraphCxSpLast" style="line-height: 115%; margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 32.15pt; margin-right: 0in; margin-top: 1.0pt; mso-add-space: auto; mso-list: l10 level1 lfo3; text-indent: -.25in;"><!--[if !supportLists]--><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Ebrima; mso-fareast-font-family: Ebrima;"><span style="mso-list: Ignore;">(b)<span style="font: 7.0pt "Times New Roman";"> </span></span></span><!--[endif]--><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></p>
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<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 80.16%;" valign="top" width="80%">
<p class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;">Change in
the state of matter of a substance.<o:p></o:p></span></p>
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<td style="padding: 0in 5.4pt 0in 5.4pt; width: 6.14%;" valign="top" width="6%">
<p align="center" class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt; text-align: center;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></p>
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<p class="MsoListParagraphCxSpFirst" style="line-height: 115%; margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 25.05pt; margin-right: 0in; margin-top: 1.0pt; mso-add-space: auto;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial; mso-bidi-language: AR-SA;"><o:p> </o:p></span></b></p>
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<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 8.26%;" valign="top" width="8%">
<p class="MsoListParagraphCxSpLast" style="line-height: 115%; margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 32.15pt; margin-right: 0in; margin-top: 1.0pt; mso-add-space: auto; mso-list: l10 level1 lfo3; text-indent: -.25in;"><!--[if !supportLists]--><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Ebrima; mso-fareast-font-family: Ebrima;"><span style="mso-list: Ignore;">(c)<span style="font: 7.0pt "Times New Roman";"> </span></span></span><!--[endif]--><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;">Change in the
size of a substance.<o:p></o:p></span></p>
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<td style="padding: 0in 5.4pt 0in 5.4pt; width: 6.14%;" valign="top" width="6%">
<p align="center" class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt; text-align: center;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></p>
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<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 5.44%;" valign="top" width="5%">
<p class="MsoListParagraphCxSpFirst" style="line-height: 115%; margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 25.05pt; margin-right: 0in; margin-top: 1.0pt; mso-add-space: auto;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial; mso-bidi-language: AR-SA;"><o:p> </o:p></span></b></p>
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<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 8.26%;" valign="top" width="8%">
<p class="MsoListParagraphCxSpLast" style="line-height: 115%; margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 32.15pt; margin-right: 0in; margin-top: 1.0pt; mso-add-space: auto; mso-list: l10 level1 lfo3; text-indent: -.25in;"><!--[if !supportLists]--><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Ebrima; mso-fareast-font-family: Ebrima;"><span style="mso-list: Ignore;">(d)<span style="font: 7.0pt "Times New Roman";"> </span></span></span><!--[endif]--><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></p>
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<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 80.16%;" valign="top" width="80%">
<p class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;">No change in
the chemical properties of a substance.<o:p></o:p></span></p>
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<td style="padding: 0in 5.4pt 0in 5.4pt; width: 6.14%;" valign="top" width="6%">
<p align="center" class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt; text-align: center;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></p>
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<tr style="mso-yfti-irow: 9;">
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 5.44%;" valign="top" width="5%">
<p class="MsoListParagraph" style="line-height: 115%; margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 25.05pt; margin-right: 0in; margin-top: 1.0pt; mso-add-space: auto;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial; mso-bidi-language: AR-SA;"><o:p> </o:p></span></b></p>
</td>
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 8.26%;" valign="top" width="8%">
<p class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial; mso-fareast-font-family: Calibri;">ans:</span></b><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p></o:p></span></p>
</td>
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 80.16%;" valign="top" width="80%">
<p class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;">(a) </span></b><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;">A new substance is
formed.<b style="mso-bidi-font-weight: normal;"><span style="color: #000099;"><o:p></o:p></span></b></span></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 6.14%;" valign="top" width="6%">
<p align="center" class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt; text-align: center;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
</tr>
<tr style="mso-yfti-irow: 10;">
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 5.44%;" valign="top" width="5%">
<p class="MsoListParagraph" style="line-height: 115%; margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 25.05pt; margin-right: 0in; margin-top: 1.0pt; mso-add-space: auto;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial; mso-bidi-language: AR-SA;"><o:p> </o:p></span></b></p>
</td>
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 8.26%;" valign="top" width="8%">
<p class="MsoNormal" style="line-height: 115%; margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 9.0pt; margin-right: 0in; margin-top: 1.0pt;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></p>
</td>
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 80.16%;" valign="top" width="80%">
<p align="right" class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt; text-align: right;"><i style="mso-bidi-font-style: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;">Ch 6: Changes
Around Us, Pg- 64</span></i><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p></o:p></span></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 6.14%;" valign="top" width="6%">
<p align="center" class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt; text-align: center;"><i style="mso-bidi-font-style: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></i></p>
</td>
</tr>
<tr style="mso-yfti-irow: 11;">
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 5.44%;" valign="top" width="5%">
<p class="MsoListParagraph" style="line-height: 115%; margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 25.05pt; margin-right: 0in; margin-top: 1.0pt; mso-add-space: auto;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial; mso-bidi-language: AR-SA;"><o:p> </o:p></span></b></p>
</td>
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 8.26%;" valign="top" width="8%">
<p class="MsoNormal" style="line-height: 115%; margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 9.0pt; margin-right: 0in; margin-top: 1.0pt;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></p>
</td>
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 80.16%;" valign="top" width="80%">
<p align="right" class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt; text-align: right;"><i><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></i></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 6.14%;" valign="top" width="6%">
<p align="center" class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt; text-align: center;"><i><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></i></p>
</td>
</tr>
<tr style="mso-yfti-irow: 12;">
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 5.44%;" valign="top" width="5%">
<p class="MsoListParagraph" style="line-height: 115%; margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 25.05pt; margin-right: 0in; margin-top: 1.0pt; mso-add-space: auto; mso-list: l5 level1 lfo1; text-indent: -.25in;"><!--[if !supportLists]--><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Ebrima; mso-bidi-language: AR-SA; mso-fareast-font-family: Ebrima;"><span style="mso-list: Ignore;">2.<span style="font: 7.0pt "Times New Roman";">
</span></span></span><!--[endif]--><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial; mso-bidi-language: AR-SA;"><o:p> </o:p></span></b></p>
</td>
<td colspan="4" style="padding: 0in 5.4pt 0in 5.4pt; width: 88.4%;" valign="top" width="88%">
<p class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;">Which of the
following statement/s is/are TRUE?<o:p></o:p></span></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 6.14%;" valign="top" width="6%">
<p align="center" class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt; text-align: center;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;">1<o:p></o:p></span></p>
</td>
</tr>
<tr style="mso-yfti-irow: 13;">
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 5.44%;" valign="top" width="5%">
<p class="MsoListParagraph" style="line-height: 115%; margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 25.05pt; margin-right: 0in; margin-top: 1.0pt; mso-add-space: auto;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial; mso-bidi-language: AR-SA;"><o:p> </o:p></span></b></p>
</td>
<td colspan="4" style="padding: 0in 5.4pt 0in 5.4pt; width: 88.4%;" valign="top" width="88%">
<p class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;">Statement I:
The atmosphere is thicker at sea level and becomes thinner as we climb
higher.<o:p></o:p></span></p>
<p class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;">Statement
II: In coastal areas, the air has a lesser percentage of moisture in it.<o:p></o:p></span></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 6.14%;" valign="top" width="6%">
<p align="center" class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt; text-align: center;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></p>
</td>
</tr>
<tr style="mso-yfti-irow: 14;">
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 5.44%;" valign="top" width="5%">
<p class="MsoListParagraphCxSpFirst" style="line-height: 115%; margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 25.05pt; margin-right: 0in; margin-top: 1.0pt; mso-add-space: auto;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial; mso-bidi-language: AR-SA;"><o:p> </o:p></span></b></p>
</td>
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 8.26%;" valign="top" width="8%">
<p class="MsoListParagraphCxSpLast" style="line-height: 115%; margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 32.15pt; margin-right: 0in; margin-top: 1.0pt; mso-add-space: auto; mso-list: l3 level1 lfo9; text-indent: -.25in;"><!--[if !supportLists]--><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Ebrima; mso-fareast-font-family: Ebrima;"><span style="mso-list: Ignore;">(a)<span style="font: 7.0pt "Times New Roman";"> </span></span></span><!--[endif]--><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></p>
</td>
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 80.16%;" valign="top" width="80%">
<p class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;">Statement I
is true.<o:p></o:p></span></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 6.14%;" valign="top" width="6%">
<p align="center" class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt; text-align: center;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></p>
</td>
</tr>
<tr style="mso-yfti-irow: 15;">
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 5.44%;" valign="top" width="5%">
<p class="MsoListParagraphCxSpFirst" style="line-height: 115%; margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 25.05pt; margin-right: 0in; margin-top: 1.0pt; mso-add-space: auto;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial; mso-bidi-language: AR-SA;"><o:p> </o:p></span></b></p>
</td>
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 8.26%;" valign="top" width="8%">
<p class="MsoListParagraphCxSpLast" style="line-height: 115%; margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 32.15pt; margin-right: 0in; margin-top: 1.0pt; mso-add-space: auto; mso-list: l3 level1 lfo9; text-indent: -.25in;"><!--[if !supportLists]--><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Ebrima; mso-fareast-font-family: Ebrima;"><span style="mso-list: Ignore;">(b)<span style="font: 7.0pt "Times New Roman";"> </span></span></span><!--[endif]--><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></p>
</td>
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 80.16%;" valign="top" width="80%">
<p class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;">Statement II
is true.<o:p></o:p></span></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 6.14%;" valign="top" width="6%">
<p align="center" class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt; text-align: center;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></p>
</td>
</tr>
<tr style="mso-yfti-irow: 16;">
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 5.44%;" valign="top" width="5%">
<p class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 8.26%;" valign="top" width="8%">
<p class="MsoListParagraph" style="line-height: 115%; margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 32.15pt; margin-right: 0in; margin-top: 1.0pt; mso-add-space: auto; mso-list: l3 level1 lfo9; text-indent: -.25in;"><!--[if !supportLists]--><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Ebrima; mso-fareast-font-family: Ebrima;"><span style="mso-list: Ignore;">(c)<span style="font: 7.0pt "Times New Roman";"> </span></span></span><!--[endif]--><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></p>
</td>
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 80.16%;" valign="top" width="80%">
<p class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;">Both
statement I and statement II are true.<o:p></o:p></span></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 6.14%;" valign="top" width="6%">
<p align="center" class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt; text-align: center;"><span lang="EN-GB" style="color: black; font-family: Ebrima; mso-bidi-font-family: Arial; mso-themecolor: text1;"><o:p> </o:p></span></p>
</td>
</tr>
<tr style="mso-yfti-irow: 17;">
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 5.44%;" valign="top" width="5%">
<p class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 8.26%;" valign="top" width="8%">
<p class="MsoListParagraph" style="line-height: 115%; margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 32.15pt; margin-right: 0in; margin-top: 1.0pt; mso-add-space: auto; mso-list: l3 level1 lfo9; text-indent: -.25in;"><!--[if !supportLists]--><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Ebrima; mso-fareast-font-family: Ebrima;"><span style="mso-list: Ignore;">(d)<span style="font: 7.0pt "Times New Roman";"> </span></span></span><!--[endif]--><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></p>
</td>
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 80.16%;" valign="top" width="80%">
<p class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;">Neither
statement I nor statement II are true.<o:p></o:p></span></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 6.14%;" valign="top" width="6%">
<p align="center" class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt; text-align: center;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></p>
</td>
</tr>
<tr style="mso-yfti-irow: 18;">
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 5.44%;" valign="top" width="5%">
<p class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 8.0%;" valign="top" width="8%">
<p class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial; mso-fareast-font-family: Calibri;">ans:</span></b><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p></o:p></span></p>
</td>
<td colspan="3" style="padding: 0in 5.4pt 0in 5.4pt; width: 80.42%;" valign="top" width="80%">
<p class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial; mso-fareast-font-family: Calibri;">(a)
Statement I is true.<o:p></o:p></span></b></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 6.14%;" valign="top" width="6%">
<p align="center" class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt; text-align: center;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial; mso-fareast-font-family: Calibri;"><o:p> </o:p></span></b></p>
</td>
</tr>
<tr style="mso-yfti-irow: 19;">
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 5.44%;" valign="top" width="5%">
<p class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 8.0%;" valign="top" width="8%">
<p class="MsoNormal" style="line-height: 115%; margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 9.0pt; margin-right: 0in; margin-top: 1.0pt;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></p>
</td>
<td colspan="3" style="padding: 0in 5.4pt 0in 5.4pt; width: 80.42%;" valign="top" width="80%">
<p align="right" class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt; text-align: right;"><i style="mso-bidi-font-style: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;">Ch 14:
Air Around Us, Pg-191</span></i><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p></o:p></span></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 6.14%;" valign="top" width="6%">
<p align="center" class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt; text-align: center;"><i style="mso-bidi-font-style: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></i></p>
</td>
</tr>
<tr style="mso-yfti-irow: 20;">
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 5.44%;" valign="top" width="5%">
<p class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 8.0%;" valign="top" width="8%">
<p class="MsoNormal" style="line-height: 115%; margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 9.0pt; margin-right: 0in; margin-top: 1.0pt;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></p>
</td>
<td colspan="3" style="padding: 0in 5.4pt 0in 5.4pt; width: 80.42%;" valign="top" width="80%">
<p align="right" class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt; text-align: right;"><i style="mso-bidi-font-style: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></i></p>
<p align="right" class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt; text-align: right;"><i style="mso-bidi-font-style: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></i></p>
<p align="right" class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt; text-align: right;"><i style="mso-bidi-font-style: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></i></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 6.14%;" valign="top" width="6%">
<p align="center" class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt; text-align: center;"><i style="mso-bidi-font-style: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></i></p>
</td>
</tr>
<tr style="mso-yfti-irow: 21;">
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 5.44%;" valign="top" width="5%">
<p class="MsoListParagraph" style="line-height: 115%; margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 25.05pt; margin-right: 0in; margin-top: 1.0pt; mso-add-space: auto; mso-list: l5 level1 lfo1; text-indent: -.25in;"><!--[if !supportLists]--><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Ebrima; mso-fareast-font-family: Ebrima;"><span style="mso-list: Ignore;">3.<span style="font: 7.0pt "Times New Roman";"> </span></span></span><!--[endif]--><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td colspan="4" style="padding: 0in 5.4pt 0in 5.4pt; width: 88.4%;" valign="top" width="88%">
<p class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial; mso-bidi-language: HI;">A shepherd named Magnes living in Greece used to take his herd of sheep
and goats on a mountain for grazing. He always carried a stick to control his
herd. The stick had a small piece of iron attached to one end. One day, he
had to pull hard to free his stick from a rock on the mountain side.<span style="mso-spacerun: yes;"> </span>The rock was a natural magnet and the stick
got attracted to it. One of the important properties of a magnet is that a
freely suspended magnet always rests in the same direction.<o:p></o:p></span></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 6.14%;" valign="top" width="6%">
<p align="center" class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt; text-align: center;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial; mso-bidi-language: HI;"><o:p> </o:p></span></p>
</td>
</tr>
<tr style="mso-yfti-irow: 22;">
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 5.44%;" valign="top" width="5%">
<p class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td colspan="4" style="padding: 0in 5.4pt 0in 5.4pt; width: 88.4%;" valign="top" width="88%">
<p class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial; mso-bidi-language: HI;">One end of the magnetic needle in a magnetic compass is coloured red.
This end of the needle always points:<o:p></o:p></span></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 6.14%;" valign="top" width="6%">
<p align="center" class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt; text-align: center;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial; mso-bidi-language: HI;">1<o:p></o:p></span></p>
</td>
</tr>
<tr style="mso-yfti-irow: 23;">
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 5.44%;" valign="top" width="5%">
<p class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 8.26%;" valign="top" width="8%">
<p class="MsoListParagraph" style="line-height: 115%; margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 32.15pt; margin-right: 0in; margin-top: 1.0pt; mso-add-space: auto; mso-list: l0 level1 lfo4; text-indent: -.25in;"><!--[if !supportLists]--><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Ebrima; mso-fareast-font-family: Ebrima;"><span style="mso-list: Ignore;">(a)<span style="font: 7.0pt "Times New Roman";"> </span></span></span><!--[endif]--><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></p>
</td>
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 80.16%;" valign="top" width="80%">
<p class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial; mso-bidi-language: HI;">towards south<o:p></o:p></span></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 6.14%;" valign="top" width="6%">
<p align="center" class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt; text-align: center;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial; mso-bidi-language: HI;"><o:p> </o:p></span></p>
</td>
</tr>
<tr style="mso-yfti-irow: 24;">
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 5.44%;" valign="top" width="5%">
<p class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 8.26%;" valign="top" width="8%">
<p class="MsoListParagraph" style="line-height: 115%; margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 32.15pt; margin-right: 0in; margin-top: 1.0pt; mso-add-space: auto; mso-list: l0 level1 lfo4; text-indent: -.25in;"><!--[if !supportLists]--><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Ebrima; mso-fareast-font-family: Ebrima;"><span style="mso-list: Ignore;">(b)<span style="font: 7.0pt "Times New Roman";"> </span></span></span><!--[endif]--><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></p>
</td>
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 80.16%;" valign="top" width="80%">
<p class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial; mso-bidi-language: HI;">towards north<o:p></o:p></span></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 6.14%;" valign="top" width="6%">
<p align="center" class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt; text-align: center;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial; mso-bidi-language: HI;"><o:p> </o:p></span></p>
</td>
</tr>
<tr style="mso-yfti-irow: 25;">
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 5.44%;" valign="top" width="5%">
<p class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 8.26%;" valign="top" width="8%">
<p class="MsoListParagraph" style="line-height: 115%; margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 32.15pt; margin-right: 0in; margin-top: 1.0pt; mso-add-space: auto; mso-list: l0 level1 lfo4; text-indent: -.25in;"><!--[if !supportLists]--><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Ebrima; mso-fareast-font-family: Ebrima;"><span style="mso-list: Ignore;">(c)<span style="font: 7.0pt "Times New Roman";"> </span></span></span><!--[endif]--><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></p>
</td>
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 80.16%;" valign="top" width="80%">
<p class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial; mso-bidi-language: HI;">towards east <o:p></o:p></span></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 6.14%;" valign="top" width="6%">
<p align="center" class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt; text-align: center;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial; mso-bidi-language: HI;"><o:p> </o:p></span></p>
</td>
</tr>
<tr style="mso-yfti-irow: 26;">
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 5.44%;" valign="top" width="5%">
<p class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 8.26%;" valign="top" width="8%">
<p class="MsoListParagraph" style="line-height: 115%; margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 32.15pt; margin-right: 0in; margin-top: 1.0pt; mso-add-space: auto; mso-list: l0 level1 lfo4; text-indent: -.25in;"><!--[if !supportLists]--><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Ebrima; mso-fareast-font-family: Ebrima;"><span style="mso-list: Ignore;">(d)<span style="font: 7.0pt "Times New Roman";"> </span></span></span><!--[endif]--><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></p>
</td>
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 80.16%;" valign="top" width="80%">
<p class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial; mso-bidi-language: HI;">towards west<o:p></o:p></span></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 6.14%;" valign="top" width="6%">
<p align="center" class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt; text-align: center;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial; mso-bidi-language: HI;"><o:p> </o:p></span></p>
</td>
</tr>
<tr style="mso-yfti-irow: 27;">
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 5.44%;" valign="top" width="5%">
<p class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 8.26%;" valign="top" width="8%">
<p class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial; mso-fareast-font-family: Calibri;">ans:</span></b><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p></o:p></span></p>
</td>
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 80.16%;" valign="top" width="80%">
<p class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial; mso-fareast-font-family: Calibri;">(b)
towards north<o:p></o:p></span></b></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 6.14%;" valign="top" width="6%">
<p align="center" class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt; text-align: center;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial; mso-fareast-font-family: Calibri;"><o:p> </o:p></span></b></p>
</td>
</tr>
<tr style="mso-yfti-irow: 28;">
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 5.44%;" valign="top" width="5%">
<p class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 8.26%;" valign="top" width="8%">
<p class="MsoNormal" style="line-height: 115%; margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 9.0pt; margin-right: 0in; margin-top: 1.0pt;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></p>
</td>
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 80.16%;" valign="top" width="80%">
<p align="right" class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt; text-align: right;"><i><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></i></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 6.14%;" valign="top" width="6%">
<p align="center" class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt; text-align: center;"><i><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></i></p>
</td>
</tr>
<tr style="mso-yfti-irow: 29;">
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 5.44%;" valign="top" width="5%">
<p class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 8.26%;" valign="top" width="8%">
<p class="MsoNormal" style="line-height: 115%; margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 9.0pt; margin-right: 0in; margin-top: 1.0pt;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></p>
</td>
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 80.16%;" valign="top" width="80%">
<p align="right" class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt; text-align: right;"><i><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></i></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 6.14%;" valign="top" width="6%">
<p align="center" class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt; text-align: center;"><i><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></i></p>
</td>
</tr>
<tr style="mso-yfti-irow: 30;">
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 5.44%;" valign="top" width="5%">
<p class="MsoListParagraph" style="line-height: 115%; margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 25.05pt; margin-right: 0in; margin-top: 1.0pt; mso-add-space: auto; mso-list: l5 level1 lfo1; text-indent: -.25in;"><!--[if !supportLists]--><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Ebrima; mso-fareast-font-family: Ebrima;"><span style="mso-list: Ignore;">4.<span style="font: 7.0pt "Times New Roman";"> </span></span></span><!--[endif]--><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td colspan="4" style="padding: 0in 5.4pt 0in 5.4pt; width: 88.4%;" valign="top" width="88%">
<p class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial; mso-bidi-language: HI;">A shepherd named Magnes living in Greece used to take his herd of sheep
and goats on a mountain for grazing. He always carried a stick to control his
herd. The stick had a small piece of iron attached to one end. One day, he
had to pull hard to free his stick from a rock on the mountain side.<span style="mso-spacerun: yes;"> </span>The rock was a natural magnet and the stick
got attracted to it. One of the important properties of a magnet is that a
freely suspended magnet always rests in the same direction.<o:p></o:p></span></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 6.14%;" valign="top" width="6%">
<p align="center" class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt; text-align: center;"><i><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></i></p>
</td>
</tr>
<tr style="mso-yfti-irow: 31;">
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 5.44%;" valign="top" width="5%">
<p class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td colspan="4" style="padding: 0in 5.4pt 0in 5.4pt; width: 88.4%;" valign="top" width="88%">
<p class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial; mso-bidi-language: HI;">What is a natural magnet known as?<o:p></o:p></span></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 6.14%;" valign="top" width="6%">
<p align="center" class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt; text-align: center;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial; mso-bidi-language: HI;">1<o:p></o:p></span></p>
</td>
</tr>
<tr style="mso-yfti-irow: 32;">
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 5.44%;" valign="top" width="5%">
<p class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 8.26%;" valign="top" width="8%">
<p class="MsoListParagraph" style="line-height: 115%; margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 32.15pt; margin-right: 0in; margin-top: 1.0pt; mso-add-space: auto; mso-list: l11 level1 lfo5; text-indent: -.25in;"><!--[if !supportLists]--><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Ebrima; mso-fareast-font-family: Ebrima;"><span style="mso-list: Ignore;">(a)<span style="font: 7.0pt "Times New Roman";"> </span></span></span><!--[endif]--><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></p>
</td>
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 80.16%;" valign="top" width="80%">
<p class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial; mso-bidi-language: HI;">Toroid <o:p></o:p></span></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 6.14%;" valign="top" width="6%">
<p align="center" class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt; text-align: center;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial; mso-bidi-language: HI;"><o:p> </o:p></span></p>
</td>
</tr>
<tr style="mso-yfti-irow: 33;">
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 5.44%;" valign="top" width="5%">
<p class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 8.26%;" valign="top" width="8%">
<p class="MsoListParagraph" style="line-height: 115%; margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 32.15pt; margin-right: 0in; margin-top: 1.0pt; mso-add-space: auto; mso-list: l11 level1 lfo5; text-indent: -.25in;"><!--[if !supportLists]--><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Ebrima; mso-fareast-font-family: Ebrima;"><span style="mso-list: Ignore;">(b)<span style="font: 7.0pt "Times New Roman";"> </span></span></span><!--[endif]--><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></p>
</td>
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 80.16%;" valign="top" width="80%">
<p class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial; mso-bidi-language: HI;">Lodestone <o:p></o:p></span></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 6.14%;" valign="top" width="6%">
<p align="center" class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt; text-align: center;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial; mso-bidi-language: HI;"><o:p> </o:p></span></p>
</td>
</tr>
<tr style="mso-yfti-irow: 34;">
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 5.44%;" valign="top" width="5%">
<p class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 8.26%;" valign="top" width="8%">
<p class="MsoListParagraph" style="line-height: 115%; margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 32.15pt; margin-right: 0in; margin-top: 1.0pt; mso-add-space: auto; mso-list: l11 level1 lfo5; text-indent: -.25in;"><!--[if !supportLists]--><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Ebrima; mso-fareast-font-family: Ebrima;"><span style="mso-list: Ignore;">(c)<span style="font: 7.0pt "Times New Roman";"> </span></span></span><!--[endif]--><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></p>
</td>
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 80.16%;" valign="top" width="80%">
<p class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial; mso-bidi-language: HI;">Haematite <o:p></o:p></span></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 6.14%;" valign="top" width="6%">
<p align="center" class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt; text-align: center;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial; mso-bidi-language: HI;"><o:p> </o:p></span></p>
</td>
</tr>
<tr style="mso-yfti-irow: 35;">
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 5.44%;" valign="top" width="5%">
<p class="MsoListParagraphCxSpFirst" style="line-height: 115%; margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 25.05pt; margin-right: 0in; margin-top: 1.0pt; mso-add-space: auto;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial; mso-bidi-language: AR-SA;"><o:p> </o:p></span></b></p>
</td>
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 8.26%;" valign="top" width="8%">
<p class="MsoListParagraphCxSpLast" style="line-height: 115%; margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 32.15pt; margin-right: 0in; margin-top: 1.0pt; mso-add-space: auto; mso-list: l11 level1 lfo5; text-indent: -.25in;"><!--[if !supportLists]--><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Ebrima; mso-fareast-font-family: Ebrima;"><span style="mso-list: Ignore;">(d)<span style="font: 7.0pt "Times New Roman";"> </span></span></span><!--[endif]--><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></p>
</td>
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 80.16%;" valign="top" width="80%">
<p class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial; mso-bidi-language: HI;">Solenoid<o:p></o:p></span></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 6.14%;" valign="top" width="6%">
<p align="center" class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt; text-align: center;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial; mso-bidi-language: HI;"><o:p> </o:p></span></p>
</td>
</tr>
<tr style="mso-yfti-irow: 36;">
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 5.44%;" valign="top" width="5%">
<p class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 8.0%;" valign="top" width="8%">
<p class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial; mso-fareast-font-family: Calibri;">ans:</span></b><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p></o:p></span></b></p>
</td>
<td colspan="3" style="padding: 0in 5.4pt 0in 5.4pt; width: 80.42%;" valign="top" width="80%">
<p class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt;"><b><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;">(b)
Lodestone <o:p></o:p></span></b></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 6.14%;" valign="top" width="6%">
<p align="center" class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt; text-align: center;"><b><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
</tr>
<tr style="mso-yfti-irow: 37;">
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 5.44%;" valign="top" width="5%">
<p class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 8.0%;" valign="top" width="8%">
<p class="MsoNormal" style="line-height: 115%; margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 4.5pt; margin-right: 0in; margin-top: 1.0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td colspan="3" style="padding: 0in 5.4pt 0in 5.4pt; width: 80.42%;" valign="top" width="80%">
<p align="right" class="MsoNormalCxSpMiddle" style="line-height: 115%; margin-top: 1.0pt; mso-add-space: auto; text-align: right;"><i><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></i></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 6.14%;" valign="top" width="6%">
<p align="center" class="MsoNormalCxSpMiddle" style="line-height: 115%; margin-top: 1.0pt; mso-add-space: auto; text-align: center;"><i><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></i></p>
</td>
</tr>
<tr style="mso-yfti-irow: 38;">
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 5.44%;" valign="top" width="5%">
<p class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 8.0%;" valign="top" width="8%">
<p class="MsoNormal" style="line-height: 115%; margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 4.5pt; margin-right: 0in; margin-top: 1.0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td colspan="3" style="padding: 0in 5.4pt 0in 5.4pt; width: 80.42%;" valign="top" width="80%">
<p align="right" class="MsoNormalCxSpMiddle" style="line-height: 115%; margin-top: 1.0pt; mso-add-space: auto; text-align: right;"><i><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></i></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 6.14%;" valign="top" width="6%">
<p align="center" class="MsoNormalCxSpMiddle" style="line-height: 115%; margin-top: 1.0pt; mso-add-space: auto; text-align: center;"><i><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></i></p>
</td>
</tr>
<tr style="mso-yfti-irow: 39;">
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 5.44%;" valign="top" width="5%">
<p class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 8.0%;" valign="top" width="8%">
<p class="MsoNormal" style="line-height: 115%; margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 4.5pt; margin-right: 0in; margin-top: 1.0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td colspan="3" style="padding: 0in 5.4pt 0in 5.4pt; width: 80.42%;" valign="top" width="80%">
<p align="right" class="MsoNormalCxSpMiddle" style="line-height: 115%; margin-top: 1.0pt; mso-add-space: auto; text-align: right;"><i><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></i></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 6.14%;" valign="top" width="6%">
<p align="center" class="MsoNormalCxSpMiddle" style="line-height: 115%; margin-top: 1.0pt; mso-add-space: auto; text-align: center;"><i><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></i></p>
</td>
</tr>
<tr style="mso-yfti-irow: 40;">
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 5.44%;" valign="top" width="5%">
<p class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 8.0%;" valign="top" width="8%">
<p class="MsoNormal" style="line-height: 115%; margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 4.5pt; margin-right: 0in; margin-top: 1.0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td colspan="3" style="padding: 0in 5.4pt 0in 5.4pt; width: 80.42%;" valign="top" width="80%">
<p align="right" class="MsoNormalCxSpMiddle" style="line-height: 115%; margin-top: 1.0pt; mso-add-space: auto; text-align: right;"><i><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></i></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 6.14%;" valign="top" width="6%">
<p align="center" class="MsoNormalCxSpMiddle" style="line-height: 115%; margin-top: 1.0pt; mso-add-space: auto; text-align: center;"><i><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></i></p>
</td>
</tr>
<tr style="mso-yfti-irow: 41;">
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 5.44%;" valign="top" width="5%">
<p class="MsoListParagraph" style="line-height: 115%; margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 25.05pt; margin-right: 0in; margin-top: 1.0pt; mso-add-space: auto; mso-list: l5 level1 lfo1; text-indent: -.25in;"><!--[if !supportLists]--><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Ebrima; mso-fareast-font-family: Ebrima;"><span style="mso-list: Ignore;">5.<span style="font: 7.0pt "Times New Roman";"> </span></span></span><!--[endif]--><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td colspan="4" style="padding: 0in 5.4pt 0in 5.4pt; width: 88.4%;" valign="top" width="88%">
<p class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial; mso-bidi-language: HI;">A shepherd named Magnes living in Greece used to take his herd of sheep
and goats on a mountain for grazing. He always carried a stick to control his
herd. The stick had a small piece of iron attached to one end. One day, he
had to pull hard to free his stick from a rock on the mountain side.<span style="mso-spacerun: yes;"> </span>The rock was a natural magnet and the stick
got attracted to it. One of the important properties of a magnet is that a
freely suspended magnet always rests in the same direction.<o:p></o:p></span></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 6.14%;" valign="top" width="6%">
<p align="center" class="MsoNormalCxSpMiddle" style="line-height: 115%; margin-top: 1.0pt; mso-add-space: auto; text-align: center;"><i><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></i></p>
</td>
</tr>
<tr style="mso-yfti-irow: 42;">
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 5.44%;" valign="top" width="5%">
<p class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial; mso-bidi-language: HI;"><o:p> </o:p></span></p>
</td>
<td colspan="4" style="padding: 0in 5.4pt 0in 5.4pt; width: 88.4%;" valign="top" width="88%">
<p class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial; mso-bidi-language: HI;">A freely suspended magnet always rests in the :<o:p></o:p></span></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 6.14%;" valign="top" width="6%">
<p align="center" class="MsoNormalCxSpMiddle" style="line-height: 115%; margin-top: 1.0pt; mso-add-space: auto; text-align: center;"><i><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></i></p>
</td>
</tr>
<tr style="mso-yfti-irow: 43;">
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 5.44%;" valign="top" width="5%">
<p class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 8.26%;" valign="top" width="8%">
<p class="MsoListParagraph" style="line-height: 115%; margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 32.15pt; margin-right: 0in; margin-top: 1.0pt; mso-add-space: auto; mso-list: l4 level1 lfo6; text-indent: -.25in;"><!--[if !supportLists]--><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Ebrima; mso-fareast-font-family: Ebrima;"><span style="mso-list: Ignore;">(a)<span style="font: 7.0pt "Times New Roman";"> </span></span></span><!--[endif]--><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></p>
</td>
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 80.16%;" valign="top" width="80%">
<p class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial; mso-bidi-language: HI;">east-west direction <o:p></o:p></span></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 6.14%;" valign="top" width="6%">
<p align="center" class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt; text-align: center;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial; mso-bidi-language: HI;"><o:p> </o:p></span></p>
</td>
</tr>
<tr style="mso-yfti-irow: 44;">
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 5.44%;" valign="top" width="5%">
<p class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 8.26%;" valign="top" width="8%">
<p class="MsoListParagraph" style="line-height: 115%; margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 32.15pt; margin-right: 0in; margin-top: 1.0pt; mso-add-space: auto; mso-list: l4 level1 lfo6; text-indent: -.25in;"><!--[if !supportLists]--><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Ebrima; mso-fareast-font-family: Ebrima;"><span style="mso-list: Ignore;">(b)<span style="font: 7.0pt "Times New Roman";"> </span></span></span><!--[endif]--><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></p>
</td>
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 80.16%;" valign="top" width="80%">
<p class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial; mso-bidi-language: HI;">north-south direction<o:p></o:p></span></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 6.14%;" valign="top" width="6%">
<p align="center" class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt; text-align: center;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial; mso-bidi-language: HI;"><o:p> </o:p></span></p>
</td>
</tr>
<tr style="mso-yfti-irow: 45;">
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 5.44%;" valign="top" width="5%">
<p class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 8.26%;" valign="top" width="8%">
<p class="MsoListParagraph" style="line-height: 115%; margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 32.15pt; margin-right: 0in; margin-top: 1.0pt; mso-add-space: auto; mso-list: l4 level1 lfo6; text-indent: -.25in;"><!--[if !supportLists]--><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Ebrima; mso-fareast-font-family: Ebrima;"><span style="mso-list: Ignore;">(c)<span style="font: 7.0pt "Times New Roman";"> </span></span></span><!--[endif]--><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></p>
</td>
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 80.16%;" valign="top" width="80%">
<p class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial; mso-bidi-language: HI;">west-north direction<o:p></o:p></span></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 6.14%;" valign="top" width="6%">
<p align="center" class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt; text-align: center;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial; mso-bidi-language: HI;"><o:p> </o:p></span></p>
</td>
</tr>
<tr style="mso-yfti-irow: 46;">
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 5.44%;" valign="top" width="5%">
<p class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 8.26%;" valign="top" width="8%">
<p class="MsoListParagraph" style="line-height: 115%; margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 32.15pt; margin-right: 0in; margin-top: 1.0pt; mso-add-space: auto; mso-list: l4 level1 lfo6; text-indent: -.25in;"><!--[if !supportLists]--><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Ebrima; mso-fareast-font-family: Ebrima;"><span style="mso-list: Ignore;">(d)<span style="font: 7.0pt "Times New Roman";"> </span></span></span><!--[endif]--><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></p>
</td>
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 80.16%;" valign="top" width="80%">
<p class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial; mso-bidi-language: HI;">north-east direction <o:p></o:p></span></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 6.14%;" valign="top" width="6%">
<p align="center" class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt; text-align: center;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial; mso-bidi-language: HI;"><o:p> </o:p></span></p>
</td>
</tr>
<tr style="mso-yfti-irow: 47;">
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 5.44%;" valign="top" width="5%">
<p class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 8.0%;" valign="top" width="8%">
<p class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial; mso-fareast-font-family: Calibri;">ans:</span></b><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p></o:p></span></b></p>
</td>
<td colspan="3" style="padding: 0in 5.4pt 0in 5.4pt; width: 80.42%;" valign="top" width="80%">
<p class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial; mso-fareast-font-family: Calibri;">(b)
north-south direction<o:p></o:p></span></b></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 6.14%;" valign="top" width="6%">
<p align="center" class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt; text-align: center;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial; mso-fareast-font-family: Calibri;"><o:p> </o:p></span></b></p>
</td>
</tr>
<tr style="mso-yfti-irow: 48;">
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 5.44%;" valign="top" width="5%">
<p class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 8.0%;" valign="top" width="8%">
<p class="MsoNormal" style="line-height: 115%; margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 4.5pt; margin-right: 0in; margin-top: 1.0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td colspan="3" style="padding: 0in 5.4pt 0in 5.4pt; width: 80.42%;" valign="top" width="80%">
<p align="right" class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt; text-align: right;"><i style="mso-bidi-font-style: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;">Ch 13:
Magnetism, Pg-<span style="mso-bidi-font-style: italic;">182, 178 and 181</span></span></i><span lang="EN-GB" style="color: black; font-family: Ebrima; mso-bidi-font-family: Arial; mso-themecolor: text1;"><o:p></o:p></span></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 6.14%;" valign="top" width="6%">
<p align="center" class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt; text-align: center;"><i style="mso-bidi-font-style: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></i></p>
</td>
</tr>
<tr style="mso-yfti-irow: 49;">
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 5.44%;" valign="top" width="5%">
<p class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 8.0%;" valign="top" width="8%">
<p class="MsoNormal" style="line-height: 115%; margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 4.5pt; margin-right: 0in; margin-top: 1.0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td colspan="3" style="padding: 0in 5.4pt 0in 5.4pt; width: 80.42%;" valign="top" width="80%">
<p class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt;"><span lang="EN-GB" style="color: black; font-family: Ebrima; mso-bidi-font-family: Arial; mso-themecolor: text1;"><o:p> </o:p></span></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 6.14%;" valign="top" width="6%">
<p align="center" class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt; text-align: center;"><span lang="EN-GB" style="color: black; font-family: Ebrima; mso-bidi-font-family: Arial; mso-themecolor: text1;"><o:p> </o:p></span></p>
</td>
</tr>
<tr style="mso-yfti-irow: 50;">
<td colspan="6" style="padding: 0in 5.4pt 0in 5.4pt; width: 93.86%;" valign="top" width="93%">
<p align="center" class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt; text-align: center;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="color: black; font-family: Ebrima; mso-bidi-font-family: Arial; mso-themecolor: text1;">Section B<o:p></o:p></span></b></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 6.14%;" valign="top" width="6%">
<p align="center" class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt; text-align: center;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="color: black; font-family: Ebrima; mso-bidi-font-family: Arial; mso-themecolor: text1;"><o:p> </o:p></span></b></p>
</td>
</tr>
<tr style="mso-yfti-irow: 51;">
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 4.86%;" valign="top" width="4%">
<p class="MsoListParagraph" style="line-height: 115%; margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 25.05pt; margin-right: 0in; margin-top: 1.0pt; mso-add-space: auto; mso-list: l5 level1 lfo1; text-indent: -.25in;"><!--[if !supportLists]--><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Ebrima; mso-fareast-font-family: Ebrima;"><span style="mso-list: Ignore;">6.<span style="font: 7.0pt "Times New Roman";"> </span></span></span><!--[endif]--><b><span lang="EN-GB" style="color: #4f81bd; font-family: Ebrima; mso-bidi-font-family: Arial; mso-fareast-font-family: "Times New Roman"; mso-fareast-theme-font: major-fareast; mso-themecolor: accent1;"><o:p> </o:p></span></b></p>
</td>
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 8.58%;" valign="top" width="8%">
<p style="line-height: 115%; margin-bottom: 2.0pt; margin-left: .25in; margin-right: 0in; margin-top: 2.0pt; mso-list: l13 level1 lfo11; text-indent: -.25in; vertical-align: baseline;"><!--[if !supportLists]--><span style="font-family: Ebrima; mso-ansi-language: EN-US; mso-bidi-font-family: Ebrima; mso-fareast-font-family: Ebrima;"><span style="mso-list: Ignore;">(a)<span style="font: 7.0pt "Times New Roman";">
</span></span></span><!--[endif]--><span style="font-family: Ebrima; mso-ansi-language: EN-US; mso-bidi-font-family: Arial; mso-fareast-font-family: Calibri;"><o:p> </o:p></span></p>
</td>
<td colspan="3" style="padding: 0in 5.4pt 0in 5.4pt; width: 80.42%;" valign="top" width="80%">
<p style="line-height: 115%; margin-bottom: 2.0pt; margin-left: 0in; margin-right: 0in; margin-top: 2.0pt; vertical-align: baseline;"><span style="font-family: Ebrima; mso-ansi-language: EN-US; mso-bidi-font-family: Arial; mso-fareast-font-family: Calibri;">For question number (i) and (ii), two statements are given – one
labelled Assertion (A) and the other labelled Reason (R). Select the correct
answer to these questions from the codes (a), (b), (c) and (d) as given
below:<o:p></o:p></span></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 6.14%;" valign="top" width="6%">
<p align="center" style="line-height: 115%; margin-bottom: 2.0pt; margin-left: 0in; margin-right: 0in; margin-top: 2.0pt; text-align: center; vertical-align: baseline;"><span style="font-family: Ebrima; mso-ansi-language: EN-US; mso-bidi-font-family: Arial; mso-fareast-font-family: Calibri;">1<o:p></o:p></span></p>
</td>
</tr>
<tr style="mso-yfti-irow: 52;">
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 4.86%;" valign="top" width="4%">
<p class="MsoNormal" style="line-height: 115%; margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 7.05pt; margin-right: 0in; margin-top: 1.0pt;"><b><span lang="EN-GB" style="color: #4f81bd; font-family: Ebrima; mso-bidi-font-family: Arial; mso-fareast-font-family: "Times New Roman"; mso-fareast-theme-font: major-fareast; mso-themecolor: accent1;"><o:p> </o:p></span></b></p>
</td>
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 8.58%;" valign="top" width="8%">
<p style="line-height: 115%; margin-bottom: 2.0pt; margin-left: .25in; margin-right: 0in; margin-top: 2.0pt; vertical-align: baseline;"><span style="font-family: Ebrima; mso-ansi-language: EN-US; mso-bidi-font-family: Arial; mso-fareast-font-family: Calibri;"><o:p> </o:p></span></p>
</td>
<td colspan="3" style="padding: 0in 5.4pt 0in 5.4pt; width: 80.42%;" valign="top" width="80%">
<p class="MsoListParagraphCxSpFirst" style="line-height: 115%; margin-bottom: 6.0pt; margin-left: 42.65pt; margin-right: 0in; margin-top: 0in; mso-add-space: auto; mso-list: l1 level1 lfo7; mso-text-indent-alt: -.25in; text-indent: -42.65pt;"><!--[if !supportLists]--><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Ebrima; mso-bidi-font-weight: bold; mso-fareast-font-family: Ebrima;"><span style="mso-list: Ignore;"><span style="font: 7.0pt "Times New Roman";">
</span>(I)<span style="font: 7.0pt "Times New Roman";">
</span></span></span><!--[endif]--><span lang="EN-GB" style="color: black; font-family: Ebrima; mso-bidi-font-family: Ebrima;">Both A and R are true and Ris
correct explanation of the assertion A.</span><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p></o:p></span></p>
<p class="MsoListParagraphCxSpMiddle" style="line-height: 115%; margin-bottom: 6.0pt; margin-left: 42.65pt; margin-right: 0in; margin-top: 0in; mso-add-space: auto; mso-list: l1 level1 lfo7; mso-text-indent-alt: -.25in; text-indent: -42.65pt;"><!--[if !supportLists]--><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Ebrima; mso-bidi-font-weight: bold; mso-fareast-font-family: Ebrima;"><span style="mso-list: Ignore;"><span style="font: 7.0pt "Times New Roman";">
</span>(II)<span style="font: 7.0pt "Times New Roman";">
</span></span></span><!--[endif]--><span lang="EN-GB" style="color: black; font-family: Ebrima; mso-bidi-font-family: Ebrima;">Both Aand Rare true, but Ris not the
correct explanation of the assertion A. </span><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p></o:p></span></p>
<p class="MsoListParagraphCxSpMiddle" style="line-height: 115%; margin-bottom: 6.0pt; margin-left: 42.65pt; margin-right: 0in; margin-top: 0in; mso-add-space: auto; mso-list: l1 level1 lfo7; mso-text-indent-alt: -.25in; text-indent: -42.65pt;"><!--[if !supportLists]--><span style="font-family: Ebrima; mso-ansi-language: EN-US; mso-bidi-font-family: Ebrima; mso-bidi-font-weight: bold; mso-fareast-font-family: Ebrima;"><span style="mso-list: Ignore;"><span style="font: 7.0pt "Times New Roman";">
</span>(III)<span style="font: 7.0pt "Times New Roman";">
</span></span></span><!--[endif]--><span lang="EN-GB" style="color: black; font-family: Ebrima; mso-bidi-font-family: Ebrima;">A is true but R is false.</span><span style="font-family: Ebrima; mso-ansi-language: EN-US; mso-bidi-font-family: Arial; mso-fareast-font-family: Calibri;"><o:p></o:p></span></p>
<p class="MsoListParagraphCxSpLast" style="line-height: 115%; margin-bottom: 6.0pt; margin-left: 42.65pt; margin-right: 0in; margin-top: 0in; mso-add-space: auto; mso-list: l1 level1 lfo7; mso-text-indent-alt: -.25in; text-indent: -42.65pt;"><!--[if !supportLists]--><span style="font-family: Ebrima; mso-ansi-language: EN-US; mso-bidi-font-family: Ebrima; mso-bidi-font-weight: bold; mso-fareast-font-family: Ebrima;"><span style="mso-list: Ignore;"><span style="font: 7.0pt "Times New Roman";">
</span>(IV)<span style="font: 7.0pt "Times New Roman";">
</span></span></span><!--[endif]--><span lang="EN-GB" style="color: black; font-family: Ebrima; mso-bidi-font-family: Ebrima;">Ais false but Ris true.</span><span style="font-family: Ebrima; mso-ansi-language: EN-US; mso-bidi-font-family: Arial; mso-fareast-font-family: Calibri;"><o:p></o:p></span></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 6.14%;" valign="top" width="6%">
<p align="center" style="line-height: 115%; margin-bottom: 2.0pt; margin-left: 0in; margin-right: 0in; margin-top: 2.0pt; text-align: center; vertical-align: baseline;"><span style="font-family: Ebrima; mso-ansi-language: EN-US; mso-bidi-font-family: Arial; mso-fareast-font-family: Calibri;"><o:p> </o:p></span></p>
</td>
</tr>
<tr style="mso-yfti-irow: 53;">
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 4.86%;" valign="top" width="4%">
<p align="center" class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt; text-align: center;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 8.58%;" valign="top" width="8%">
<p class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></p>
</td>
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 7.2%;" valign="top" width="7%">
<p class="MsoListParagraphCxSpFirst" style="line-height: 115%; margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 32.2pt; margin-right: 0in; margin-top: 1.0pt; mso-add-space: auto; mso-list: l7 level1 lfo10; mso-text-indent-alt: -.25in; text-indent: -32.2pt;"><!--[if !supportLists]--><span lang="EN-GB" style="color: black; font-family: Ebrima; mso-bidi-font-family: Ebrima; mso-fareast-font-family: Ebrima; mso-themecolor: text1;"><span style="mso-list: Ignore;"><span style="font: 7.0pt "Times New Roman";"> </span>(i)<span style="font: 7.0pt "Times New Roman";">
</span></span></span><!--[endif]--><span lang="EN-GB" style="color: black; font-family: Ebrima; mso-bidi-font-family: Ebrima;"><o:p> </o:p></span></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 73.22%;" valign="top" width="73%">
<p class="MsoListParagraphCxSpMiddle" style="line-height: 115%; margin-bottom: 6.0pt; margin-left: 0in; margin-right: 0in; margin-top: 0in; mso-add-space: auto;"><b><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;">Assertion</span></b><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;">:<span style="mso-spacerun: yes;"> </span></span><span lang="EN-GB" style="color: black; font-family: Ebrima; mso-bidi-font-family: Ebrima;">Connecting wire is used to
connect all components of an electric circuit. <o:p></o:p></span></p>
<p class="MsoListParagraphCxSpLast" style="line-height: 115%; margin-bottom: 6.0pt; margin-left: 0in; margin-right: 0in; margin-top: 0in; mso-add-space: auto;"><b><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;">Reason</span></b><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;">:</span><span lang="EN-GB" style="color: black; font-family: Ebrima; mso-bidi-font-family: Ebrima;">Connecting
wire is made of an electric conductor.<o:p></o:p></span></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 6.14%;" valign="top" width="6%">
<p align="center" class="MsoNormal" style="background: white; text-align: center;"><b><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
</tr>
<tr style="mso-yfti-irow: 54;">
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 4.86%;" valign="top" width="4%">
<p align="center" class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt; text-align: center;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 8.58%;" valign="top" width="8%">
<p class="MsoNormal" style="line-height: 115%; margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 14.2pt; margin-right: 0in; margin-top: 1.0pt;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></p>
</td>
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 7.2%;" valign="top" width="7%">
<p class="MsoNormal" style="background: white;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial; mso-fareast-font-family: Calibri;">ans:</span></b><b><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p></o:p></span></b></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 73.22%;" valign="top" width="73%">
<p class="MsoNormal" style="line-height: 115%; margin-bottom: 6.0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial; mso-fareast-font-family: Calibri;">(I).
Both A and R are true and Ris correct explanation of the assertion A.<o:p></o:p></span></b></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 6.14%;" valign="top" width="6%">
<p align="center" class="MsoNormal" style="background: white; text-align: center;"><b><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
</tr>
<tr style="mso-yfti-irow: 55;">
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 4.86%;" valign="top" width="4%">
<p align="center" class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt; text-align: center;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 8.58%;" valign="top" width="8%">
<p class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></p>
</td>
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 7.2%;" valign="top" width="7%">
<p class="MsoNormal" style="background: white;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial; mso-fareast-font-family: Calibri;"><o:p> </o:p></span></b></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 73.22%;" valign="top" width="73%">
<p align="right" class="MsoListParagraph" style="line-height: 115%; margin-bottom: 6.0pt; margin-left: 0in; margin-right: 0in; margin-top: 0in; mso-add-space: auto; text-align: right;"><i style="mso-bidi-font-style: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;">Ch 12:
Electricity and Circuits, Pg-170</span></i><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial; mso-fareast-font-family: Calibri;"><o:p></o:p></span></b></p>
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<td style="padding: 0in 5.4pt 0in 5.4pt; width: 6.14%;" valign="top" width="6%">
<p align="center" class="MsoNormal" style="background: white; text-align: center;"><b><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
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<td style="padding: 0in 5.4pt 0in 5.4pt; width: 4.86%;" valign="top" width="4%">
<p align="center" class="MsoNormal" style="margin-top: 1.0pt; text-align: center;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
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<p class="MsoNormal" style="margin-top: 1.0pt;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="background: white;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial; mso-fareast-font-family: Calibri;"><o:p> </o:p></span></b></p>
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<td style="padding: 0in 5.4pt 0in 5.4pt; width: 73.22%;" valign="top" width="73%">
<p align="right" class="MsoListParagraph" style="margin-bottom: 6.0pt; margin-left: 0in; margin-right: 0in; margin-top: 0in; mso-add-space: auto; text-align: right;"><i style="mso-bidi-font-style: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></i></p>
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<td style="padding: 0in 5.4pt 0in 5.4pt; width: 6.14%;" valign="top" width="6%"><a name="_GoBack"></a>
<p align="center" class="MsoNormal" style="background: white; text-align: center;"><b><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
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<td style="padding: 0in 5.4pt 0in 5.4pt; width: 4.86%;" valign="top" width="4%">
<p align="center" class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt; text-align: center;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
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<p class="MsoNormal" style="line-height: 115%; margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 14.2pt; margin-right: 0in; margin-top: 1.0pt;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></p>
</td>
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 7.2%;" valign="top" width="7%">
<p class="MsoListParagraph" style="line-height: 115%; margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 32.2pt; margin-right: 0in; margin-top: 1.0pt; mso-add-space: auto; mso-list: l7 level1 lfo10; mso-text-indent-alt: -.25in; text-indent: -32.2pt;"><!--[if !supportLists]--><span lang="EN-GB" style="color: black; font-family: Ebrima; mso-bidi-font-family: Ebrima; mso-fareast-font-family: Ebrima; mso-themecolor: text1;"><span style="mso-list: Ignore;"><span style="font: 7.0pt "Times New Roman";"> </span>(ii)<span style="font: 7.0pt "Times New Roman";">
</span></span></span><!--[endif]--><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial; mso-fareast-font-family: Calibri;"><o:p> </o:p></span></b></p>
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<td style="padding: 0in 5.4pt 0in 5.4pt; width: 73.22%;" valign="top" width="73%">
<p class="MsoNormal" style="margin-bottom: 2.0pt; margin-left: 0in; margin-right: 0in; margin-top: 2.0pt;"><b><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;">Assertion</span></b><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;">: </span><span lang="EN-GB" style="font-family: Ebrima;">Thick layer of fat is one of
adaptations of yaks. <o:p></o:p></span></p>
<p class="MsoListParagraph" style="line-height: 115%; margin-bottom: 6.0pt; margin-left: 0in; margin-right: 0in; margin-top: 0in; mso-add-space: auto;"><b><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial; mso-bidi-language: AR-SA;">Reason</span></b><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial; mso-bidi-language: AR-SA;">:<span style="mso-spacerun: yes;"> </span></span><span lang="EN-GB" style="font-family: Ebrima;">A thick layer of fat beneath their skin helps in insulation against
cold.</span><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial; mso-bidi-language: AR-SA;"><o:p></o:p></span></p>
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<td style="padding: 0in 5.4pt 0in 5.4pt; width: 6.14%;" valign="top" width="6%">
<p align="center" class="MsoNormal" style="background: white; text-align: center;"><b><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
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<td style="padding: 0in 5.4pt 0in 5.4pt; width: 4.86%;" valign="top" width="4%">
<p align="center" class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt; text-align: center;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
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<p class="MsoNormal" style="line-height: 115%; margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 14.2pt; margin-right: 0in; margin-top: 1.0pt;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></p>
</td>
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 7.2%;" valign="top" width="7%">
<p class="MsoNormal" style="background: white;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial; mso-fareast-font-family: Calibri;">ans:<o:p></o:p></span></b></p>
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<td style="padding: 0in 5.4pt 0in 5.4pt; width: 73.22%;" valign="top" width="73%">
<p class="MsoListParagraph" style="line-height: 115%; margin-bottom: 6.0pt; margin-left: 0in; margin-right: 0in; margin-top: 0in; mso-add-space: auto;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial; mso-fareast-font-family: Calibri;">(I).
Both A and R are true and Ris correct explanation of the assertion A.<o:p></o:p></span></b></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 6.14%;" valign="top" width="6%">
<p align="center" class="MsoNormal" style="background: white; text-align: center;"><b><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
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<tr style="mso-yfti-irow: 59;">
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 4.86%;" valign="top" width="4%">
<p align="center" class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt; text-align: center;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 8.58%;" valign="top" width="8%">
<p class="MsoNormal" style="line-height: 115%; margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 14.2pt; margin-right: 0in; margin-top: 1.0pt;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></p>
</td>
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 7.2%;" valign="top" width="7%">
<p class="MsoNormal" style="background: white;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial; mso-fareast-font-family: Calibri;"><o:p> </o:p></span></b></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 73.22%;" valign="top" width="73%">
<p align="right" class="MsoListParagraph" style="line-height: 115%; margin-bottom: 6.0pt; margin-left: 0in; margin-right: 0in; margin-top: 0in; mso-add-space: auto; text-align: right;"><i style="mso-bidi-font-style: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;">Ch 9:
Living Organisms And Their Surroundings- B, Pg- 130<o:p></o:p></span></i></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 6.14%;" valign="top" width="6%">
<p align="center" class="MsoNormal" style="background: white; text-align: center;"><b><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
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<tr style="mso-yfti-irow: 60;">
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 4.86%;" valign="top" width="4%">
<p align="center" class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt; text-align: center;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 8.58%;" valign="top" width="8%">
<p class="MsoNormal" style="line-height: 115%; margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 14.2pt; margin-right: 0in; margin-top: 1.0pt;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></p>
</td>
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 7.2%;" valign="top" width="7%">
<p class="MsoNormal" style="background: white;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial; mso-fareast-font-family: Calibri;"><o:p> </o:p></span></b></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 73.22%;" valign="top" width="73%">
<p align="right" class="MsoListParagraph" style="line-height: 115%; margin-bottom: 6.0pt; margin-left: 0in; margin-right: 0in; margin-top: 0in; mso-add-space: auto; text-align: right;"><i style="mso-bidi-font-style: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></i></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 6.14%;" valign="top" width="6%">
<p align="center" class="MsoNormal" style="background: white; text-align: center;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial; mso-fareast-font-family: Calibri;"><o:p> </o:p></span></b></p>
</td>
</tr>
<tr style="mso-yfti-irow: 61;">
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 4.86%;" valign="top" width="4%">
<p align="center" class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt; text-align: center;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 8.58%;" valign="top" width="8%">
<p style="line-height: 115%; margin-bottom: 2.0pt; margin-left: .25in; margin-right: 0in; margin-top: 2.0pt; mso-list: l13 level1 lfo11; text-indent: -.25in; vertical-align: baseline;"><!--[if !supportLists]--><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Ebrima; mso-fareast-font-family: Ebrima;"><span style="mso-list: Ignore;">(b)<span style="font: 7.0pt "Times New Roman";">
</span></span></span><!--[endif]--><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 7.2%;" valign="top" width="7%">
<p class="MsoListParagraph" style="line-height: 115%; margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 32.2pt; margin-right: 0in; margin-top: 1.0pt; mso-add-space: auto; mso-list: l8 level1 lfo12; mso-text-indent-alt: -.25in; text-indent: -32.2pt;"><!--[if !supportLists]--><span lang="EN-GB" style="color: black; font-family: Ebrima; mso-bidi-font-family: Ebrima; mso-bidi-font-style: italic; mso-fareast-font-family: Ebrima; mso-themecolor: text1;"><span style="mso-list: Ignore;"><span style="font: 7.0pt "Times New Roman";">
</span>(i)<span style="font: 7.0pt "Times New Roman";">
</span></span></span><!--[endif]--><i><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></i></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 73.22%;" valign="top" width="73%">
<p class="MsoNormalCxSpFirst" style="line-height: 115%; margin-top: 1.0pt; mso-add-space: auto;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial; mso-bidi-font-weight: bold;">Name the process in which an iron rod turns reddish-brown
when it is exposed to moist air for some time.</span><i><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p></o:p></span></i></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 6.14%;" valign="top" width="6%">
<p align="center" class="MsoNormalCxSpMiddle" style="line-height: 115%; margin-top: 1.0pt; mso-add-space: auto; text-align: center;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial; mso-bidi-font-weight: bold;">1</span><i><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p></o:p></span></i></p>
</td>
</tr>
<tr style="mso-yfti-irow: 62;">
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 4.86%;" valign="top" width="4%">
<p align="center" class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt; text-align: center;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 8.58%;" valign="top" width="8%">
<p class="MsoNormal" style="line-height: 115%; margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 4.5pt; margin-right: 0in; margin-top: 1.0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 7.2%;" valign="top" width="7%">
<p class="MsoNormalCxSpMiddle" style="line-height: 115%; margin-top: 1.0pt; mso-add-space: auto; text-align: justify; text-justify: inter-ideograph;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;">ans:</span></b><i><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p></o:p></span></i></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 73.22%;" valign="top" width="73%">
<p class="MsoNormalCxSpMiddle" style="line-height: 115%; margin-top: 1.0pt; mso-add-space: auto;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;">Rusting
of iron/Rusting </span></b><i><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p></o:p></span></i></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 6.14%;" valign="top" width="6%">
<p align="center" class="MsoNormalCxSpMiddle" style="line-height: 115%; margin-top: 1.0pt; mso-add-space: auto; text-align: center;"><i><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></i></p>
</td>
</tr>
<tr style="mso-yfti-irow: 63;">
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 4.86%;" valign="top" width="4%">
<p align="center" class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt; text-align: center;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 8.58%;" valign="top" width="8%">
<p class="MsoNormal" style="line-height: 115%; margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 4.5pt; margin-right: 0in; margin-top: 1.0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 7.2%;" valign="top" width="7%">
<p align="right" class="MsoNormalCxSpMiddle" style="line-height: 115%; margin-top: 1.0pt; mso-add-space: auto; text-align: right;"><i><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></i></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 73.22%;" valign="top" width="73%">
<p align="right" class="MsoNormalCxSpMiddle" style="line-height: 115%; margin-top: 1.0pt; mso-add-space: auto; text-align: right;"><i style="mso-bidi-font-style: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;">Ch
6: Changes Around Us, Pg- 65<span style="mso-bidi-font-style: italic;"><o:p></o:p></span></span></i></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 6.14%;" valign="top" width="6%">
<p align="center" class="MsoNormalCxSpMiddle" style="line-height: 115%; margin-top: 1.0pt; mso-add-space: auto; text-align: center;"><i><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></i></p>
</td>
</tr>
<tr style="mso-yfti-irow: 64;">
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 4.86%;" valign="top" width="4%">
<p align="center" class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt; text-align: center;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 8.58%;" valign="top" width="8%">
<p class="MsoNormal" style="line-height: 115%; margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 4.5pt; margin-right: 0in; margin-top: 1.0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 7.2%;" valign="top" width="7%">
<p align="right" class="MsoNormalCxSpMiddle" style="line-height: 115%; margin-top: 1.0pt; mso-add-space: auto; text-align: right;"><i><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></i></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 73.22%;" valign="top" width="73%">
<p align="right" class="MsoNormalCxSpMiddle" style="line-height: 115%; margin-top: 1.0pt; mso-add-space: auto; text-align: right;"><i><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></i></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 6.14%;" valign="top" width="6%">
<p align="center" class="MsoNormalCxSpMiddle" style="line-height: 115%; margin-top: 1.0pt; mso-add-space: auto; text-align: center;"><i><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></i></p>
</td>
</tr>
<tr style="mso-yfti-irow: 65;">
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 4.86%;" valign="top" width="4%">
<p align="center" class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt; text-align: center;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 8.58%;" valign="top" width="8%">
<p class="MsoNormal" style="line-height: 115%; margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 4.5pt; margin-right: 0in; margin-top: 1.0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 7.2%;" valign="top" width="7%">
<p class="MsoListParagraph" style="line-height: 115%; margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 32.2pt; margin-right: 0in; margin-top: 1.0pt; mso-add-space: auto; mso-list: l8 level1 lfo12; mso-text-indent-alt: -.25in; text-indent: -32.2pt;"><!--[if !supportLists]--><span lang="EN-GB" style="color: black; font-family: Ebrima; mso-bidi-font-family: Ebrima; mso-bidi-font-style: italic; mso-fareast-font-family: Ebrima; mso-themecolor: text1;"><span style="mso-list: Ignore;"><span style="font: 7.0pt "Times New Roman";">
</span>(ii)<span style="font: 7.0pt "Times New Roman";">
</span></span></span><!--[endif]--><i><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></i></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 73.22%;" valign="top" width="73%">
<p class="MsoNormalCxSpFirst" style="line-height: 115%; margin-top: 1.0pt; mso-add-space: auto;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial; mso-bidi-font-weight: bold;">Name the filament used in a bulb to give out
light.</span><i><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p></o:p></span></i></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 6.14%;" valign="top" width="6%">
<p align="center" class="MsoNormalCxSpMiddle" style="line-height: 115%; margin-top: 1.0pt; mso-add-space: auto; text-align: center;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial; mso-bidi-font-weight: bold;">1</span><i><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p></o:p></span></i></p>
</td>
</tr>
<tr style="mso-yfti-irow: 66;">
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 4.86%;" valign="top" width="4%">
<p align="center" class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt; text-align: center;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 8.58%;" valign="top" width="8%">
<p class="MsoNormal" style="line-height: 115%; margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 4.5pt; margin-right: 0in; margin-top: 1.0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 7.2%;" valign="top" width="7%">
<p align="right" class="MsoNormalCxSpMiddle" style="line-height: 115%; margin-top: 1.0pt; mso-add-space: auto; text-align: right;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial; mso-fareast-font-family: Calibri;">ans:</span></b><i><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p></o:p></span></i></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 73.22%;" valign="top" width="73%">
<p class="MsoNormalCxSpMiddle" style="line-height: 115%; margin-top: 1.0pt; mso-add-space: auto;"><b><span style="color: #000099; font-family: Ebrima; mso-ansi-language: EN-US; mso-bidi-font-family: Arial; mso-fareast-font-family: Calibri;">Tungsten</span></b><i><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p></o:p></span></i></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 6.14%;" valign="top" width="6%">
<p align="center" class="MsoNormalCxSpMiddle" style="line-height: 115%; margin-top: 1.0pt; mso-add-space: auto; text-align: center;"><i><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></i></p>
</td>
</tr>
<tr style="mso-yfti-irow: 67;">
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 4.86%;" valign="top" width="4%">
<p align="center" class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt; text-align: center;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 8.58%;" valign="top" width="8%">
<p class="MsoNormal" style="line-height: 115%; margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 4.5pt; margin-right: 0in; margin-top: 1.0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 7.2%;" valign="top" width="7%">
<p align="right" class="MsoNormalCxSpMiddle" style="line-height: 115%; margin-top: 1.0pt; mso-add-space: auto; text-align: right;"><i><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></i></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 73.22%;" valign="top" width="73%">
<p align="right" class="MsoNormalCxSpMiddle" style="line-height: 115%; margin-top: 1.0pt; mso-add-space: auto; text-align: right;"><i style="mso-bidi-font-style: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;">Ch
12: Electricity and Circuits, Pg-165<span style="mso-bidi-font-style: italic;"><o:p></o:p></span></span></i></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 6.14%;" valign="top" width="6%">
<p align="center" class="MsoNormalCxSpMiddle" style="line-height: 115%; margin-top: 1.0pt; mso-add-space: auto; text-align: center;"><i><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></i></p>
</td>
</tr>
<tr style="mso-yfti-irow: 68;">
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 4.86%;" valign="top" width="4%">
<p align="center" class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt; text-align: center;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 8.58%;" valign="top" width="8%">
<p class="MsoNormal" style="line-height: 115%; margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 4.5pt; margin-right: 0in; margin-top: 1.0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 7.2%;" valign="top" width="7%">
<p align="right" class="MsoNormalCxSpMiddle" style="line-height: 115%; margin-top: 1.0pt; mso-add-space: auto; text-align: right;"><i><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></i></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 73.22%;" valign="top" width="73%">
<p align="right" class="MsoNormalCxSpMiddle" style="line-height: 115%; margin-top: 1.0pt; mso-add-space: auto; text-align: right;"><i style="mso-bidi-font-style: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></i></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 6.14%;" valign="top" width="6%">
<p align="center" class="MsoNormalCxSpMiddle" style="line-height: 115%; margin-top: 1.0pt; mso-add-space: auto; text-align: center;"><i><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></i></p>
</td>
</tr>
<tr style="mso-yfti-irow: 69;">
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 4.86%;" valign="top" width="4%">
<p align="center" class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt; text-align: center;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 8.58%;" valign="top" width="8%">
<p class="MsoNormal" style="line-height: 115%; margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 4.5pt; margin-right: 0in; margin-top: 1.0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 7.2%;" valign="top" width="7%">
<p class="MsoListParagraph" style="line-height: 115%; margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 32.2pt; margin-right: 0in; margin-top: 1.0pt; mso-add-space: auto; mso-list: l8 level1 lfo12; mso-text-indent-alt: -.25in; text-indent: -32.2pt;"><!--[if !supportLists]--><span lang="EN-GB" style="color: black; font-family: Ebrima; mso-bidi-font-family: Ebrima; mso-bidi-font-style: italic; mso-fareast-font-family: Ebrima; mso-themecolor: text1;"><span style="mso-list: Ignore;"><span style="font: 7.0pt "Times New Roman";">
</span>(iii)<span style="font: 7.0pt "Times New Roman";">
</span></span></span><!--[endif]--><i><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></i></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 73.22%;" valign="top" width="73%">
<p class="MsoNormalCxSpFirst" style="line-height: 115%; margin-top: 1.0pt; mso-add-space: auto;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;">Where is the maximum strength of a magnet located?<i style="mso-bidi-font-style: normal;"><span style="color: #000099;"><o:p></o:p></span></i></span></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 6.14%;" valign="top" width="6%">
<p align="center" class="MsoNormalCxSpMiddle" style="line-height: 115%; margin-top: 1.0pt; mso-add-space: auto; text-align: center;"><i><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></i></p>
</td>
</tr>
<tr style="mso-yfti-irow: 70;">
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 4.86%;" valign="top" width="4%">
<p align="center" class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt; text-align: center;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 8.58%;" valign="top" width="8%">
<p class="MsoNormal" style="line-height: 115%; margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 4.5pt; margin-right: 0in; margin-top: 1.0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 7.2%;" valign="top" width="7%">
<p class="MsoNormalCxSpMiddle" style="line-height: 115%; margin-top: 1.0pt; mso-add-space: auto;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial; mso-fareast-font-family: Calibri;">ans:</span></b><i><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p></o:p></span></i></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 73.22%;" valign="top" width="73%">
<p class="MsoNormalCxSpMiddle" style="line-height: 115%; margin-top: 1.0pt; mso-add-space: auto;"><b><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;">The maximum strength of a magnet is locatedat its ends.<o:p></o:p></span></b></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 6.14%;" valign="top" width="6%">
<p align="center" class="MsoNormalCxSpMiddle" style="line-height: 115%; margin-top: 1.0pt; mso-add-space: auto; text-align: center;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;">1<i><span style="color: #000099;"><o:p></o:p></span></i></span></p>
</td>
</tr>
<tr style="mso-yfti-irow: 71;">
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 4.86%;" valign="top" width="4%">
<p align="center" class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt; text-align: center;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 8.58%;" valign="top" width="8%">
<p class="MsoNormal" style="line-height: 115%; margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 4.5pt; margin-right: 0in; margin-top: 1.0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 7.2%;" valign="top" width="7%">
<p align="right" class="MsoNormalCxSpMiddle" style="line-height: 115%; margin-top: 1.0pt; mso-add-space: auto; text-align: right;"><i><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></i></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 73.22%;" valign="top" width="73%">
<p align="right" class="MsoNormalCxSpMiddle" style="line-height: 115%; margin-top: 1.0pt; mso-add-space: auto; text-align: right;"><i style="mso-bidi-font-style: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;">Ch
9: Living Organisms And Their Surroundings- B, Pg- 129<o:p></o:p></span></i></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 6.14%;" valign="top" width="6%">
<p align="center" class="MsoNormalCxSpMiddle" style="line-height: 115%; margin-top: 1.0pt; mso-add-space: auto; text-align: center;"><i><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></i></p>
</td>
</tr>
<tr style="mso-yfti-irow: 72;">
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 4.86%;" valign="top" width="4%">
<p align="center" class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt; text-align: center;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 8.58%;" valign="top" width="8%">
<p class="MsoNormal" style="line-height: 115%; margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 4.5pt; margin-right: 0in; margin-top: 1.0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td colspan="3" style="padding: 0in 5.4pt 0in 5.4pt; width: 80.42%;" valign="top" width="80%">
<p class="MsoNormalCxSpMiddle" style="line-height: 115%; margin-top: 1.0pt; mso-add-space: auto;"><span lang="EN-GB" style="color: black; font-family: Ebrima; mso-bidi-font-family: Arial; mso-themecolor: text1;"><o:p> </o:p></span></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 6.14%;" valign="top" width="6%">
<p align="center" class="MsoNormalCxSpMiddle" style="line-height: 115%; margin-top: 1.0pt; mso-add-space: auto; text-align: center;"><span lang="EN-GB" style="color: black; font-family: Ebrima; mso-bidi-font-family: Arial; mso-themecolor: text1;"><o:p> </o:p></span></p>
</td>
</tr>
<tr style="mso-yfti-irow: 73;">
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 4.86%;" valign="top" width="4%">
<p class="MsoListParagraph" style="line-height: 115%; margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 25.05pt; margin-right: 0in; margin-top: 1.0pt; mso-add-space: auto; mso-list: l5 level1 lfo1; text-indent: -.25in;"><!--[if !supportLists]--><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Ebrima; mso-fareast-font-family: Ebrima;"><span style="mso-list: Ignore;">7.<span style="font: 7.0pt "Times New Roman";"> </span></span></span><!--[endif]--><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td colspan="5" style="padding: 0in 5.4pt 0in 5.4pt; width: 88.98%;" valign="top" width="88%">
<p class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial; mso-bidi-font-weight: bold;">Draw a neat labelled diagram to show a closed electric circuit.<o:p></o:p></span></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 6.14%;" valign="top" width="6%">
<p align="center" class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt; text-align: center;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial; mso-bidi-font-weight: bold;">2<o:p></o:p></span></p>
</td>
</tr>
<tr style="mso-yfti-irow: 74;">
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 4.86%;" valign="top" width="4%">
<p align="center" class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt; text-align: center;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 8.58%;" valign="top" width="8%">
<p class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;">ans:<o:p></o:p></span></b></p>
</td>
<td colspan="3" style="padding: 0in 5.4pt 0in 5.4pt; width: 80.42%;" valign="top" width="80%">
<p align="center" class="MsoNormal" style="line-height: 115%; margin-bottom: .0001pt; margin-bottom: 0in; margin-left: .5in; margin-right: 0in; margin-top: 1.0pt; text-align: center; text-indent: -.5in;"><i style="mso-bidi-font-style: normal;"><span style="color: #000099; font-family: Ebrima; mso-ansi-language: EN-US; mso-bidi-font-family: Arial; mso-no-proof: yes;"><v:shapetype coordsize="21600,21600" filled="f" id="_x0000_t75" o:preferrelative="t" o:spt="75" path="m@4@5l@4@11@9@11@9@5xe" stroked="f">
<v:stroke joinstyle="miter">
<v:formulas>
<v:f eqn="if lineDrawn pixelLineWidth 0">
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<v:f eqn="sum 0 0 @1">
<v:f eqn="prod @2 1 2">
<v:f eqn="prod @3 21600 pixelWidth">
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<v:f eqn="sum @0 0 1">
<v:f eqn="prod @6 1 2">
<v:f eqn="prod @7 21600 pixelWidth">
<v:f eqn="sum @8 21600 0">
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<v:f eqn="sum @10 21600 0">
</v:f></v:f></v:f></v:f></v:f></v:f></v:f></v:f></v:f></v:f></v:f></v:f></v:formulas>
<v:path gradientshapeok="t" o:connecttype="rect" o:extrusionok="f">
<o:lock aspectratio="t" v:ext="edit">
</o:lock></v:path></v:stroke></v:shapetype><v:shape id="Picture_x0020_1" o:spid="_x0000_i1025" style="height: 166.5pt; mso-wrap-style: square; visibility: visible; width: 155.25pt;" type="#_x0000_t75">
<v:imagedata o:title="" src="file:///C:\Users\class418\AppData\Local\Temp\msohtmlclip1\01\clip_image001.png">
</v:imagedata></v:shape></span></i><i><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p></o:p></span></i></p>
<p align="right" class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt; text-align: right;"><i><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;">Allot 1 mark to draw the components in proper order and
1 mark to show the arrows. <o:p></o:p></span></i></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 6.14%;" valign="top" width="6%">
<p align="center" class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt; text-align: center;"><b><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
</tr>
<tr style="mso-yfti-irow: 75;">
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 4.86%;" valign="top" width="4%">
<p align="center" class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt; text-align: center;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 8.58%;" valign="top" width="8%">
<p class="MsoNormal" style="line-height: 115%; margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 4.5pt; margin-right: 0in; margin-top: 1.0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td colspan="3" style="padding: 0in 5.4pt 0in 5.4pt; width: 80.42%;" valign="top" width="80%">
<p align="right" class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt; text-align: right;"><i style="mso-bidi-font-style: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;">Ch 12:
Electricity and Circuits, Pg-169</span></i><b><span lang="EN-GB" style="color: red; font-family: Ebrima; mso-bidi-font-family: Arial; mso-bidi-font-style: italic;"><o:p></o:p></span></b></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 6.14%;" valign="top" width="6%">
<p align="center" class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt; text-align: center;"><i style="mso-bidi-font-style: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></i></p>
</td>
</tr>
<tr style="mso-yfti-irow: 76;">
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 4.86%;" valign="top" width="4%">
<p align="center" class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt; text-align: center;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 8.58%;" valign="top" width="8%">
<p class="MsoNormal" style="line-height: 115%; margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 4.5pt; margin-right: 0in; margin-top: 1.0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td colspan="3" style="padding: 0in 5.4pt 0in 5.4pt; width: 80.42%;" valign="top" width="80%">
<p class="MsoNormalCxSpMiddle" style="line-height: 115%; margin-top: 1.0pt; mso-add-space: auto;"><span lang="EN-GB" style="color: black; font-family: Ebrima; mso-bidi-font-family: Arial; mso-themecolor: text1;"><o:p> </o:p></span></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 6.14%;" valign="top" width="6%">
<p align="center" class="MsoNormalCxSpMiddle" style="line-height: 115%; margin-top: 1.0pt; mso-add-space: auto; text-align: center;"><span lang="EN-GB" style="color: black; font-family: Ebrima; mso-bidi-font-family: Arial; mso-themecolor: text1;"><o:p> </o:p></span></p>
</td>
</tr>
<tr style="mso-yfti-irow: 77;">
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 4.86%;" valign="top" width="4%">
<p class="MsoListParagraph" style="line-height: 115%; margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 25.05pt; margin-right: 0in; margin-top: 1.0pt; mso-add-space: auto; mso-list: l5 level1 lfo1; text-indent: -.25in;"><!--[if !supportLists]--><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Ebrima; mso-fareast-font-family: Ebrima;"><span style="mso-list: Ignore;">8.<span style="font: 7.0pt "Times New Roman";"> </span></span></span><!--[endif]--><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td colspan="5" style="padding: 0in 5.4pt 0in 5.4pt; width: 88.98%;" valign="top" width="88%">
<p class="MsoNormalCxSpFirst" style="line-height: 115%; margin-top: 1.0pt; mso-add-space: auto;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;">State any three characteristics of a desert plant.<o:p></o:p></span></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 6.14%;" valign="top" width="6%">
<p align="center" class="MsoNormalCxSpMiddle" style="line-height: 115%; margin-top: 1.0pt; mso-add-space: auto; text-align: center;"><span style="color: black; font-family: Ebrima; mso-ansi-language: EN-US; mso-bidi-font-family: Arial;">3</span><span lang="EN-GB" style="color: black; font-family: Ebrima; mso-bidi-font-family: Arial; mso-themecolor: text1;"><o:p></o:p></span></p>
</td>
</tr>
<tr style="mso-yfti-irow: 78;">
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 4.86%;" valign="top" width="4%">
<p align="center" class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt; text-align: center;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 8.58%;" valign="top" width="8%">
<p class="MsoNormal" style="line-height: 115%; margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 4.5pt; margin-right: 0in; margin-top: 1.0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;">ans:<o:p></o:p></span></b></p>
</td>
<td colspan="3" style="padding: 0in 5.4pt 0in 5.4pt; width: 80.42%;" valign="top" width="80%">
<p class="MsoListParagraphCxSpFirst" style="line-height: 115%; margin-top: 1.0pt; mso-add-space: auto; mso-list: l6 level1 lfo13; text-indent: -.25in;"><!--[if !supportLists]--><span lang="EN-GB" style="color: #000099; font-family: Symbol; mso-bidi-font-family: Symbol; mso-bidi-language: AR-SA; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font: 7.0pt "Times New Roman";">
</span></span></span><!--[endif]--><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;">The
leaves in these plants are modified into long slender spines to prevent loss
of water.</span></b><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial; mso-bidi-language: AR-SA;"><o:p></o:p></span></b></p>
<p class="MsoListParagraphCxSpMiddle" style="line-height: 115%; margin-top: 1.0pt; mso-add-space: auto; mso-list: l6 level1 lfo13; text-indent: -.25in;"><!--[if !supportLists]--><span lang="EN-GB" style="color: #000099; font-family: Symbol; mso-bidi-font-family: Symbol; mso-bidi-language: AR-SA; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font: 7.0pt "Times New Roman";">
</span></span></span><!--[endif]--><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;">Leaves
are covered with dense hair for protection.</span></b><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial; mso-bidi-language: AR-SA;"><o:p></o:p></span></b></p>
<p class="MsoListParagraphCxSpMiddle" style="line-height: 115%; margin-top: 1.0pt; mso-add-space: auto; mso-list: l6 level1 lfo13; text-indent: -.25in;"><!--[if !supportLists]--><span lang="EN-GB" style="color: #000099; font-family: Symbol; mso-bidi-font-family: Symbol; mso-bidi-language: AR-SA; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font: 7.0pt "Times New Roman";">
</span></span></span><!--[endif]--><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;">The
stem is also covered with a thick waxy layer which helps to retain water.</span></b><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial; mso-bidi-language: AR-SA;"><o:p></o:p></span></b></p>
<p class="MsoListParagraphCxSpMiddle" style="line-height: 115%; margin-top: 1.0pt; mso-add-space: auto; mso-list: l6 level1 lfo13; text-indent: -.25in;"><!--[if !supportLists]--><span lang="EN-GB" style="color: #000099; font-family: Symbol; mso-bidi-font-family: Symbol; mso-bidi-language: AR-SA; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font: 7.0pt "Times New Roman";">
</span></span></span><!--[endif]--><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;">Desert
plants have an extensive root system</span></b><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial; mso-bidi-language: AR-SA;"><o:p></o:p></span></b></p>
<p class="MsoListParagraphCxSpMiddle" style="line-height: 115%; margin-top: 1.0pt; mso-add-space: auto; mso-list: l6 level1 lfo13; text-indent: -.25in;"><!--[if !supportLists]--><span lang="EN-GB" style="color: #000099; font-family: Symbol; mso-bidi-font-family: Symbol; mso-bidi-language: AR-SA; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font: 7.0pt "Times New Roman";">
</span></span></span><!--[endif]--><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;">They
have drought-resistant seeds to overcome dry periods</span></b><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial; mso-bidi-language: AR-SA;"><o:p></o:p></span></b></p>
<p class="MsoListParagraphCxSpLast" style="line-height: 115%; margin-top: 1.0pt; mso-add-space: auto;"><i><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial; mso-bidi-font-weight: bold;">(accept any three)<o:p></o:p></span></i></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 6.14%;" valign="top" width="6%">
<p align="center" class="MsoNormalCxSpFirst" style="line-height: 115%; margin-top: 1.0pt; mso-add-space: auto; text-align: center;"><span lang="EN-GB" style="color: black; font-family: Ebrima; mso-bidi-font-family: Arial; mso-themecolor: text1;"><o:p> </o:p></span></p>
</td>
</tr>
<tr style="mso-yfti-irow: 79;">
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 4.86%;" valign="top" width="4%">
<p align="center" class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt; text-align: center;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 8.58%;" valign="top" width="8%">
<p class="MsoNormal" style="line-height: 115%; margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 4.5pt; margin-right: 0in; margin-top: 1.0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td colspan="3" style="padding: 0in 5.4pt 0in 5.4pt; width: 80.42%;" valign="top" width="80%">
<p align="right" class="MsoNormalCxSpMiddle" style="line-height: 115%; margin-top: 1.0pt; mso-add-space: auto; text-align: right;"><i style="mso-bidi-font-style: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;">Ch
9: Living Organisms And Their Surroundings- B, Pg- 128</span></i><span lang="EN-GB" style="color: black; font-family: Ebrima; mso-bidi-font-family: Arial; mso-themecolor: text1;"><o:p></o:p></span></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 6.14%;" valign="top" width="6%">
<p align="center" class="MsoNormalCxSpMiddle" style="line-height: 115%; margin-top: 1.0pt; mso-add-space: auto; text-align: center;"><span lang="EN-GB" style="color: black; font-family: Ebrima; mso-bidi-font-family: Arial; mso-themecolor: text1;"><o:p> </o:p></span></p>
</td>
</tr>
<tr style="mso-yfti-irow: 80;">
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 4.86%;" valign="top" width="4%">
<p align="center" class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt; text-align: center;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 8.58%;" valign="top" width="8%">
<p class="MsoNormal" style="line-height: 115%; margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 4.5pt; margin-right: 0in; margin-top: 1.0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td colspan="3" style="padding: 0in 5.4pt 0in 5.4pt; width: 80.42%;" valign="top" width="80%">
<p class="MsoNormalCxSpMiddle" style="line-height: 115%; margin-top: 1.0pt; mso-add-space: auto;"><span lang="EN-GB" style="color: black; font-family: Ebrima; mso-bidi-font-family: Arial; mso-themecolor: text1;"><o:p> </o:p></span></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 6.14%;" valign="top" width="6%">
<p align="center" class="MsoNormalCxSpMiddle" style="line-height: 115%; margin-top: 1.0pt; mso-add-space: auto; text-align: center;"><span lang="EN-GB" style="color: black; font-family: Ebrima; mso-bidi-font-family: Arial; mso-themecolor: text1;"><o:p> </o:p></span></p>
</td>
</tr>
<tr style="mso-yfti-irow: 81;">
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 4.86%;" valign="top" width="4%">
<p class="MsoListParagraph" style="line-height: 115%; margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 25.05pt; margin-right: 0in; margin-top: 1.0pt; mso-add-space: auto; mso-list: l5 level1 lfo1; text-indent: -.25in;"><!--[if !supportLists]--><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Ebrima; mso-fareast-font-family: Ebrima;"><span style="mso-list: Ignore;">9.<span style="font: 7.0pt "Times New Roman";"> </span></span></span><!--[endif]--><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td colspan="5" style="padding: 0in 5.4pt 0in 5.4pt; width: 88.98%;" valign="top" width="88%">
<p class="MsoNormalCxSpFirst" style="line-height: 115%; margin-top: 1.0pt; mso-add-space: auto;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;">Answer the following questions:<span style="color: black; mso-themecolor: text1;"><o:p></o:p></span></span></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 6.14%;" valign="top" width="6%">
<p align="center" class="MsoNormalCxSpMiddle" style="line-height: 115%; margin-top: 1.0pt; mso-add-space: auto; text-align: center;"><span lang="EN-GB" style="color: black; font-family: Ebrima; mso-bidi-font-family: Arial; mso-themecolor: text1;">5<o:p></o:p></span></p>
</td>
</tr>
<tr style="mso-yfti-irow: 82;">
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 4.86%;" valign="top" width="4%">
<p align="center" class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt; text-align: center;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 8.58%;" valign="top" width="8%">
<p class="MsoListParagraph" style="background: white; line-height: 115%; margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 31.5pt; margin-right: 0in; margin-top: 1.0pt; mso-add-space: auto; mso-list: l2 level1 lfo2; mso-text-indent-alt: -.25in; text-indent: -31.5pt;"><!--[if !supportLists]--><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Ebrima; mso-bidi-font-weight: bold; mso-fareast-font-family: Ebrima;"><span style="mso-list: Ignore;"><span style="font: 7.0pt "Times New Roman";">
</span>(a)<span style="font: 7.0pt "Times New Roman";">
</span></span></span><!--[endif]--><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td colspan="3" style="padding: 0in 5.4pt 0in 5.4pt; width: 80.42%;" valign="top" width="80%">
<p class="MsoNormalCxSpFirst" style="line-height: 115%; margin-top: 1.0pt; mso-add-space: auto;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial; mso-fareast-language: EN-GB; mso-no-proof: yes;">Define atmosphere.</span><span lang="EN-GB" style="color: black; font-family: Ebrima; mso-bidi-font-family: Arial; mso-themecolor: text1;"><o:p></o:p></span></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 6.14%;" valign="top" width="6%">
<p align="center" class="MsoNormalCxSpMiddle" style="line-height: 115%; margin-top: 1.0pt; mso-add-space: auto; text-align: center;"><span lang="EN-GB" style="color: black; font-family: Ebrima; mso-bidi-font-family: Arial; mso-themecolor: text1;"><o:p> </o:p></span></p>
</td>
</tr>
<tr style="mso-yfti-irow: 83;">
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 4.86%;" valign="top" width="4%">
<p align="center" class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt; text-align: center;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 8.58%;" valign="top" width="8%">
<p class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;">ans:<o:p></o:p></span></b></p>
</td>
<td colspan="3" style="padding: 0in 5.4pt 0in 5.4pt; width: 80.42%;" valign="top" width="80%">
<p class="MsoNormalCxSpMiddle" style="line-height: 115%; margin-top: 1.0pt; mso-add-space: auto;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;">The
envelope of air surrounding the earth is called atmosphere.<o:p></o:p></span></b></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 6.14%;" valign="top" width="6%">
<p align="center" class="MsoNormalCxSpMiddle" style="line-height: 115%; margin-top: 1.0pt; mso-add-space: auto; text-align: center;"><span lang="EN-GB" style="color: black; font-family: Ebrima; mso-bidi-font-family: Arial; mso-themecolor: text1;"><o:p> </o:p></span></p>
</td>
</tr>
<tr style="mso-yfti-irow: 84;">
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 4.86%;" valign="top" width="4%">
<p align="center" class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt; text-align: center;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 8.58%;" valign="top" width="8%">
<p class="MsoNormal" style="line-height: 115%; margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 4.5pt; margin-right: 0in; margin-top: 1.0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td colspan="3" style="padding: 0in 5.4pt 0in 5.4pt; width: 80.42%;" valign="top" width="80%">
<p class="MsoNormalCxSpMiddle" style="line-height: 115%; margin-top: 1.0pt; mso-add-space: auto;"><span lang="EN-GB" style="color: black; font-family: Ebrima; mso-bidi-font-family: Arial; mso-themecolor: text1;"><o:p> </o:p></span></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 6.14%;" valign="top" width="6%">
<p align="center" class="MsoNormalCxSpMiddle" style="line-height: 115%; margin-top: 1.0pt; mso-add-space: auto; text-align: center;"><span lang="EN-GB" style="color: black; font-family: Ebrima; mso-bidi-font-family: Arial; mso-themecolor: text1;"><o:p> </o:p></span></p>
</td>
</tr>
<tr style="mso-yfti-irow: 85;">
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 4.86%;" valign="top" width="4%">
<p align="center" class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt; text-align: center;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 8.58%;" valign="top" width="8%">
<p class="MsoListParagraph" style="background: white; line-height: 115%; margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 31.5pt; margin-right: 0in; margin-top: 1.0pt; mso-add-space: auto; mso-list: l2 level1 lfo2; mso-text-indent-alt: -.25in; text-indent: -31.5pt;"><!--[if !supportLists]--><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Ebrima; mso-bidi-font-weight: bold; mso-fareast-font-family: Ebrima;"><span style="mso-list: Ignore;"><span style="font: 7.0pt "Times New Roman";">
</span>(b)<span style="font: 7.0pt "Times New Roman";">
</span></span></span><!--[endif]--><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td colspan="3" style="padding: 0in 5.4pt 0in 5.4pt; width: 80.42%;" valign="top" width="80%">
<p class="MsoNormalCxSpFirst" style="line-height: 115%; margin-top: 1.0pt; mso-add-space: auto;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial; mso-fareast-language: EN-GB; mso-no-proof: yes;">How do plants and animals
help each other in the exchange of gases in the atmosphere?<o:p></o:p></span></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 6.14%;" valign="top" width="6%">
<p align="center" class="MsoNormalCxSpMiddle" style="line-height: 115%; margin-top: 1.0pt; mso-add-space: auto; text-align: center;"><span lang="EN-GB" style="color: black; font-family: Ebrima; mso-bidi-font-family: Arial; mso-themecolor: text1;"><o:p> </o:p></span></p>
</td>
</tr>
<tr style="mso-yfti-irow: 86;">
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 4.86%;" valign="top" width="4%">
<p align="center" class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt; text-align: center;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 8.58%;" valign="top" width="8%">
<p class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;">ans:<o:p></o:p></span></b></p>
</td>
<td colspan="3" style="padding: 0in 5.4pt 0in 5.4pt; width: 80.42%;" valign="top" width="80%">
<p class="MsoListParagraphCxSpFirst" style="line-height: 115%; margin-bottom: .0001pt; margin-bottom: 0in; margin-left: .25in; margin-right: 0in; margin-top: 1.0pt; mso-add-space: auto; mso-list: l9 level1 lfo8; text-indent: -.25in;"><!--[if !supportLists]--><span lang="EN-GB" style="color: #000099; font-family: Symbol; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font: 7.0pt "Times New Roman";">
</span></span></span><!--[endif]--><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;">Plants
take in carbon dioxide to prepare food and release oxygen during
daytime.<span style="mso-spacerun: yes;">
</span>1 mark<o:p></o:p></span></b></p>
<p class="MsoListParagraphCxSpMiddle" style="line-height: 115%; margin-bottom: .0001pt; margin-bottom: 0in; margin-left: .25in; margin-right: 0in; margin-top: 1.0pt; mso-add-space: auto; mso-list: l9 level1 lfo8; text-indent: -.25in;"><!--[if !supportLists]--><span lang="EN-GB" style="color: #000099; font-family: Symbol; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font: 7.0pt "Times New Roman";">
</span></span></span><!--[endif]--><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;">This
oxygen is taken in by animals and carbon dioxide is released.<span style="mso-spacerun: yes;">
</span>1 mark<o:p></o:p></span></b></p>
<p class="MsoListParagraphCxSpLast" style="line-height: 115%; margin-bottom: .0001pt; margin-bottom: 0in; margin-left: .25in; margin-right: 0in; margin-top: 1.0pt; mso-add-space: auto; mso-list: l9 level1 lfo8; text-indent: -.25in;"><!--[if !supportLists]--><span lang="EN-GB" style="color: #000099; font-family: Symbol; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font: 7.0pt "Times New Roman";">
</span></span></span><!--[endif]--><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;">Thus,
plants and animals help each other in the exchange of gases in the
atmosphere.<o:p></o:p></span></b></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 6.14%;" valign="top" width="6%">
<p align="center" class="MsoNormalCxSpFirst" style="line-height: 115%; margin-top: 1.0pt; mso-add-space: auto; text-align: center;"><span lang="EN-GB" style="color: black; font-family: Ebrima; mso-bidi-font-family: Arial; mso-themecolor: text1;"><o:p> </o:p></span></p>
</td>
</tr>
<tr style="mso-yfti-irow: 87;">
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 4.86%;" valign="top" width="4%">
<p align="center" class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt; text-align: center;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 8.58%;" valign="top" width="8%">
<p class="MsoNormal" style="line-height: 115%; margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 4.5pt; margin-right: 0in; margin-top: 1.0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td colspan="3" style="padding: 0in 5.4pt 0in 5.4pt; width: 80.42%;" valign="top" width="80%">
<p class="MsoNormalCxSpMiddle" style="line-height: 115%; margin-top: 1.0pt; mso-add-space: auto;"><span lang="EN-GB" style="color: black; font-family: Ebrima; mso-bidi-font-family: Arial; mso-themecolor: text1;"><o:p> </o:p></span></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 6.14%;" valign="top" width="6%">
<p align="center" class="MsoNormalCxSpMiddle" style="line-height: 115%; margin-top: 1.0pt; mso-add-space: auto; text-align: center;"><span lang="EN-GB" style="color: black; font-family: Ebrima; mso-bidi-font-family: Arial; mso-themecolor: text1;"><o:p> </o:p></span></p>
</td>
</tr>
<tr style="mso-yfti-irow: 88;">
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 4.86%;" valign="top" width="4%">
<p align="center" class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt; text-align: center;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 8.58%;" valign="top" width="8%">
<p class="MsoListParagraph" style="background: white; line-height: 115%; margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 31.5pt; margin-right: 0in; margin-top: 1.0pt; mso-add-space: auto; mso-list: l2 level1 lfo2; mso-text-indent-alt: -.25in; text-indent: -31.5pt;"><!--[if !supportLists]--><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Ebrima; mso-bidi-font-weight: bold; mso-fareast-font-family: Ebrima;"><span style="mso-list: Ignore;"><span style="font: 7.0pt "Times New Roman";">
</span>(c)<span style="font: 7.0pt "Times New Roman";">
</span></span></span><!--[endif]--><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td colspan="3" style="padding: 0in 5.4pt 0in 5.4pt; width: 80.42%;" valign="top" width="80%">
<p class="MsoNormalCxSpFirst" style="line-height: 115%; margin-top: 1.0pt; mso-add-space: auto;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial; mso-fareast-language: EN-GB; mso-no-proof: yes;">Which gas is most abundant
in the atmosphere and important for growth of plants and animals?</span><span lang="EN-GB" style="color: black; font-family: Ebrima; mso-bidi-font-family: Arial; mso-themecolor: text1;"><o:p></o:p></span></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 6.14%;" valign="top" width="6%">
<p align="center" class="MsoNormalCxSpMiddle" style="line-height: 115%; margin-top: 1.0pt; mso-add-space: auto; text-align: center;"><span lang="EN-GB" style="color: black; font-family: Ebrima; mso-bidi-font-family: Arial; mso-themecolor: text1;"><o:p> </o:p></span></p>
</td>
</tr>
<tr style="mso-yfti-irow: 89;">
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 4.86%;" valign="top" width="4%">
<p align="center" class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt; text-align: center;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 8.58%;" valign="top" width="8%">
<p class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;">ans:<o:p></o:p></span></b></p>
</td>
<td colspan="3" style="padding: 0in 5.4pt 0in 5.4pt; width: 80.42%;" valign="top" width="80%">
<p class="MsoNormalCxSpMiddle" style="line-height: 115%; margin-top: 1.0pt; mso-add-space: auto;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;">Nitrogen
gas is most abundant and important for growth of plants and animals.<o:p></o:p></span></b></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 6.14%;" valign="top" width="6%">
<p align="center" class="MsoNormalCxSpMiddle" style="line-height: 115%; margin-top: 1.0pt; mso-add-space: auto; text-align: center;"><span lang="EN-GB" style="color: black; font-family: Ebrima; mso-bidi-font-family: Arial; mso-themecolor: text1;"><o:p> </o:p></span></p>
</td>
</tr>
<tr style="mso-yfti-irow: 90;">
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 4.86%;" valign="top" width="4%">
<p align="center" class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt; text-align: center;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 8.58%;" valign="top" width="8%">
<p class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td colspan="3" style="padding: 0in 5.4pt 0in 5.4pt; width: 80.42%;" valign="top" width="80%">
<p class="MsoNormalCxSpMiddle" style="line-height: 115%; margin-top: 1.0pt; mso-add-space: auto;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 6.14%;" valign="top" width="6%">
<p align="center" class="MsoNormalCxSpMiddle" style="line-height: 115%; margin-top: 1.0pt; mso-add-space: auto; text-align: center;"><span lang="EN-GB" style="color: black; font-family: Ebrima; mso-bidi-font-family: Arial; mso-themecolor: text1;"><o:p> </o:p></span></p>
</td>
</tr>
<tr style="mso-yfti-irow: 91;">
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 4.86%;" valign="top" width="4%">
<p align="center" class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt; text-align: center;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 8.58%;" valign="top" width="8%">
<p class="MsoListParagraph" style="background: white; line-height: 115%; margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 31.5pt; margin-right: 0in; margin-top: 1.0pt; mso-add-space: auto; mso-list: l2 level1 lfo2; mso-text-indent-alt: -.25in; text-indent: -31.5pt;"><!--[if !supportLists]--><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Ebrima; mso-bidi-font-weight: bold; mso-fareast-font-family: Ebrima;"><span style="mso-list: Ignore;"><span style="font: 7.0pt "Times New Roman";">
</span>(d)<span style="font: 7.0pt "Times New Roman";">
</span></span></span><!--[endif]--><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td colspan="3" style="padding: 0in 5.4pt 0in 5.4pt; width: 80.42%;" valign="top" width="80%">
<p class="MsoNormalCxSpFirst" style="line-height: 115%; margin-top: 1.0pt; mso-add-space: auto;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial; mso-fareast-language: EN-GB; mso-no-proof: yes;">Name the gas used for
extinguishing fires. <o:p></o:p></span></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 6.14%;" valign="top" width="6%">
<p align="center" class="MsoNormalCxSpMiddle" style="line-height: 115%; margin-top: 1.0pt; mso-add-space: auto; text-align: center;"><span lang="EN-GB" style="color: black; font-family: Ebrima; mso-bidi-font-family: Arial; mso-themecolor: text1;"><o:p> </o:p></span></p>
</td>
</tr>
<tr style="mso-yfti-irow: 92;">
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 4.86%;" valign="top" width="4%">
<p align="center" class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt; text-align: center;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 8.58%;" valign="top" width="8%">
<p class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;">ans:<o:p></o:p></span></b></p>
</td>
<td colspan="3" style="padding: 0in 5.4pt 0in 5.4pt; width: 80.42%;" valign="top" width="80%">
<p class="MsoNormalCxSpMiddle" style="line-height: 115%; margin-top: 1.0pt; mso-add-space: auto;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;">Carbon
dioxide<o:p></o:p></span></b></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 6.14%;" valign="top" width="6%">
<p align="center" class="MsoNormalCxSpMiddle" style="line-height: 115%; margin-top: 1.0pt; mso-add-space: auto; text-align: center;"><span lang="EN-GB" style="color: black; font-family: Ebrima; mso-bidi-font-family: Arial; mso-themecolor: text1;"><o:p> </o:p></span></p>
</td>
</tr>
<tr style="mso-yfti-irow: 93; mso-yfti-lastrow: yes;">
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 4.86%;" valign="top" width="4%">
<p align="center" class="MsoNormal" style="line-height: 115%; margin-top: 1.0pt; text-align: center;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td colspan="2" style="padding: 0in 5.4pt 0in 5.4pt; width: 8.58%;" valign="top" width="8%">
<p class="MsoNormal" style="line-height: 115%; margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 4.5pt; margin-right: 0in; margin-top: 1.0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></b></p>
</td>
<td colspan="3" style="padding: 0in 5.4pt 0in 5.4pt; width: 80.42%;" valign="top" width="80%">
<p align="right" class="MsoNormalCxSpMiddle" style="line-height: 115%; margin-top: 1.0pt; mso-add-space: auto; text-align: right;"><i style="mso-bidi-font-style: normal;"><span lang="EN-GB" style="color: #000099; font-family: Ebrima; mso-bidi-font-family: Arial;">Ch
14: Air Around Us, Pg-191, 194 and 192</span></i><span lang="EN-GB" style="color: black; font-family: Ebrima; mso-bidi-font-family: Arial; mso-themecolor: text1;"><o:p></o:p></span></p>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 6.14%;" valign="top" width="6%">
<p align="center" class="MsoNormalCxSpMiddle" style="line-height: 115%; margin-top: 1.0pt; mso-add-space: auto; text-align: center;"><span lang="EN-GB" style="color: black; font-family: Ebrima; mso-bidi-font-family: Arial; mso-themecolor: text1;"><o:p> </o:p></span></p>
</td>
</tr>
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<tr height="0">
<td style="border: none;" width="36"></td>
<td style="border: none;" width="4"></td>
<td style="border: none;" width="60"></td>
<td style="border: none;" width="2"></td>
<td style="border: none;" width="52"></td>
<td style="border: none;" width="548"></td>
<td style="border: none;" width="46"></td>
</tr>
<!--[endif]-->
</tbody></table>
<p class="MsoNormal" style="line-height: 115%;"><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial; mso-bidi-font-weight: bold;">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>></span><span lang="EN-GB" style="font-family: Ebrima; mso-bidi-font-family: Arial;"><o:p> </o:p></span></p>DEEPAL MAKATIhttp://www.blogger.com/profile/09139325353246640272noreply@blogger.com6tag:blogger.com,1999:blog-8714579048989778922.post-42143188659685719802022-03-04T21:54:00.003-08:002022-03-04T21:54:48.430-08:00SCIENCE 14. Air Around Us WORKBOOK <p> <span style="font-family: Arial; font-size: 12pt; font-weight: 700; white-space: pre-wrap;">Objective type questions</span></p><span id="docs-internal-guid-40e954bf-7fff-264e-7247-f734bcc20742"><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-right: 1.211669921875pt; margin-top: 0pt; text-align: right;"><span style="font-family: Arial; font-size: 15.96pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">14. Air Around Us </span><span style="font-family: Arial; font-size: 15.96pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;"><br /></span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 21.012008666992188pt; margin-top: 47.0146484375pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">1. Choose the correct option. </span></p><p dir="ltr" style="line-height: 1.7293036937713622; margin-bottom: 0pt; margin-left: 57.72801208496094pt; margin-right: 66.75003051757812pt; margin-top: 6.595703125pt; padding: 0pt 0pt 0pt 17.831985473632812pt; text-indent: -17.831985473632812pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">a) The amount of nitrogen present in the atmosphere is __________. i) 20% ii) 78% </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 75.55999755859375pt; margin-top: 1.4630126953125pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">iii) 16% iv) 0.03% </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 40.736000061035156pt; margin-top: 5.79595947265625pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">ans: 78% </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 58.17201232910156pt; margin-top: 28.38592529296875pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">b) _________________ gas is used in extinguishing fires. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 75.55999755859375pt; margin-top: 6.7559814453125pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">i) Oxygen ii) Hydrogen </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 75.55999755859375pt; margin-top: 6.75604248046875pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">iii) Carbon dioxide iv) Nitrogen </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 39.53600311279297pt; margin-top: 5.795989990234375pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">ans: Carbon dioxide </span></p><p dir="ltr" style="line-height: 1.7293075561523437; margin-bottom: 0pt; margin-left: 57.764007568359375pt; margin-right: 94.17599487304688pt; margin-top: 28.355987548828125pt; padding: 0pt 0pt 0pt 17.795989990234375pt; text-indent: -17.795989990234375pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">c) _____________ mark the beginning of the oxygen cycle. i) Bacteria ii) Land animals iii) Sea animals iv) Plants </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 39.53600311279297pt; margin-top: 0.52294921875pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">ans: Plants </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 20.256004333496094pt; margin-top: 27.5159912109375pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">2. Name the following: </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 57.72801208496094pt; margin-top: 6.4757080078125pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">a) The excessive cutting of trees. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 40.736000061035156pt; margin-top: 5.795989990234375pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">ans: Deforestation </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 58.17201232910156pt; margin-top: 28.475997924804688pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">b) The envelope of air surrounding the earth. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 40.736000061035156pt; margin-top: 5.7960052490234375pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">ans: Atmosphere </span></p><p dir="ltr" style="line-height: 1.6493403911590576; margin-bottom: 0pt; margin-left: 40.736000061035156pt; margin-right: 63.947998046875pt; margin-top: 28.386001586914062pt; text-indent: 17.02800750732422pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">c) The method used for separation of husk from grains using wind. </span><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">ans: Winnowing </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-right: 11.33404541015625pt; margin-top: 85.41859436035156pt; text-align: right;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">Page </span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">1 </span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">of </span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">5 </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 20.44800567626953pt; margin-top: 0pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">3. State whether the following statements are true or false. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 57.72801208496094pt; margin-top: 6.61566162109375pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">a) Windmills are used to draw water from tube wells. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 40.736000061035156pt; margin-top: 5.79595947265625pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">ans: True </span></p><p dir="ltr" style="line-height: 1.6493441104888915; margin-bottom: 0pt; margin-left: 40.736000061035156pt; margin-right: 67.08206176757812pt; margin-top: 28.35595703125pt; text-indent: 17.436012268066406pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">b) The amount of water vapour present in the atmosphere is fixed. </span><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">ans: False </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 57.764007568359375pt; margin-top: 23.9825439453125pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">c) Nitrogen supports combustion. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 40.736000061035156pt; margin-top: 5.79595947265625pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">ans: False </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 19.99200439453125pt; margin-top: 27.425994873046875pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">4. Assertion-reasoning type questions: </span></p><p dir="ltr" style="line-height: 1.5893646240234374; margin-bottom: 0pt; margin-left: 39.14000701904297pt; margin-right: 1.68804931640625pt; margin-top: 6.595672607421875pt; padding: 0pt 0pt 0pt 0.33599853515625pt; text-indent: -0.33599853515625pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">In following questions, the Assertion and Reason have been put forward. Read the statements carefully and choose the correct alternative from the following: (A) Both Assertion and Reason are true and the Reason is a correct explanation of the Assertion. </span></p><p dir="ltr" style="line-height: 1.5693743705749512; margin-bottom: 0pt; margin-left: 47.09600830078125pt; margin-right: 6.56402587890625pt; margin-top: 0.82232666015625pt; padding: 0pt 0pt 0pt 24.827987670898438pt; text-indent: -24.827987670898438pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">(B) Both Assertion and Reason are true but Reason is not a correct explanation of the Assertion. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 46.85600280761719pt; margin-top: 1.022247314453125pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">(C) Assertion is true but the Reason is false. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 46.376007080078125pt; margin-top: 4.735992431640625pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">(D) Both Assertion and Reason are false. </span></p><p dir="ltr" style="line-height: 1.5693743705749512; margin-bottom: 0pt; margin-left: 57.72801208496094pt; margin-right: 15.5841064453125pt; margin-top: 6.635986328125pt; padding: 0pt 0pt 0pt 17.243988037109375pt; text-indent: -17.243988037109375pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">a) </span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">Assertion</span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">: The ruler stoops to one side, when one of the balloons tied at the two ends of a ruler is punctured. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 75.68000793457031pt; margin-top: 1.98223876953125pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">Reason</span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">: Air is invisible. </span></p><p dir="ltr" style="line-height: 1.4694106578826904; margin-bottom: 0pt; margin-left: 39.53600311279297pt; margin-right: 26.94195556640625pt; margin-top: 5.7960205078125pt; padding: 0pt 0pt 0pt 35.60399627685547pt; text-indent: -35.60399627685547pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">ans: (B) Both Assertion and Reason are true but Reason is not a correct explanation of the Assertion. </span></p><p dir="ltr" style="line-height: 1.5593762397766113; margin-bottom: 0pt; margin-left: 58.17201232910156pt; margin-right: 26.74407958984375pt; margin-top: 24.581893920898438pt; padding: 0pt 0pt 0pt 17.159988403320312pt; text-indent: -17.159988403320312pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">b) </span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">Assertion</span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">: Use of alternate sources of energy such as wind energy and solar energy should be encouraged. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-right: 69.52801513671875pt; margin-top: 2.23223876953125pt; text-align: right;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">Reason</span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">: Alternate sources of energy do not cause air pollution. </span></p><p dir="ltr" style="line-height: 1.4694119453430174; margin-bottom: 0pt; margin-left: 39.53600311279297pt; margin-right: 25.34600830078125pt; margin-top: 5.675994873046875pt; padding: 0pt 0pt 0pt 35.60399627685547pt; text-indent: -35.60399627685547pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">ans: (A) Both Assertion and Reason are true and the Reason is a correct explanation of the Assertion.</span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-right: 11.33404541015625pt; margin-top: 75.81788635253906pt; text-align: right;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">Page </span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">2 </span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">of </span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">5 </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 8.183998107910156pt; margin-top: 0pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">Theory type questions</span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 20.592010498046875pt; margin-top: 16.47601318359375pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">5. Define the following: </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 57.72801208496094pt; margin-top: 6.595703125pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">a) Oxygen cycle </span></p><p dir="ltr" style="line-height: 1.4644154548645019; margin-bottom: 0pt; margin-left: 40.736000061035156pt; margin-right: 11.1600341796875pt; margin-top: 5.79595947265625pt; padding: 0pt 0pt 0pt 34.31999969482422pt; text-indent: -34.31999969482422pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">ans: The cycle in nature in which the oxygen is consumed for respiration and is released during the process of photosynthesis is called oxygen cycle. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 58.17201232910156pt; margin-top: 24.6318359375pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">b) Air pollution </span></p><p dir="ltr" style="line-height: 1.4694080829620362; margin-bottom: 0pt; margin-left: 40.736000061035156pt; margin-right: 14.38800048828125pt; margin-top: 5.82598876953125pt; padding: 0pt 0pt 0pt 34.40399932861328pt; text-indent: -34.40399932861328pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">ans: The presence of undesirable substances in the air that cause harmful effects is known as air pollution. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 20.352005004882812pt; margin-top: 23.6219482421875pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">6. Answer the following in brief. </span></p><p dir="ltr" style="line-height: 1.5593762397766113; margin-bottom: 0pt; margin-left: 57.72801208496094pt; margin-right: 36.3260498046875pt; margin-top: 6.595703125pt; padding: 0pt 0pt 0pt 17.9639892578125pt; text-indent: -17.9639892578125pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">a) What is the significance of hair and mucus present inside the nose of human beings? </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 40.736000061035156pt; margin-top: 2.2022705078125pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">ans: They prevent the dust particles from entering our lungs. </span></p><p dir="ltr" style="line-height: 1.5610410690307617; margin-bottom: 0pt; margin-left: 58.17201232910156pt; margin-right: 7.20208740234375pt; margin-top: 28.475982666015625pt; padding: 0pt 0pt 0pt 16.8599853515625pt; text-indent: -16.8599853515625pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">b) Which harmful gases are produced by burning of fuels in automobiles and factories? </span></p><p dir="ltr" style="line-height: 1.4644128799438476; margin-bottom: 0pt; margin-left: 40.736000061035156pt; margin-right: 13.9739990234375pt; margin-top: 2.18560791015625pt; padding: 0pt 0pt 0pt 34.248008728027344pt; text-indent: -34.248008728027344pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">ans: Harmful gases such as carbon monoxide, oxides of nitrogen and hydrogen sulphide produced by burning of fuels in automobiles and factories. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 57.764007568359375pt; margin-top: 24.631866455078125pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">c) Give one use of nitrogen. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 40.736000061035156pt; margin-top: 5.7960052490234375pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">ans: It is used in the manufacture of fertilisers. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 20.32801055908203pt; margin-top: 27.5159912109375pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">7. Give reasons for the following statements. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 57.72801208496094pt; margin-top: 6.62567138671875pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">a) It is difficult to breathe at higher altitudes. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 40.736000061035156pt; margin-top: 5.6760101318359375pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">ans: As the layer of air is very thin at higher altitudes. </span></p><p dir="ltr" style="line-height: 1.6490066528320313; margin-bottom: 0pt; margin-left: 40.736000061035156pt; margin-right: 12.9000244140625pt; margin-top: 28.47600555419922pt; text-align: center;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">b) If a burning candle is covered using a tumbler, it goes off in sometime. </span><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">ans: Oxygen is necessary for burning. The candle goes off as it uses up all </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-right: 11.33404541015625pt; margin-top: 33.22593307495117pt; text-align: right;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">Page </span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">3 </span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">of </span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">5 </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 74.96000671386719pt; margin-top: 0pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">the oxygen present inside the glass. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 8.963996887207031pt; margin-top: 33.29595947265625pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">Picture based question</span></p><p dir="ltr" style="line-height: 2.5189910888671876; margin-bottom: 0pt; margin-left: 20.232009887695312pt; margin-right: 100.93402099609375pt; margin-top: 17.43597412109375pt; padding: 0pt 0pt 0pt 94.43798828125pt; text-indent: -94.43798828125pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">8. </span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">Observe the given picture and answer the questions that follow. </span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;"><span style="border: none; display: inline-block; height: 142px; overflow: hidden; width: 323px;"><img height="142" src="https://lh4.googleusercontent.com/UPEgaTIbYmwSraFUKeMClr2SHmq8DlklrUJljUX2w6F-xwLOYs8wtNqdvQyRHN1Lrs4lUh-rjdP-5ssikAFERweZ5J95jqCFKqYh_k12HQ5p9d-zB4_kre5I7rV34s71mYWwEmqQ" style="margin-left: 0px; margin-top: 0px;" width="323" /></span></span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 57.72801208496094pt; margin-top: 0pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">a) Why do you see bubbles escaping from the bottle? </span></p><p dir="ltr" style="line-height: 1.4694132328033447; margin-bottom: 0pt; margin-left: 39.53600311279297pt; margin-right: 17.46600341796875pt; margin-top: 5.795989990234375pt; padding: 0pt 0pt 0pt 35.96399688720703pt; text-indent: -35.96399688720703pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">ans: The bottle had air which escaped on tilting the bottle in the form of bubbles. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 58.17201232910156pt; margin-top: 24.58184814453125pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">b) What can you conclude from the above activity? </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 39.53600311279297pt; margin-top: 5.7960205078125pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">ans: Air occupies space. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 8.963996887207031pt; margin-top: 34.256011962890625pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">Real life learning </span></p><p dir="ltr" style="line-height: 1.4492976665496826; margin-bottom: 0pt; margin-left: 20.220008850097656pt; margin-right: 7.634033203125pt; margin-top: 16.475982666015625pt; text-align: center;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">9. </span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">There is a chemical factory in your locality that emits lots of gases into the atmosphere. The harmful effects of this are seen on people living in nearby areas. Suggest any one step that the chemical factory can follow to reduce air pollution. </span><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">ans: The chemical factory should install long chimneys so that the harmful gases are released high up in the air and away from humans. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-right: 11.33404541015625pt; margin-top: 184.66783142089844pt; text-align: right;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">Page </span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">4 </span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">of </span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">5 </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 8.963996887207031pt; margin-top: 0pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">Fun based questions</span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 21.012008666992188pt; margin-top: 16.47601318359375pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">10. Fill in the missing letters appropriately. </span></p><p dir="ltr" style="line-height: 2.0691693305969237; margin-bottom: 0pt; margin-left: 9.33599853515625pt; margin-right: 95.94003295898438pt; margin-top: 6.595703125pt; text-align: center;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">1. The process of formation of water vapour from water by heating. </span><span style="color: blue; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">E </span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">V </span><span style="color: blue; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">A </span><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">P </span><span style="color: blue; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">O R A </span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">T </span><span style="color: blue; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">I O </span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">N </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 8.639999389648438pt; margin-top: 14.14434814453125pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">2. The harmful substances present in the air. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 45.20000457763672pt; margin-top: 10.7159423828125pt;"><span style="color: blue; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">P </span><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">O </span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">L L </span><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">U T A N T </span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">S </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 8.963996887207031pt; margin-top: 28.86602783203125pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">HOTS </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 21.012008666992188pt; margin-top: 16.4759521484375pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">11. Higher Order Thinking Skills (HOTS) </span></p><p dir="ltr" style="line-height: 1.3594566822052; margin-bottom: 0pt; margin-left: 39.884002685546875pt; margin-right: 6.01409912109375pt; margin-top: 5.51568603515625pt; text-indent: 0.07199859619140625pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">What will happen if all plants were to vanish from the surface of the earth? Justify your answer. </span></p><p dir="ltr" style="line-height: 1.4594175338745117; margin-bottom: 0pt; margin-left: 2.5800018310546875pt; margin-top: 0.8414306640625pt; padding: 0pt 0pt 0pt 55.03999328613281pt; text-indent: -55.03999328613281pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">ans: </span><span style="color: #000099; font-family: "Noto Sans Symbols", sans-serif; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">∙ </span><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">As the plants mark the beginning of the oxygen cycle, no plants means no photosynthesis. </span></p><p dir="ltr" style="line-height: 1.4794062137603758; margin-bottom: 0pt; margin-left: 39.46400451660156pt; margin-right: 12.302001953125pt; margin-top: 0.92181396484375pt; padding: 0pt 0pt 0pt 17.615997314453125pt; text-indent: -17.615997314453125pt;"><span style="color: #000099; font-family: "Noto Sans Symbols", sans-serif; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">∙ </span><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">No photosynthesis means no oxygen for respiration and the very life on the earth will come to an end. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-top: 22.1019287109375pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-right: 11.33404541015625pt; margin-top: 289.62200927734375pt; text-align: right;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">Page </span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">5 </span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">of </span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">5 </span></p><div><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;"><br /></span></div></span>DEEPAL MAKATIhttp://www.blogger.com/profile/09139325353246640272noreply@blogger.com2tag:blogger.com,1999:blog-8714579048989778922.post-71119760965024993612022-03-02T10:26:00.000-08:002022-03-02T10:26:09.451-08:00<div class="separator" style="clear: both;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEiG4GwNtapKhKPnNz_w4lIgmJ58CgazaFbNKWZkK_adIqjvSTylM8dIWs8RigraNCBuPUCM4-4jIdfvrpZvoBhOY3CEYj-cU0C4Kcwwps3FbdYV8L3WKGQyDOzGlHFmXtzoM16D0LAJuhpREYNHSvvDickJFsKDmzRQt6qPSoXxQur5ULuMgyc5O5x-=s4128" style="display: block; padding: 1em 0; text-align: center; "><img alt="" border="0" height="600" data-original-height="4128" data-original-width="3096" src="https://blogger.googleusercontent.com/img/a/AVvXsEiG4GwNtapKhKPnNz_w4lIgmJ58CgazaFbNKWZkK_adIqjvSTylM8dIWs8RigraNCBuPUCM4-4jIdfvrpZvoBhOY3CEYj-cU0C4Kcwwps3FbdYV8L3WKGQyDOzGlHFmXtzoM16D0LAJuhpREYNHSvvDickJFsKDmzRQt6qPSoXxQur5ULuMgyc5O5x-=s600"/></a></div><div class="separator" style="clear: both;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEhIXf7GRXYIljIoawlIS0JXvU11HzWrUr1tv--rVD8xdZakteTrsjUPRPzqMgrgHAF71jR9ruh-1MYE8Ku6c5MMBXjUF0oG0SFvtseVvbJcaJrRVwn56WOv9sBL06RpLycwaTzTdNu0I5UtjsqGWMLKkGn1C-BbXZbCpkVK5IjyJ7nVVdoYjmRwIXdd=s4128" style="display: block; padding: 1em 0; text-align: center; "><img alt="" border="0" height="600" data-original-height="4128" data-original-width="3096" src="https://blogger.googleusercontent.com/img/a/AVvXsEhIXf7GRXYIljIoawlIS0JXvU11HzWrUr1tv--rVD8xdZakteTrsjUPRPzqMgrgHAF71jR9ruh-1MYE8Ku6c5MMBXjUF0oG0SFvtseVvbJcaJrRVwn56WOv9sBL06RpLycwaTzTdNu0I5UtjsqGWMLKkGn1C-BbXZbCpkVK5IjyJ7nVVdoYjmRwIXdd=s600"/></a></div><div class="separator" style="clear: both;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEgJ2IChhRytTX2L8HL1nhGDXfvTTvyEBSWsTSLGisORwsCbOg6EJing-fCwfToZ7hGKarkx44qSqjITUUhvHT-rv0dfszyorFKZGaN_eTUm0onhX_xTddACm3r7rxEnhwo-ck-PrOL0aEq6gEbpqa-DP2esZ3pMp2aNdBiiI38dWkE_T66ulz5qL6av=s4128" style="display: block; padding: 1em 0; text-align: center; "><img alt="" border="0" height="600" data-original-height="4128" data-original-width="3096" src="https://blogger.googleusercontent.com/img/a/AVvXsEgJ2IChhRytTX2L8HL1nhGDXfvTTvyEBSWsTSLGisORwsCbOg6EJing-fCwfToZ7hGKarkx44qSqjITUUhvHT-rv0dfszyorFKZGaN_eTUm0onhX_xTddACm3r7rxEnhwo-ck-PrOL0aEq6gEbpqa-DP2esZ3pMp2aNdBiiI38dWkE_T66ulz5qL6av=s600"/></a></div><div class="separator" style="clear: both;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEi0XTmn8DgPesWB5TlKg7_IutW1vLzJah-ad4uzxqMRK4u4V4pEBldlCA9QAzE4dSo9TTorguIT7cLpEQJGiXiyU0x91hUf_vQVHWa1Sq2dSZU5XFzPNddrfGnCsgTmcSwGLjvMxKwVWfq4ZYDsxlQD27ZIWdaznLmPKNsI8Q0v067B6JWi-j5TMx1D=s4128" style="display: block; padding: 1em 0; text-align: center; "><img alt="" border="0" height="600" data-original-height="4128" data-original-width="3096" src="https://blogger.googleusercontent.com/img/a/AVvXsEi0XTmn8DgPesWB5TlKg7_IutW1vLzJah-ad4uzxqMRK4u4V4pEBldlCA9QAzE4dSo9TTorguIT7cLpEQJGiXiyU0x91hUf_vQVHWa1Sq2dSZU5XFzPNddrfGnCsgTmcSwGLjvMxKwVWfq4ZYDsxlQD27ZIWdaznLmPKNsI8Q0v067B6JWi-j5TMx1D=s600"/></a></div>Joshishitalhttp://www.blogger.com/profile/10668529883837035444noreply@blogger.com0tag:blogger.com,1999:blog-8714579048989778922.post-65397947701357506502022-02-24T01:54:00.000-08:002022-02-24T01:54:10.747-08:00SCIENCE Ch. 13: Magnetism WORKBOOK QUESTION ANSWER<p style="text-align: center;"> <span style="font-family: Arial; font-size: 14.04pt; font-weight: 700; white-space: pre-wrap;">Ch. 13: Magnetism </span></p><span id="docs-internal-guid-08979f3c-7fff-122d-2ba7-aa87ddf02ff3"><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 9.023990631103516pt; margin-top: 44.5953369140625pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">1. Choose the correct option. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 31.043994903564453pt; margin-top: 11.55596923828125pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">a) The meaning of lodestone is </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 49.351993560791016pt; margin-top: 7.35601806640625pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">i) magnetite ii) leading stone </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 49.351993560791016pt; margin-top: 7.23590087890625pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">iii) natural magnet iv) temporary magnets </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 51.9319953918457pt; margin-top: 6.2760009765625pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">Ans: B- leading stone </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 31.487995147705078pt; margin-top: 3.5159912109375pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">b) Which of the following is attracted by a magnet? </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 49.351993560791016pt; margin-top: 7.35595703125pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">i) Silver ii) Pieces of paper </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 49.351993560791016pt; margin-top: 7.26593017578125pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">iii) Hair iv) Cobalt </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 48.57199478149414pt; margin-top: 6.2760009765625pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">Ans: D - Cobalt </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 31.079998016357422pt; margin-top: 3.5159912109375pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">c) Which of the following is a natural magnet? </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 49.351993560791016pt; margin-top: 7.35595703125pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">i) Cobalt ii) Magnetite </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 49.351993560791016pt; margin-top: 7.2359619140625pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">iii) Nickel iv) Natural coal </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 48.57199478149414pt; margin-top: 6.39599609375pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">Ans: B Magnetite </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 8.711994171142578pt; margin-top: 26.916015625pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">2. Assertion-Reasoning Questions. </span></p><p dir="ltr" style="line-height: 1.3744500160217286; margin-bottom: 0pt; margin-left: 8.315990447998047pt; margin-right: 16.36407470703125pt; margin-top: 10.615997314453125pt; text-indent: 0.01200103759765625pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">In the following questions, two statements are given- one labelled Assertion (A) and the other labelled Reason (R). Read the statements carefully and choose the correct alternative (A), (B), (C) and (D) as given below. </span></p><p dir="ltr" style="line-height: 1.3594566822052; margin-bottom: 0pt; margin-left: 37.328006744384766pt; margin-right: 25.26416015625pt; margin-top: 9.691497802734375pt; padding: 0pt 0pt 0pt 0.1199951171875pt; text-indent: -0.1199951171875pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">(A) Both A and R are true and R is the correct explanation of the assertion. (B) Both A and R are true but R is not the correct explanation of the assertion. (C) A is true but R is false. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 37.08799362182617pt; margin-top: 0.721405029296875pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">(D) A is false but R is true. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 8.411991119384766pt; margin-top: 21.87603759765625pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">a) Assertion: </span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">Magnetic poles always exist in pairs. </span></p><p dir="ltr" style="line-height: 1.4144336700439453; margin-bottom: 0pt; margin-left: 33.21599197387695pt; margin-right: 32.90203857421875pt; margin-top: 3.545989990234375pt; text-indent: 11.816001892089844pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">Reason: </span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">Artificial magnets are obtained through an artificial process. </span><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">Ans: (B) Both A and R are true but R is not the correct explanation of the assertion. </span></p><p dir="ltr" style="line-height: 1.4444223403930663; margin-bottom: 0pt; margin-left: 8.075992584228516pt; margin-right: 65.99603271484375pt; margin-top: 2.0916595458984375pt; text-indent: 0.779998779296875pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">b) Assertion: </span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">A compass is used by navigators and pilots to find directions. </span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">Reason: </span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">A freely suspended magnet always aligns in the north-south direction. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 8.135990142822266pt; margin-top: 0.8317718505859375pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">Ans: (A) Both A and R are true and R is the correct explanation of the assertion.</span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 172.88744735717773pt; margin-top: 0pt;"><br /></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 8.939990997314453pt; margin-top: 20.0953369140625pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">3. Answer the following questions in brief. </span><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">(4 to 5 lines) </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 26.603992462158203pt; margin-top: 2.3359375pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">a) What are non–magnetic materials? </span></p><p dir="ltr" style="line-height: 1.3794477939605712; margin-bottom: 0pt; margin-left: 44.71999740600586pt; margin-right: 16.9520263671875pt; margin-top: 2.5560302734375pt; padding: 0pt 0pt 0pt 18.131996154785156pt; text-indent: -18.131996154785156pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">i. Materials which are not attracted by magnets are called non-magnetic materials. </span></p><p dir="ltr" style="line-height: 1.3694522380828857; margin-bottom: 0pt; margin-left: 44.71999740600586pt; margin-right: 71.75601196289062pt; margin-top: 0.76153564453125pt; padding: 0pt 0pt 0pt 18.131996154785156pt; text-indent: -18.131996154785156pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">ii. Stone, glass, water, rubber, wood, aluminium, grass, are non magnetic materials. </span></p><p dir="ltr" style="line-height: 1.3800719261169434; margin-bottom: 0pt; margin-left: 27.047992706298828pt; margin-right: 16.88201904296875pt; margin-top: 19.3414306640625pt; text-align: center;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">b) What would you observe if two magnets are brought close to each other? </span><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">i. The magnets will repel each other if the same magnetic poles (like north-north or south-south) are brought close to each other. ii. The magnets will attract each other if the same magnetic poles (unlike poles north-south or south-north) are brought close to each other. </span></p><p dir="ltr" style="line-height: 1.3794477939605712; margin-bottom: 0pt; margin-left: 26.639995574951172pt; margin-right: 40.48602294921875pt; margin-top: 19.23529052734375pt; padding: 0pt 0pt 0pt 18.080001831054688pt; text-indent: -18.080001831054688pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">c) What happens to the poles of a magnet if it breaks into two pieces? </span><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">i. When a bar magnet breaks into two pieces, each broken piece will have a north pole and a south pole of its own. </span></p><p dir="ltr" style="line-height: 1.4594175338745117; margin-bottom: 0pt; margin-left: 26.639995574951172pt; margin-right: 31.81201171875pt; margin-top: 19.36151123046875pt; padding: 0pt 0pt 0pt 18.40399932861328pt; text-indent: -18.40399932861328pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">d) How can one identify the North Pole and South pole of a magnet, if there is no indication on it? </span></p><p dir="ltr" style="line-height: 1.3766717433929443; margin-bottom: 0pt; margin-left: 44.71999740600586pt; margin-right: 17.3759765625pt; margin-top: 0.081787109375pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">i. First hang the bar magnet freely with the help of a light thread. ii. Then allow the magnet come to rest on its own. Now the end of the magnet which points to the north is the North Pole and the end which points to the south is the south pole. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 8.30398941040039pt; margin-top: 25.269287109375pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">4. Answer the following questions in detail. </span><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">(5 to 6 lines) </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 22.163997650146484pt; margin-top: 2.316009521484375pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">a) Describe the properties of a magnet. </span></p><p dir="ltr" style="line-height: 1.2794867992401122; margin-bottom: 0pt; margin-left: 44.71999740600586pt; margin-right: 61.26202392578125pt; margin-top: 1.235992431640625pt; padding: 0pt 0pt 0pt 17.771995544433594pt; text-indent: -17.771995544433594pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">i. Property of Attraction - A magnet attracts metals such as iron, cobalt, nickel and mixtures of these metals. </span></p><p dir="ltr" style="line-height: 1.2819857597351074; margin-bottom: 0pt; margin-left: 44.71999740600586pt; margin-right: 42.99407958984375pt; margin-top: 0.441162109375pt; padding: 0pt 0pt 0pt 17.591995239257812pt; text-indent: -17.591995239257812pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">ii. Property of Direction - A freely suspended magnet always rests in the north-south direction. </span></p><p dir="ltr" style="line-height: 1.2694911003112792; margin-bottom: 0pt; margin-left: 44.71999740600586pt; margin-right: 51.9739990234375pt; margin-top: 0.536163330078125pt; padding: 0pt 0pt 0pt 17.68799591064453pt; text-indent: -17.68799591064453pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">iii. Property of Attraction and Repulsion - Unlike poles of a magnet attract each other, whereas like poles repel each other. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 44.71999740600586pt; margin-top: 0.6610870361328125pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">iv. Magnetic poles always exist in pairs. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 22.60799789428711pt; margin-top: 17.555999755859375pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">b) Explain the construction of a magnetic compass. </span></p><p dir="ltr" style="line-height: 1.2694925308227538; margin-bottom: 0pt; margin-left: 40.28000259399414pt; margin-right: 72.27200317382812pt; margin-top: 1.3560028076171875pt; padding: 0pt 0pt 0pt 18pt; text-indent: -18pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">i. A magnetic compass consists of a magnetised needle pivoted inside a small box with a glass cover on it. </span></p><p dir="ltr" style="line-height: 1.2744908809661866; margin-bottom: 0pt; margin-left: 40.28000259399414pt; margin-right: 51.26605224609375pt; margin-top: 0.6610565185546875pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">ii. The magnetic compass has a dial on which directions are marked. iii. The north pole of a magnetised needle is normally painted in red colour for easy identification. </span></p><p dir="ltr" style="line-height: 1.2694918155670165; margin-bottom: 0pt; margin-left: 40.28000259399414pt; margin-right: 67.5560302734375pt; margin-top: 0.6310882568359375pt; padding: 0pt 0pt 0pt 17.771995544433594pt; text-indent: -17.771995544433594pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">iv. The magnetised needle when at rest indicates the north-south direction.</span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 22.200000762939453pt; margin-top: 37.63531494140625pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">c) Why is repulsion a true test for verification of a magnet? </span></p><p dir="ltr" style="line-height: 1.2761565685272216; margin-bottom: 0pt; margin-left: 44.71999740600586pt; margin-right: 57.442047119140625pt; margin-top: 1.2359619140625pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">i. A magnet can attract magnets as well as magnetic materials. ii. So, if the criterion of attraction is used to test magnetism of an object, then not only magnets, but also all magnetic materials would pass the test. </span></p><p dir="ltr" style="line-height: 1.2694911003112792; margin-bottom: 0pt; margin-left: 44.71999740600586pt; margin-right: 45.52398681640625pt; margin-top: 0.59442138671875pt; padding: 0pt 0pt 0pt 18.131996154785156pt; text-indent: -18.131996154785156pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">iii. On the other hand, a magnet can repel only other magnets if two like poles of magnets are brought together. </span></p><p dir="ltr" style="line-height: 1.2794867992401122; margin-bottom: 0pt; margin-left: 44.71999740600586pt; margin-right: 52.9119873046875pt; margin-top: 0.6611328125pt; padding: 0pt 0pt 0pt 18pt; text-indent: -18pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">iv. Therefore, if an object is repelled by a magnet, then that object is certainly a magnet. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 9.035991668701172pt; margin-top: 17.0311279296875pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">5. Write short notes on the following. </span><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">(3 to 4 lines) </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 17.603992462158203pt; margin-top: 2.1959228515625pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">a) Artificial magnets </span></p><p dir="ltr" style="line-height: 1.2794867992401122; margin-bottom: 0pt; margin-left: 44.71999740600586pt; margin-right: 41.536041259765625pt; margin-top: 1.35601806640625pt; padding: 0pt 0pt 0pt 17.771995544433594pt; text-indent: -17.771995544433594pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">i. Magnets which are obtained through an artificial process are called artificial magnets. </span></p><p dir="ltr" style="line-height: 1.2794867992401122; margin-bottom: 0pt; margin-left: 44.71999740600586pt; margin-right: 41.55401611328125pt; margin-top: 0.44110107421875pt; padding: 0pt 0pt 0pt 17.771995544433594pt; text-indent: -17.771995544433594pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">ii. These types of magnets are made with hard steel or special alloys of iron. </span></p><p dir="ltr" style="line-height: 1.269493818283081; margin-bottom: 0pt; margin-left: 44.71999740600586pt; margin-right: 41.4820556640625pt; margin-top: 0.561126708984375pt; padding: 0pt 0pt 0pt 17.375999450683594pt; text-indent: -17.375999450683594pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">iii. These magnets can be made in different shapes and sizes for various uses. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 44.71999740600586pt; margin-top: 0.661041259765625pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">iv. For example, ring shaped magnets are used in speakers. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 18.047992706298828pt; margin-top: 18.5360107421875pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">b) Poles of a magnet </span></p><p dir="ltr" style="line-height: 1.2744901657104493; margin-bottom: 0pt; margin-left: 44.71999740600586pt; margin-right: 41.559967041015625pt; margin-top: 1.355987548828125pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">i. Each magnet has two magnetic poles, irrespective of the shape. These poles are called the North Pole and the South Pole. ii. The end of a freely suspended magnet, which points towards the geographical north, is called the North Pole. It is also referred to as north seeking pole. </span></p><p dir="ltr" style="line-height: 1.2744901657104493; margin-bottom: 0pt; margin-left: 44.71999740600586pt; margin-right: 41.4140625pt; margin-top: 0.611083984375pt; padding: 0pt 0pt 0pt 17.68799591064453pt; text-align: justify; text-indent: -17.68799591064453pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">iii. The end of a freely suspended magnet, which points towards the geographical south, is called the South Pole. It is also referred to as south seeking pole. </span></p><p dir="ltr" style="line-height: 1.269493818283081; margin-bottom: 0pt; margin-left: 44.71999740600586pt; margin-right: 41.572052001953125pt; margin-top: 0.611083984375pt; padding: 0pt 0pt 0pt 17.771995544433594pt; text-indent: -17.771995544433594pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">iv. The most important fact about magnetic poles is that they always exist in pairs. </span></p><p dir="ltr" style="line-height: 1.48274; margin: 17.011pt 52.196pt 0pt 8.66399pt; padding: 0pt 0pt 0pt 133.538pt; text-align: right; text-indent: -133.538pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">6. Observe the picture and answer the questions that follow: </span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;"><span style="border: none; display: inline-block; height: 187px; overflow: hidden; width: 244px;"><img height="187" src="https://lh6.googleusercontent.com/z_qt1v8Z0Z6ZCeVcCdXy-3y63l05hcZZwewhTrKJyD21cNsWIpo0pvvznBqHlLUWFy6HOFC03whbJql5d8dOtl0zWBf3THkCQzMXWWQ59KOsopspLvpb5QREFtx2N1XLXQrXl-f1" style="margin-left: 0px; margin-top: 0px;" width="244" /></span></span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">Iron Filings</span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 172.88744735717773pt; margin-top: 0pt;"><span style="font-family: Arial; font-size: 14.04pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">Ch. 13: Magnetism </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 8.603992462158203pt; margin-top: 21.0753173828125pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">a) Identify the type of magnet shown in the picture. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 8.135990142822266pt; margin-top: 1.35595703125pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">Ans.: Bar magnet. </span></p><p dir="ltr" style="line-height: 1.3594566822052; margin-bottom: 0pt; margin-left: 9.047992706298828pt; margin-right: 27.43218994140625pt; margin-top: 2.19598388671875pt; padding: 0pt 0pt 0pt 18pt; text-indent: -18pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">b) What can you infer about the strength of different parts of the magnet from the picture? Justify your answer. </span></p><p dir="ltr" style="line-height: 1.2794816493988037; margin-bottom: 0pt; margin-left: 8.135990142822266pt; margin-right: 40.504058837890625pt; margin-top: 0pt; padding: 0pt 0pt 0pt 0.3600006103515625pt; text-indent: -0.3600006103515625pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">Ans.: The strength of the magnet is greatest at the poles and weakest at the centre. </span></p><p dir="ltr" style="line-height: 1.2794867992401122; margin-bottom: 0pt; margin-left: 8.255992889404297pt; margin-right: 41.527984619140625pt; margin-top: 0.44122314453125pt; padding: 0pt 0pt 0pt 0.23999786376953125pt; text-indent: -0.23999786376953125pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">This can be inferred a larger concentration of iron fillings are present at the ends of the bar magnet as compared to the centre of the magnet. </span></p><p dir="ltr" style="line-height: 1.4669118404388428; margin-bottom: 0pt; margin-left: 8.57999038696289pt; margin-right: 3.6920166015625pt; margin-top: 16.7611083984375pt; padding: 0pt 0pt 0pt 0.06000518798828125pt; text-align: justify; text-indent: -0.06000518798828125pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">7. Suppose you are travelling to Antarctica (located at the South Pole) by a ship. The structure of the ship is good but its engine is old and out of order. In order to reach the destination someone gives a suggestion let’s magnetise the ship then the south seeking pole will naturally take us to the Antarctica. </span></p><p dir="ltr" style="line-height: 1.8092785835266112; margin-bottom: 0pt; margin-left: 8.075992584228516pt; margin-right: 85.60403442382812pt; margin-top: 0.846923828125pt; text-indent: 1.1039962768554688pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">Formulate an argument that will prove that this suggestion will not work. </span><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">Ans.: </span></p><p dir="ltr" style="line-height: 1.2694918155670165; margin-bottom: 0pt; margin-left: 50.720001220703125pt; margin-right: 51.727996826171875pt; margin-top: 0.1832275390625pt; padding: 0pt 0pt 0pt 36.31201171875pt; text-indent: -36.31201171875pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">i. A magnetised ship not only acquires a South Pole but also a North Pole. </span></p><p dir="ltr" style="line-height: 1.2694911003112792; margin-bottom: 0pt; margin-left: 50.720001220703125pt; margin-right: 41.3260498046875pt; margin-top: 0.661102294921875pt; padding: 0pt 0pt 0pt 35.772003173828125pt; text-indent: -35.772003173828125pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">ii. The Earth’s magnetic field attracts both poles of the ship with equal magnitude. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 8.639995574951172pt; margin-top: 15.92108154296875pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">7. Higher Order Thinking Skills (HOTS) </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 8.075992584228516pt; margin-top: 2.316009521484375pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;"> </span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">Identify the magnetic poles A and B from the following diagram. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 26.135990142822266pt; margin-right: 38.510040283203125pt; margin-top: 3.906005859375pt; text-indent: 20.066009521484375pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;"><span style="border: none; display: inline-block; height: 86px; overflow: hidden; width: 525px;"><img height="86" src="https://lh6.googleusercontent.com/-PGi09TD3cUjNZPqdGab9Xbi-2Jcag4uY4y9U9a5zurv8L-5vV22O7b29ldHQHuqd9nKOEu7I3fAbxEZ1TIXY549botKsJH5ElPPoaV5rANHPvmi79OAwlg-2rn95SmSK_FdFot-=w476-h86" style="margin-left: 0px; margin-top: 0px;" width="476" /></span></span><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">Ans.: A and B both are North poles </span></p><p dir="ltr" style="line-height: 2.0516793251037595; margin-bottom: 0pt; margin-left: 0.8760032653808594pt; margin-right: 61.50799560546875pt; margin-top: 31.337249755859375pt; text-indent: 7.67999267578125pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">8. Complete the following crossword puzzle with the help of given clues: Horizontal Vertical </span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;"><br /></span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 0.6840019226074219pt; margin-top: 0pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">3. only natural magnet </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-top: 2.3159942626953125pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">4. man-made magnet </span></p><p dir="ltr" style="line-height: 1.3594566822052; margin-bottom: 0pt; margin-left: 0.16800308227539062pt; margin-top: 2.3159942626953125pt; text-indent: 0.7080001831054688pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">5. the strength of a magnet is highest at its 8. a magnet demagnetised in short period of time </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 0.4679985046386719pt; margin-top: 0.6014251708984375pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">9. material like cobalt, iron, etc. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 14.506011962890625pt; margin-top: 0pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">1. Like poles </span></p><p dir="ltr" style="line-height: 1.3594552516937255; margin-bottom: 0pt; margin-left: 14.08599853515625pt; margin-right: 0.56597900390625pt; margin-top: 2.3159942626953125pt; padding: 0pt 0pt 0pt 0.084014892578125pt; text-indent: -0.084014892578125pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">2. magnets lose their magnetic properties 6. the Earth behaves as a huge </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 13.522003173828125pt; margin-top: 0.7214508056640625pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">__________________ magnet </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-top: 2.316009521484375pt; text-align: center;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">7. a device is used to find out direction</span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;"><br /></span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 172.88744735717773pt; margin-top: 0pt;"><span style="font-family: Arial; font-size: 14.04pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">Ch. 13: Magnetism </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 8.135990142822266pt; margin-right: -0.32000732421875pt; margin-top: 22.7353515625pt; text-indent: 19.41600799560547pt;"><span style="font-family: Arial; font-size: 14.04pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;"><span style="border: none; display: inline-block; height: 600px; overflow: hidden; width: 602px;"><img height="579" src="https://lh3.googleusercontent.com/DCQL9zGQKVDdcxOCj2zhHnjbS_NScwzzOc9agTv1pNvnw0YfcqfKEp7F-7IaMJ7O4O6lzT83hFw24dfeUuSnIOdBME7hWtDWKGAE_OPLRMFpt1jfh_qNkkfpsGVCt4X51cZEC5qS=w581-h579" style="margin-left: 0px; margin-top: 0px;" width="581" /></span></span><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">Ans.: </span><span style="color: #000099; font-family: Arial; font-size: 12pt; font-weight: 700; text-align: center; white-space: pre-wrap;">Horizontal</span><span style="color: #000099; font-family: Arial; font-size: 12pt; font-weight: 700; text-align: center; white-space: pre-wrap;"> </span><span style="color: #000099; font-family: Arial; font-size: 12pt; font-weight: 700; text-align: center; white-space: pre-wrap;"> </span><span style="color: #000099; font-family: Arial; font-size: 12pt; font-weight: 700; text-align: center; white-space: pre-wrap;"> </span><span style="color: #000099; font-family: Arial; font-size: 12pt; font-weight: 700; text-align: center; white-space: pre-wrap;"> </span><span style="color: #000099; font-family: Arial; font-size: 12pt; font-weight: 700; text-align: center; white-space: pre-wrap;"> </span><span style="color: #000099; font-family: Arial; font-size: 12pt; font-weight: 700; text-align: center; white-space: pre-wrap;"> </span><span style="color: #000099; font-family: Arial; font-size: 12pt; font-weight: 700; text-align: center; white-space: pre-wrap;"> Vertical </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 26.843990325927734pt; margin-top: 3.426025390625pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">3. magnetite<span> </span><span> </span><span> </span><span> </span><span> </span><span> </span><span> </span><span> </span><span> </span><span> </span><span> </span><span> </span><span> </span><span> </span> 1. repel </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 26.159992218017578pt; margin-top: 3.6360015869140625pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">4. artificial <span> </span><span> </span><span> </span><span> </span><span> </span><span> </span><span> </span><span> </span><span> </span><span> </span><span> </span><span> </span><span> </span><span> </span><span> </span>2. demagnetisation </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 27.035991668701172pt; margin-top: 3.5159912109375pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">5. poles<span> </span><span> </span><span> </span><span> </span><span> </span><span> </span><span> </span><span> </span><span> </span><span> </span><span> </span><span> </span><span> </span><span> </span><span> </span><span> </span> 6. bar </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 26.663990020751953pt; margin-top: 3.636016845703125pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">8. temporary <span> </span><span> </span><span> </span><span> </span><span> </span><span> </span><span> </span><span> </span><span> </span><span> </span><span> </span><span> </span><span> </span><span> </span><span> </span>7. compass </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 26.627994537353516pt; margin-top: 3.6360015869140625pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">9. magnetic </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-right: 21.56414794921875pt; margin-top: 43.59599304199219pt; text-align: right;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>></span></p><div><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;"><br /></span></div></span>DEEPAL MAKATIhttp://www.blogger.com/profile/09139325353246640272noreply@blogger.com3tag:blogger.com,1999:blog-8714579048989778922.post-40150372629707931152022-02-24T01:50:00.001-08:002022-02-24T01:50:28.401-08:00SCIENCE CHAP 14. Air Around Us WORKBOOK QUESTION ANSWER <p> <span style="font-family: Arial; font-size: 12pt; font-weight: 700; white-space: pre-wrap;">Objective type questions</span></p><span id="docs-internal-guid-c998fed8-7fff-26f8-3a07-964b19e53b03"><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-right: 1.21167pt; margin-top: 0pt; text-align: center;"><span style="font-family: Arial; font-size: 15.96pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">14. Air Around Us </span><span style="font-family: Arial; font-size: 15.96pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;"><br /></span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 21.012008666992188pt; margin-top: 47.0146484375pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">1. Choose the correct option. </span></p><p dir="ltr" style="line-height: 1.7293036937713622; margin-bottom: 0pt; margin-left: 57.72801208496094pt; margin-right: 66.75003051757812pt; margin-top: 6.595703125pt; padding: 0pt 0pt 0pt 17.831985473632812pt; text-indent: -17.831985473632812pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">a) The amount of nitrogen present in the atmosphere is __________. i) 20% ii) 78% </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 75.55999755859375pt; margin-top: 1.4630126953125pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">iii) 16% iv) 0.03% </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 40.736000061035156pt; margin-top: 5.79595947265625pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">ans: 78% </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 58.17201232910156pt; margin-top: 28.38592529296875pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">b) _________________ gas is used in extinguishing fires. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 75.55999755859375pt; margin-top: 6.7559814453125pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">i) Oxygen ii) Hydrogen </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 75.55999755859375pt; margin-top: 6.75604248046875pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">iii) Carbon dioxide iv) Nitrogen </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 39.53600311279297pt; margin-top: 5.795989990234375pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">ans: Carbon dioxide </span></p><p dir="ltr" style="line-height: 1.7293075561523437; margin-bottom: 0pt; margin-left: 57.764007568359375pt; margin-right: 94.17599487304688pt; margin-top: 28.355987548828125pt; padding: 0pt 0pt 0pt 17.795989990234375pt; text-indent: -17.795989990234375pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">c) _____________ mark the beginning of the oxygen cycle. i) Bacteria ii) Land animals iii) Sea animals iv) Plants </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 39.53600311279297pt; margin-top: 0.52294921875pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">ans: Plants </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 20.256004333496094pt; margin-top: 27.5159912109375pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">2. Name the following: </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 57.72801208496094pt; margin-top: 6.4757080078125pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">a) The excessive cutting of trees. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 40.736000061035156pt; margin-top: 5.795989990234375pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">ans: Deforestation </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 58.17201232910156pt; margin-top: 28.475997924804688pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">b) The envelope of air surrounding the earth. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 40.736000061035156pt; margin-top: 5.7960052490234375pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">ans: Atmosphere </span></p><p dir="ltr" style="line-height: 1.6493403911590576; margin-bottom: 0pt; margin-left: 40.736000061035156pt; margin-right: 63.947998046875pt; margin-top: 28.386001586914062pt; text-indent: 17.02800750732422pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">c) The method used for separation of husk from grains using wind. </span><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">ans: Winnowing </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-right: 11.33404541015625pt; margin-top: 85.41859436035156pt; text-align: right;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">Page </span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">1 </span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">of </span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">5 </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 20.44800567626953pt; margin-top: 0pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">3. State whether the following statements are true or false. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 57.72801208496094pt; margin-top: 6.61566162109375pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">a) Windmills are used to draw water from tube wells. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 40.736000061035156pt; margin-top: 5.79595947265625pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">ans: True </span></p><p dir="ltr" style="line-height: 1.6493441104888915; margin-bottom: 0pt; margin-left: 40.736000061035156pt; margin-right: 67.08206176757812pt; margin-top: 28.35595703125pt; text-indent: 17.436012268066406pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">b) The amount of water vapour present in the atmosphere is fixed. </span><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">ans: False </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 57.764007568359375pt; margin-top: 23.9825439453125pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">c) Nitrogen supports combustion. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 40.736000061035156pt; margin-top: 5.79595947265625pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">ans: False </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 19.99200439453125pt; margin-top: 27.425994873046875pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">4. Assertion-reasoning type questions: </span></p><p dir="ltr" style="line-height: 1.5893646240234374; margin-bottom: 0pt; margin-left: 39.14000701904297pt; margin-right: 1.68804931640625pt; margin-top: 6.595672607421875pt; padding: 0pt 0pt 0pt 0.33599853515625pt; text-indent: -0.33599853515625pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">In following questions, the Assertion and Reason have been put forward. Read the statements carefully and choose the correct alternative from the following: (A) Both Assertion and Reason are true and the Reason is a correct explanation of the Assertion. </span></p><p dir="ltr" style="line-height: 1.5693743705749512; margin-bottom: 0pt; margin-left: 47.09600830078125pt; margin-right: 6.56402587890625pt; margin-top: 0.82232666015625pt; padding: 0pt 0pt 0pt 24.827987670898438pt; text-indent: -24.827987670898438pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">(B) Both Assertion and Reason are true but Reason is not a correct explanation of the Assertion. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 46.85600280761719pt; margin-top: 1.022247314453125pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">(C) Assertion is true but the Reason is false. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 46.376007080078125pt; margin-top: 4.735992431640625pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">(D) Both Assertion and Reason are false. </span></p><p dir="ltr" style="line-height: 1.5693743705749512; margin-bottom: 0pt; margin-left: 57.72801208496094pt; margin-right: 15.5841064453125pt; margin-top: 6.635986328125pt; padding: 0pt 0pt 0pt 17.243988037109375pt; text-indent: -17.243988037109375pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">a) </span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">Assertion</span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">: The ruler stoops to one side, when one of the balloons tied at the two ends of a ruler is punctured. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 75.68000793457031pt; margin-top: 1.98223876953125pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">Reason</span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">: Air is invisible. </span></p><p dir="ltr" style="line-height: 1.4694106578826904; margin-bottom: 0pt; margin-left: 39.53600311279297pt; margin-right: 26.94195556640625pt; margin-top: 5.7960205078125pt; padding: 0pt 0pt 0pt 35.60399627685547pt; text-indent: -35.60399627685547pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">ans: (B) Both Assertion and Reason are true but Reason is not a correct explanation of the Assertion. </span></p><p dir="ltr" style="line-height: 1.5593762397766113; margin-bottom: 0pt; margin-left: 58.17201232910156pt; margin-right: 26.74407958984375pt; margin-top: 24.581893920898438pt; padding: 0pt 0pt 0pt 17.159988403320312pt; text-indent: -17.159988403320312pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">b) </span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">Assertion</span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">: Use of alternate sources of energy such as wind energy and solar energy should be encouraged. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-right: 69.52801513671875pt; margin-top: 2.23223876953125pt; text-align: right;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">Reason</span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">: Alternate sources of energy do not cause air pollution. </span></p><p dir="ltr" style="line-height: 1.4694119453430174; margin-bottom: 0pt; margin-left: 39.53600311279297pt; margin-right: 25.34600830078125pt; margin-top: 5.675994873046875pt; padding: 0pt 0pt 0pt 35.60399627685547pt; text-indent: -35.60399627685547pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">ans: (A) Both Assertion and Reason are true and the Reason is a correct explanation of the Assertion.</span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-right: 11.33404541015625pt; margin-top: 75.81788635253906pt; text-align: right;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">Page </span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">2 </span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">of </span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">5 </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 8.183998107910156pt; margin-top: 0pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">Theory type questions</span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 20.592010498046875pt; margin-top: 16.47601318359375pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">5. Define the following: </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 57.72801208496094pt; margin-top: 6.595703125pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">a) Oxygen cycle </span></p><p dir="ltr" style="line-height: 1.4644154548645019; margin-bottom: 0pt; margin-left: 40.736000061035156pt; margin-right: 11.1600341796875pt; margin-top: 5.79595947265625pt; padding: 0pt 0pt 0pt 34.31999969482422pt; text-indent: -34.31999969482422pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">ans: The cycle in nature in which the oxygen is consumed for respiration and is released during the process of photosynthesis is called oxygen cycle. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 58.17201232910156pt; margin-top: 24.6318359375pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">b) Air pollution </span></p><p dir="ltr" style="line-height: 1.4694080829620362; margin-bottom: 0pt; margin-left: 40.736000061035156pt; margin-right: 14.38800048828125pt; margin-top: 5.82598876953125pt; padding: 0pt 0pt 0pt 34.40399932861328pt; text-indent: -34.40399932861328pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">ans: The presence of undesirable substances in the air that cause harmful effects is known as air pollution. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 20.352005004882812pt; margin-top: 23.6219482421875pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">6. Answer the following in brief. </span></p><p dir="ltr" style="line-height: 1.5593762397766113; margin-bottom: 0pt; margin-left: 57.72801208496094pt; margin-right: 36.3260498046875pt; margin-top: 6.595703125pt; padding: 0pt 0pt 0pt 17.9639892578125pt; text-indent: -17.9639892578125pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">a) What is the significance of hair and mucus present inside the nose of human beings? </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 40.736000061035156pt; margin-top: 2.2022705078125pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">ans: They prevent the dust particles from entering our lungs. </span></p><p dir="ltr" style="line-height: 1.5610410690307617; margin-bottom: 0pt; margin-left: 58.17201232910156pt; margin-right: 7.20208740234375pt; margin-top: 28.475982666015625pt; padding: 0pt 0pt 0pt 16.8599853515625pt; text-indent: -16.8599853515625pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">b) Which harmful gases are produced by burning of fuels in automobiles and factories? </span></p><p dir="ltr" style="line-height: 1.4644128799438476; margin-bottom: 0pt; margin-left: 40.736000061035156pt; margin-right: 13.9739990234375pt; margin-top: 2.18560791015625pt; padding: 0pt 0pt 0pt 34.248008728027344pt; text-indent: -34.248008728027344pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">ans: Harmful gases such as carbon monoxide, oxides of nitrogen and hydrogen sulphide produced by burning of fuels in automobiles and factories. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 57.764007568359375pt; margin-top: 24.631866455078125pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">c) Give one use of nitrogen. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 40.736000061035156pt; margin-top: 5.7960052490234375pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">ans: It is used in the manufacture of fertilisers. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 20.32801055908203pt; margin-top: 27.5159912109375pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">7. Give reasons for the following statements. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 57.72801208496094pt; margin-top: 6.62567138671875pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">a) It is difficult to breathe at higher altitudes. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 40.736000061035156pt; margin-top: 5.6760101318359375pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">ans: As the layer of air is very thin at higher altitudes. </span></p><p dir="ltr" style="line-height: 1.6490066528320313; margin-bottom: 0pt; margin-left: 40.736000061035156pt; margin-right: 12.9000244140625pt; margin-top: 28.47600555419922pt; text-align: center;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">b) If a burning candle is covered using a tumbler, it goes off in sometime. </span><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">ans: Oxygen is necessary for burning. The candle goes off as it uses up all </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-right: 11.33404541015625pt; margin-top: 33.22593307495117pt; text-align: right;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">Page </span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">3 </span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">of </span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">5 </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 74.96000671386719pt; margin-top: 0pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">the oxygen present inside the glass. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 8.963996887207031pt; margin-top: 33.29595947265625pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">Picture based question</span></p><p dir="ltr" style="line-height: 2.5189910888671876; margin-bottom: 0pt; margin-left: 20.232009887695312pt; margin-right: 100.93402099609375pt; margin-top: 17.43597412109375pt; padding: 0pt 0pt 0pt 94.43798828125pt; text-indent: -94.43798828125pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">8. </span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">Observe the given picture and answer the questions that follow. </span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;"><span style="border: none; display: inline-block; height: 142px; overflow: hidden; width: 323px;"><img height="142" src="https://lh4.googleusercontent.com/UPEgaTIbYmwSraFUKeMClr2SHmq8DlklrUJljUX2w6F-xwLOYs8wtNqdvQyRHN1Lrs4lUh-rjdP-5ssikAFERweZ5J95jqCFKqYh_k12HQ5p9d-zB4_kre5I7rV34s71mYWwEmqQ" style="margin-left: 0px; margin-top: 0px;" width="323" /></span></span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 57.72801208496094pt; margin-top: 0pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">a) Why do you see bubbles escaping from the bottle? </span></p><p dir="ltr" style="line-height: 1.4694132328033447; margin-bottom: 0pt; margin-left: 39.53600311279297pt; margin-right: 17.46600341796875pt; margin-top: 5.795989990234375pt; padding: 0pt 0pt 0pt 35.96399688720703pt; text-indent: -35.96399688720703pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">ans: The bottle had air which escaped on tilting the bottle in the form of bubbles. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 58.17201232910156pt; margin-top: 24.58184814453125pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">b) What can you conclude from the above activity? </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 39.53600311279297pt; margin-top: 5.7960205078125pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">ans: Air occupies space. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 8.963996887207031pt; margin-top: 34.256011962890625pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">Real life learning </span></p><p dir="ltr" style="line-height: 1.4492976665496826; margin-bottom: 0pt; margin-left: 20.220008850097656pt; margin-right: 7.634033203125pt; margin-top: 16.475982666015625pt; text-align: center;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">9. </span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">There is a chemical factory in your locality that emits lots of gases into the atmosphere. The harmful effects of this are seen on people living in nearby areas. Suggest any one step that the chemical factory can follow to reduce air pollution. </span><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">ans: The chemical factory should install long chimneys so that the harmful gases are released high up in the air and away from humans. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-right: 11.33404541015625pt; margin-top: 184.66783142089844pt; text-align: right;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">Page </span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">4 </span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">of </span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">5 </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 8.963996887207031pt; margin-top: 0pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">Fun based questions</span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 21.012008666992188pt; margin-top: 16.47601318359375pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">10. Fill in the missing letters appropriately. </span></p><p dir="ltr" style="line-height: 2.0691693305969237; margin-bottom: 0pt; margin-left: 9.33599853515625pt; margin-right: 95.94003295898438pt; margin-top: 6.595703125pt; text-align: center;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">1. The process of formation of water vapour from water by heating. </span><span style="color: blue; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">E </span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">V </span><span style="color: blue; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">A </span><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">P </span><span style="color: blue; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">O R A </span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">T </span><span style="color: blue; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">I O </span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">N </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 8.639999389648438pt; margin-top: 14.14434814453125pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">2. The harmful substances present in the air. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 45.20000457763672pt; margin-top: 10.7159423828125pt;"><span style="color: blue; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">P </span><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">O </span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">L L </span><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">U T A N T </span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">S </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 8.963996887207031pt; margin-top: 28.86602783203125pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">HOTS </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 21.012008666992188pt; margin-top: 16.4759521484375pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">11. Higher Order Thinking Skills (HOTS) </span></p><p dir="ltr" style="line-height: 1.3594566822052; margin-bottom: 0pt; margin-left: 39.884002685546875pt; margin-right: 6.01409912109375pt; margin-top: 5.51568603515625pt; text-indent: 0.07199859619140625pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">What will happen if all plants were to vanish from the surface of the earth? Justify your answer. </span></p><p dir="ltr" style="line-height: 1.4594175338745117; margin-bottom: 0pt; margin-left: 2.5800018310546875pt; margin-top: 0.8414306640625pt; padding: 0pt 0pt 0pt 55.03999328613281pt; text-indent: -55.03999328613281pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">ans: </span><span style="color: #000099; font-family: "Noto Sans Symbols", sans-serif; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">∙ </span><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">As the plants mark the beginning of the oxygen cycle, no plants means no photosynthesis. </span></p><p dir="ltr" style="line-height: 1.4794062137603758; margin-bottom: 0pt; margin-left: 39.46400451660156pt; margin-right: 12.302001953125pt; margin-top: 0.92181396484375pt; padding: 0pt 0pt 0pt 17.615997314453125pt; text-indent: -17.615997314453125pt;"><span style="color: #000099; font-family: "Noto Sans Symbols", sans-serif; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">∙ </span><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">No photosynthesis means no oxygen for respiration and the very life on the earth will come to an end. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-top: 22.1019287109375pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-right: 11.33404541015625pt; margin-top: 289.62200927734375pt; text-align: right;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">Page </span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">5 </span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">of </span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">5 </span></p><div><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;"><br /></span></div></span>DEEPAL MAKATIhttp://www.blogger.com/profile/09139325353246640272noreply@blogger.com0tag:blogger.com,1999:blog-8714579048989778922.post-36590033277845623402022-02-07T03:46:00.002-08:002022-02-07T03:46:05.988-08:00SCIENCE CHAP 12 ELECTRICITY & CIRCUITS WORKBOOK QUES - ANSWER<p> <span style="font-family: Arial; font-size: 12pt; font-weight: 700; text-align: center; white-space: pre-wrap;">Ch 12. Electricity and Circuits </span></p><span id="docs-internal-guid-2f6ff558-7fff-3e91-3435-6fb405f63b11"><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 1.1880264282226562pt; margin-top: 12.39599609375pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">1. Choose the correct option. </span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">(Ap/U) </span></p><p dir="ltr" style="line-height: 1.3594566822052; margin-bottom: 0pt; margin-left: 14.028022766113281pt; margin-right: 25.38409423828125pt; margin-top: 6.095703125pt; padding: 0pt 0pt 0pt 24.083999633789062pt; text-indent: -24.083999633789062pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">a) Which of the following materials allow an electric current to pass through them? </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 38.70001983642578pt; margin-top: 4.681396484375pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">i) Cotton ii) Copper </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 38.70001983642578pt; margin-top: 6.39599609375pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">iii) Wood iv) Plastic </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 0.00002288818359375pt; margin-top: 5.19598388671875pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">Ans: Copper </span></p><p dir="ltr" style="line-height: 1.349460983276367; margin-bottom: 0pt; margin-left: 14.472023010253906pt; margin-right: 35.46405029296875pt; margin-top: 26.67596435546875pt; padding: 0pt 0pt 0pt 23.952003479003906pt; text-indent: -23.952003479003906pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">b) A dry cell consists of zinc metal that acts as the__________ terminal and a carbon rod that acts as the ___________ terminal of the cell. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 38.70001983642578pt; margin-top: 4.9013671875pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">i) negative, negative ii) positive, negative </span></p><p dir="ltr" style="line-height: 1.5993610382080077; margin-bottom: 0pt; margin-left: 0.00002288818359375pt; margin-right: 73.6240234375pt; margin-top: 6.27593994140625pt; text-indent: 38.69999694824219pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">iii) negative, positive iv) negative, negative </span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">Ans: negative, positive </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 14.06402587890625pt; margin-top: 22.682403564453125pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">c) _________ acts as the negative terminal of a bulb. </span></p><p dir="ltr" style="line-height: 1.6443424701690674; margin-bottom: 0pt; margin-left: 0.00005340576171875pt; margin-right: 65.35598754882812pt; margin-top: 6.2760009765625pt; text-indent: 38.69996643066406pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">i) bottom of the bulb ii) Ammonium chloride iii) metal case iv) Manganese dioxide </span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">Ans: metal case </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 0.4320220947265625pt; margin-top: 21.152557373046875pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">2. State true or false: </span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">(U) </span></p><p dir="ltr" style="line-height: 1.3594566822052; margin-bottom: 0pt; margin-left: 14.028022766113281pt; margin-right: -0.2958984375pt; margin-top: 6.095672607421875pt; padding: 0pt 0pt 0pt 24.804000854492188pt; text-indent: -24.804000854492188pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">a) Electricity is a form of energy resulting from the existence of charged particles. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 0.00002288818359375pt; margin-top: 3.601409912109375pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">Ans: True </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 14.472023010253906pt; margin-top: 25.71600341796875pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">b) We should use water to extinguish a fire in electric wires. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 0.0000457763671875pt; margin-top: 5.196014404296875pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">Ans: False </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 14.06402587890625pt; margin-top: 25.715988159179688pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">c) Electrons do not revolve around the nucleus in fixed orbits. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 38.820037841796875pt; margin-top: 5.1959991455078125pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">False </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 0.6240310668945312pt; margin-top: 26.676010131835938pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">3. Give an example for each of the following. </span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">(Ap) </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 14.028022766113281pt; margin-top: 6.09564208984375pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">a) Natural resources used to generate electricity </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-top: 5.1959991455078125pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">Ans: Sun, wind, water and nuclear energy</span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 14.472023010253906pt; margin-top: 0pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">b) Secondary cells </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 0.000030517578125pt; margin-top: 5.19598388671875pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">Ans: Car batteries </span></p><p dir="ltr" style="line-height: 1.2430088996887207; margin-bottom: 0pt; margin-left: 0.16802215576171875pt; margin-right: 7.239990234375pt; margin-top: 25.7159423828125pt; padding: 0pt 0pt 0pt 37.75202178955078pt; text-indent: -37.75202178955078pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">4. In the following questions, two statements are given- one labelled Assertion (A) and the other labelled Reason (R). Read the statements carefully and choose the correct alternative (A), (B), (C) and (D) as given below. </span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">(An) </span></p><p dir="ltr" style="line-height: 1.4394239902496337; margin-bottom: 0pt; margin-left: 39.516021728515625pt; margin-right: -0.29595947265625pt; margin-top: 5.78094482421875pt; text-indent: 0.0000457763671875pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">(A) Both A and R are true and R is the correct explanation of the assertion. (B) Both A and R are true but R is not the correct explanation of the assertion. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 39.516021728515625pt; margin-top: 1.841796875pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">(C) A is true but R is false. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 39.516021728515625pt; margin-top: 4.35595703125pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">(D) A is false but R is true. </span></p><p dir="ltr" style="line-height: 1.4394239902496337; margin-bottom: 0pt; margin-left: 14.028022766113281pt; margin-right: -0.2958984375pt; margin-top: 6.27593994140625pt; padding: 0pt 0pt 0pt 24.083999633789062pt; text-indent: -24.083999633789062pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">a) </span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">Assertion : </span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">In an electric bulb, the filament is made up tungsten. </span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">Reason: </span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">Tungsten does not melt even when the filament glows at a very high temperature. </span></p><p dir="ltr" style="line-height: 1.2694911003112792; margin-bottom: 0pt; margin-left: 38.196022033691406pt; margin-right: 51.4000244140625pt; margin-top: 3.041748046875pt; text-indent: 0.5880050659179688pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">(A) Both A and R are true and R is the correct explanation of the assertion. </span></p><p dir="ltr" style="line-height: 1.3594566822052; margin-bottom: 0pt; margin-left: 14.472023010253906pt; margin-right: 21.784027099609375pt; margin-top: 25.861114501953125pt; padding: 0pt 0pt 0pt 24.35999298095703pt; text-indent: -24.35999298095703pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">b) </span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">Assertion: </span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">If you notice a spark in a switch, put it off immediately with the help of a metal stick. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 38.82002258300781pt; margin-top: 2.64141845703125pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">Reason: </span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">Metal is a good conductor of electricity. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 38.784027099609375pt; margin-top: 5.316009521484375pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">(D) A is false but R is true. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 0.7680282592773438pt; margin-top: 26.555999755859375pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">5. Explain the following: </span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">(U) </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 14.028022766113281pt; margin-top: 6.09564208984375pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">a) Nucleus </span></p><p dir="ltr" style="line-height: 1.2668190479278565; margin-bottom: 0pt; margin-left: 0.0000152587890625pt; margin-right: 41.679931640625pt; margin-top: 5.196014404296875pt; padding: 0pt 0pt 0pt 38.63999938964844pt; text-indent: -38.63999938964844pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">Ans: Protons and neutrons form the central part of the atom called the nucleus. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 14.472023010253906pt; margin-top: 25.981094360351562pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">b) Conductors </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 0.0000152587890625pt; margin-top: 5.1959991455078125pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">Ans: The materials that allow an electric current to flow through them. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 0.5280227661132812pt; margin-top: 25.59600830078125pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">6. Answer the following questions in brief. </span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">(R/U) </span></p><p dir="ltr" style="line-height: 1.3815073013305663; margin-bottom: 0pt; margin-right: 2.0799560546875pt; margin-top: 6.09564208984375pt; text-indent: 14.028022766113281pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">a) What is an electric cell? Name the two types of electric cells. </span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">Ans: Electric cell is a device that generates an electric current. It converts chemical energy into electrical energy. Electric cells are of various shapes and sizes. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 38.81999969482422pt; margin-top: 1.4481964111328125pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">Primary cell/dry cell and secondary cell/lead-acid accumulators</span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;"><br /></span></p><p dir="ltr" style="line-height: 1.349460983276367; margin-bottom: 0pt; margin-top: 0pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">b) Name the scientist who has discovered electricity. Why is electricity important? </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-top: 3.8214111328125pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">Ans: Benjamin Franklin </span></p><p dir="ltr" style="line-height: 1.2744915962219239; margin-bottom: 0pt; margin-top: 3.39593505859375pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">All gadgets and devices like computers, televisions, washing machines, refrigerators, fans, air conditioners, etc. which make our lives comfortable work on electricity. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-top: 24.7310791015625pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">7. State the function of each of the following: </span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">(R) </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-top: 6.215576171875pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">a) Electric switch </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-top: 5.19598388671875pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">Ans: An electric switch is used to open or close an electric circuit. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-top: 26.67596435546875pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">b) The plastic coating of electric wires </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-top: 5.19598388671875pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">Ans: Protect us from getting electric shocks. </span></p><p dir="ltr" style="line-height: 1.3544576168060303; margin-bottom: 0pt; margin-top: 26.67596435546875pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">8. </span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">You are given two dry cells, switch and bulb. Draw an electric torch showing two dry cells. Which component of the torch is responsible for the flow of electric current? </span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">(C) </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-top: 3.77142333984375pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">Ans: </span></p><p dir="ltr" style="line-height: 1.2694911003112792; margin-bottom: 0pt; margin-top: 132.39599609375pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">The electric cells inside the torch are responsible for the flow of electric current. </span></p><p dir="ltr" style="line-height: 16.70331573486328; margin-bottom: 0pt; margin-top: 25.981109619140625pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">9. </span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">Observe the picture and answer the questions that follow. </span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">(Ap) </span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">(a) (b) (c)</span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;"><br /></span></p><p dir="ltr" style="line-height: 1.5993610382080077; margin-bottom: 0pt; margin-left: 38.136024475097656pt; margin-right: 65.2239990234375pt; margin-top: 0pt; padding: 0pt 0pt 0pt 0.6480026245117188pt; text-indent: -0.6480026245117188pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">In which of the following arrangements will the bulb? Give Reason. </span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">(b) </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 38.112022399902344pt; margin-top: 0pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">In (b), the bulb will glow as the circuit is complete. </span></p><p dir="ltr" style="line-height: 1.35612473487854; margin-bottom: 0pt; margin-left: 1.1880264282226562pt; margin-right: 3.90399169921875pt; margin-top: 46.95587158203125pt; padding: 0pt 0pt 0pt 36.816017150878906pt; text-indent: -36.816017150878906pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">10. </span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">Aditya performed an experiment to observe the flow of electric current through an electric bulb. The bulb is connected to the cells in two different ways as shown in (a) and (b). Which of these is the correct way to connect the bulb? Why? </span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">(U) </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-right: 91.51602172851562pt; margin-top: 163.59475708007812pt; text-align: right;"><span style="font-family: Arial; font-size: 20pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;"><span style="font-size: 0.6em; vertical-align: sub;">(a) </span></span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">(b)</span></p><p dir="ltr" style="line-height: 1.279489231109619; margin-bottom: 0pt; margin-left: 38.28002166748047pt; margin-right: -0.32000732421875pt; margin-top: 9.255462646484375pt; text-indent: 0.5040054321289062pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">(b) To complete the circuit and for the flow of current in the electric circuit, the arrangement of cells are in correct order. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 1.1880264282226562pt; margin-top: 24.68109130859375pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">11. Who am I ? </span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">(U) </span></p><p dir="ltr" style="line-height: 1.349460983276367; margin-bottom: 0pt; margin-left: 19.272018432617188pt; margin-right: 13.38409423828125pt; margin-top: 6.39599609375pt; padding: 0pt 0pt 0pt 18.900001525878906pt; text-indent: -18.900001525878906pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">1. I am displayed on electric poles and transformers, warning you to stay away from me. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 38.82002258300781pt; margin-top: 3.821380615234375pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">Danger sign </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 18.576026916503906pt; margin-top: 27.636016845703125pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">2. I am a continuous flow of electrons </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 38.81999969482422pt; margin-top: 5.1959991455078125pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">Electric current </span></p><p dir="ltr" style="line-height: 1.3594552516937255; margin-bottom: 0pt; margin-left: 18.66002655029297pt; margin-right: 8.464111328125pt; margin-top: 27.636001586914062pt; padding: 0pt 0pt 0pt 19.727996826171875pt; text-indent: -19.727996826171875pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">3. I am round in shape. I provide energy to electronic devices like wrist watches and pocket calculators. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 38.820037841796875pt; margin-top: 3.6014556884765625pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">Button cell </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 1.1880264282226562pt; margin-top: 0pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">12. Higher Order Thinking Skills </span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">(HOTS) (U) </span></p><p dir="ltr" style="line-height: 1.3594515323638916; margin-bottom: 0pt; margin-left: 38.38804626464844pt; margin-right: 3.06402587890625pt; margin-top: 6.09564208984375pt; text-indent: 0.1799774169921875pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">Seema was testing electric circuits. She tested two conditions as given in fig A and fig B. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 109.46001434326172pt; margin-top: 18.60150146484375pt;"><span id="docs-internal-guid-e363994c-7fff-b2fd-8b97-be7beae69e64"><span style="font-family: Arial; font-size: 20pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;"><span style="font-size: 0.6em; vertical-align: super;">REFER TO TEXTBOOK FOR DRAWING</span></span></span></p><p dir="ltr" style="line-height: 1.5993610382080077; margin-bottom: 0pt; margin-left: 7.8360443115234375pt; margin-right: 89.40399169921875pt; margin-top: 31.91448974609375pt; padding: 0pt 0pt 0pt 30.287994384765625pt; text-indent: -30.287994384765625pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">(a) What will be the direction of flow of current in fig A and fig B? </span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">fig A – P to Q </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 38.124046325683594pt; margin-top: 0pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">fig B – Q to P </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 7.836051940917969pt; margin-top: 26.675994873046875pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">(b) In which of the above figures will the bulb glow? </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 38.82006072998047pt; margin-top: 5.196014404296875pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">Both fig A and fig B </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 1.5360260009765625pt; margin-top: 25.835968017578125pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> </span></p><div><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;"><br /></span></div></span>DEEPAL MAKATIhttp://www.blogger.com/profile/09139325353246640272noreply@blogger.com1tag:blogger.com,1999:blog-8714579048989778922.post-50603910197030963492022-02-07T03:42:00.000-08:002022-02-07T03:42:06.692-08:00SCIENCE CHAP ELECTRICITY & CIRCUITS TEXTUAL Q-ANS<p><img height="480" src="https://lh6.googleusercontent.com/Rc8IY_jVUxPI6lfI7J0K4sUpOseoXnCeFI5XLS3uGWhiuPA_ZHjcuqR3ZmQqONjRNgn5r_FAwfoq_DTDHwOoiSAOMKbCKYXK0zxi4VL4Dv-ZDbJzNqgQxmwN5N51N13CrTZFFdm9=w651-h480" style="font-family: Arial; font-size: 11pt; margin-left: 0px; margin-top: 0px; white-space: pre-wrap;" width="651" /></p><p><span id="docs-internal-guid-d36283c4-7fff-2a49-02dc-57ab572d9cdd"><span style="font-family: Arial; font-size: 11pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;"><span style="border: none; display: inline-block; height: 774px; overflow: hidden; width: 723px;"><img height="774" src="https://lh4.googleusercontent.com/UQdwIYk6LAmInuBsNxuSoH7_NPjxGXjzPIowpfyT8WPcdz57dCY7VDyGKKhMNWwDVPJAOgUAM_-AZwU8ZDI1sAVJK4kTHN2RuE_9jrEtQpYu1kwc4zgLiVaCGTCl3Zy6s00wjXjh" style="margin-left: 0px; margin-top: 0px;" width="723" /></span></span></span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 36.673919677734375pt; margin-top: 0pt;"><span style="background-color: transparent; color: black; font-family: Calibri,sans-serif; font-size: 14.039999961853026pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">Q5 Answer following questions in one word or one sentence. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 54.63180160522461pt; margin-top: 13.37530517578125pt;"><span style="background-color: transparent; color: black; font-family: Calibri,sans-serif; font-size: 14.039999961853026pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">a. What forms the negative terminal of a dry cell? </span></p><p dir="ltr" style="line-height: 1.4011546611785888; margin-bottom: 0pt; margin-left: 72.2626724243164pt; margin-right: 60.7015380859375pt; margin-top: 3.31536865234375pt; padding: 0pt 0pt 0pt 0.8143234252929688pt; text-indent: -0.8143234252929688pt;"><span style="background-color: transparent; color: black; font-family: Calibri,sans-serif; font-size: 14.039999961853026pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">Answer:-The outer covering of a dry cell consists of zinc metal which acts as the negative terminal for the dry cell. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 55.053001403808594pt; margin-top: 20.5018310546875pt;"><span style="background-color: transparent; color: black; font-family: Calibri,sans-serif; font-size: 14.039999961853026pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">b. Give one example of a conductor. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 72.2626724243164pt; margin-top: 3.29534912109375pt;"><span style="background-color: transparent; color: black; font-family: Calibri,sans-serif; font-size: 14.039999961853026pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">Answer:- copper </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 54.617759704589844pt; margin-top: 22.975341796875pt;"><span style="background-color: transparent; color: black; font-family: Calibri,sans-serif; font-size: 14.039999961853026pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">c. What are insulators? </span></p><p dir="ltr" style="line-height: 1.4032839775085448; margin-bottom: 0pt; margin-left: 72.2626724243164pt; margin-right: 30.9976806640625pt; margin-top: 3.17535400390625pt; padding: 0pt 0pt 0pt 0.673919677734375pt; text-indent: -0.673919677734375pt;"><span style="background-color: transparent; color: black; font-family: Calibri,sans-serif; font-size: 14.039999961853026pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">Answer:- The materials that do not allow any current to pass through them are called insulators.Eg:- Rubber,wood </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 54.659881591796875pt; margin-top: 20.596954345703125pt;"><span style="background-color: transparent; color: black; font-family: Calibri,sans-serif; font-size: 14.039999961853026pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">d. In which direction does a current flow in a circuit ? </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-top: 3.17529296875pt; text-align: center;"><span style="background-color: transparent; color: black; font-family: Calibri,sans-serif; font-size: 14.039999961853026pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">Answer:- Current flows in a circuit from positive terminal to negative terminal. </span></p><p dir="ltr" style="line-height: 1.4011496543884276; margin-bottom: 0pt; margin-left: 54.63180160522461pt; margin-right: 80.79827880859375pt; margin-top: 22.97528076171875pt; padding: 0pt 0pt 0pt 17.630870819091797pt; text-indent: -17.630870819091797pt;"><span style="background-color: transparent; color: black; font-family: Calibri,sans-serif; font-size: 14.039999961853026pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">e. What is the central part of an atom made up of protons and neutrons called? Answer:- Nucleus. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 72.69791412353516pt; margin-top: 20.5218505859375pt;"><span style="background-color: transparent; color: black; font-family: Calibri,sans-serif; font-size: 14.039999961853026pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">Q6 Answer the following questions in short. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 72.65579223632812pt; margin-top: 3.295318603515625pt;"><span style="background-color: transparent; color: black; font-family: Calibri,sans-serif; font-size: 14.039999961853026pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">a. What is an electric circuit? State its components. </span></p><p dir="ltr" style="line-height: 1.4011473655700684; margin-bottom: 0pt; margin-left: 90.2626724243164pt; margin-right: 44.048828125pt; margin-top: 3.2952880859375pt; padding: 0pt 0pt 0pt 0.39311981201171875pt; text-indent: -0.39311981201171875pt;"><span style="background-color: transparent; color: black; font-family: Calibri,sans-serif; font-size: 14.039999961853026pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">Answer :- The complete path through which an electric current flows is called an electric circuit. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 90.2626724243164pt; margin-top: 0.701873779296875pt;"><span style="background-color: transparent; color: black; font-family: Calibri,sans-serif; font-size: 14.039999961853026pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">An electric circuit consists of following components:</span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 91.5pt; margin-top: 13.97528076171875pt;"><span style="background-color: transparent; color: black; font-family: Calibri,sans-serif; font-size: 14.039999961853026pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;"><span style="border: none; display: inline-block; height: 167px; overflow: hidden; width: 377px;"><img height="167" src="https://lh3.googleusercontent.com/spRkeRPw1ygZagcM_yb4ltf1XiR7q3JCNf4pKjJ5GIufE9Hv5ki5Z5XDGfimtDnN2eMAK_GxKXhZQLqL_RITWHp8STRQy6hjY506BSrKRqjAYtpQHze-gCmeyQhLcdcNhwayHU1h" style="margin-left: 0px; margin-top: 0px;" width="377" /></span></span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 73.07699584960938pt; margin-top: 0pt;"><span style="background-color: transparent; color: black; font-family: Calibri,sans-serif; font-size: 14.039999961853026pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">b. State the difference between conductors and insulators. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 90.2626724243164pt; margin-top: 3.29534912109375pt;"><span style="background-color: transparent; color: black; font-family: Calibri,sans-serif; font-size: 14.039999961853026pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">Answer:- </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-right: 67.3599853515625pt; margin-top: 3.8453369140625pt; text-align: right;"><span style="background-color: transparent; color: black; font-family: Calibri,sans-serif; font-size: 14.039999961853026pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;"><span style="border: none; display: inline-block; height: 264px; overflow: hidden; width: 578px;"><img height="264" src="https://lh6.googleusercontent.com/QVmLle8vsVuwsZBHKtcsS8uKlVgHhNl9n5Ixg7R5MxweBBx3CC7O6YXst6j-ijS0vAAxK4G90_UaUJuCrNRLdO4SXPwSdQaOY-K7aPcVNwloYt7eFX16alsH7qwYkhTZ36LbrkL1" style="margin-left: 0px; margin-top: 0px;" width="578" /></span></span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 72.64175415039062pt; margin-top: 0pt;"><span style="background-color: transparent; color: black; font-family: Calibri,sans-serif; font-size: 14.039999961853026pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">c. State the difference between open circuit and closed circuit? </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 90.2626724243164pt; margin-top: 3.295318603515625pt;"><span style="background-color: transparent; color: black; font-family: Calibri,sans-serif; font-size: 14.039999961853026pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">Answer:- </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 90pt; margin-top: 3.765289306640625pt;"><span style="background-color: transparent; color: black; font-family: Calibri,sans-serif; font-size: 14.039999961853026pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;"><span style="border: none; display: inline-block; height: 306px; overflow: hidden; width: 521px;"><img height="306" src="https://lh3.googleusercontent.com/le0OwfI5Tl9kRKuFN2t-XEcARwnfUWidLOAWlkX-h1JIf5WEsui1KFeG5PpaJ9x9AbIVPwWC5sA3R2BFDpaelmzZlSOKnzf4knki_4ap_5159YNm1jXXFjk36xuOhA52Aqui9J3n" style="margin-left: 0px; margin-top: 0px;" width="521" /></span></span></p><p dir="ltr" style="line-height: 1.4011499404907226; margin-bottom: 0pt; margin-left: 72.68387603759766pt; margin-right: 115.8414306640625pt; margin-top: 0pt; padding: 0pt 0pt 0pt 17.57879638671875pt; text-indent: -17.57879638671875pt;"><span style="background-color: transparent; color: black; font-family: Calibri,sans-serif; font-size: 14.039999961853026pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">d. Name the type of electric cells, State one difference between them. Answer:- There are two types of electric cell </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 91.21739196777344pt; margin-top: 0.941864013671875pt;"><span style="background-color: transparent; color: black; font-family: Calibri,sans-serif; font-size: 14.039999961853026pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">1. Primary cell </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 90.81023406982422pt; margin-top: 3.175323486328125pt;"><span style="background-color: transparent; color: black; font-family: Calibri,sans-serif; font-size: 14.039999961853026pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">2. Secondary cell </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 109.19935607910156pt; margin-top: 3.2953262329101562pt;"><span style="background-color: transparent; color: black; font-family: Calibri,sans-serif; font-size: 14.039999961853026pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">Difference between primary and secondary cell.</span></p><div align="left" dir="ltr" style="margin-left: 102.3800048828125pt;"><table style="border-collapse: collapse; border: none;"><colgroup><col width="317"></col><col width="322"></col></colgroup><tbody><tr style="height: 17.543930053710938pt;"><td style="border-bottom: solid #000000 1pt; border-left: solid #000000 1pt; border-right: solid #000000 1pt; border-top: solid #000000 1pt; overflow-wrap: break-word; overflow: hidden; padding: 5pt 5pt 5pt 5pt; vertical-align: top;"><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-top: 0pt; text-align: center;"><span style="background-color: transparent; color: black; font-family: Calibri,sans-serif; font-size: 14.039999961853026pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">Primary Cell </span></p></td><td style="border-bottom: solid #000000 1pt; border-left: solid #000000 1pt; border-right: solid #000000 1pt; border-top: solid #000000 1pt; overflow-wrap: break-word; overflow: hidden; padding: 5pt 5pt 5pt 5pt; vertical-align: top;"><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-top: 0pt; text-align: center;"><span style="background-color: transparent; color: black; font-family: Calibri,sans-serif; font-size: 14.039999961853026pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">Secondary Cell</span></p></td></tr><tr style="height: 17.640003204345703pt;"><td style="border-bottom: solid #000000 1pt; border-left: solid #000000 1pt; border-right: solid #000000 1pt; border-top: solid #000000 1pt; overflow-wrap: break-word; overflow: hidden; padding: 5pt 5pt 5pt 5pt; vertical-align: top;"><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 6.8193511962890625pt; margin-top: 0pt;"><span style="background-color: transparent; color: black; font-family: Calibri,sans-serif; font-size: 14.039999961853026pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">Primary cells are batteries that cannot </span></p></td><td style="border-bottom: solid #000000 1pt; border-left: solid #000000 1pt; border-right: solid #000000 1pt; border-top: solid #000000 1pt; overflow-wrap: break-word; overflow: hidden; padding: 5pt 5pt 5pt 5pt; vertical-align: top;"><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 6.151397705078125pt; margin-top: 0pt;"><span style="background-color: transparent; color: black; font-family: Calibri,sans-serif; font-size: 14.039999961853026pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">Secondary cells are batteries that be </span></p></td></tr></tbody></table></div><p><b id="docs-internal-guid-f8d779a0-7fff-bdc1-10ff-6f9423deb23b" style="font-weight: normal;"><br /><br /></b></p><div align="left" dir="ltr" style="margin-left: 102.3800048828125pt;"><table style="border-collapse: collapse; border: none;"><colgroup><col width="317"></col><col width="322"></col></colgroup><tbody><tr style="height: 34.6800537109375pt;"><td style="border-bottom: solid #000000 1pt; border-left: solid #000000 1pt; border-right: solid #000000 1pt; border-top: solid #000000 1pt; overflow-wrap: break-word; overflow: hidden; padding: 5pt 5pt 5pt 5pt; vertical-align: top;"><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 6.6929931640625pt; margin-top: 0pt;"><span style="background-color: transparent; color: black; font-family: Calibri,sans-serif; font-size: 14.039999961853026pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">be recharged or reused </span></p></td><td style="border-bottom: solid #000000 1pt; border-left: solid #000000 1pt; border-right: solid #000000 1pt; border-top: solid #000000 1pt; overflow-wrap: break-word; overflow: hidden; padding: 5pt 5pt 5pt 5pt; vertical-align: top;"><p dir="ltr" style="line-height: 1.221737766265869; margin-bottom: 0pt; margin-left: 6.29180908203125pt; margin-right: 27.62109375pt; margin-top: 0pt; text-indent: 0.42120361328125pt;"><span style="background-color: transparent; color: black; font-family: Calibri,sans-serif; font-size: 14.039999961853026pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">recharged or reused (known as lead acid accumulator)</span></p></td></tr><tr style="height: 34.70001220703125pt;"><td style="border-bottom: solid #000000 1pt; border-left: solid #000000 1pt; border-right: solid #000000 1pt; border-top: solid #000000 1pt; overflow-wrap: break-word; overflow: hidden; padding: 5pt 5pt 5pt 5pt; vertical-align: top;"><p dir="ltr" style="line-height: 1.221737766265869; margin-bottom: 0pt; margin-left: 5.738273620605469pt; margin-right: 27.850830078125pt; margin-top: 0pt; padding: 0pt 0pt 0pt 0.5335159301757812pt; text-indent: -0.5335159301757812pt;"><span style="background-color: transparent; color: black; font-family: Calibri,sans-serif; font-size: 14.039999961853026pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">Two types of dry cells are pencil cell and button cell</span></p></td><td style="border-bottom: solid #000000 1pt; border-left: solid #000000 1pt; border-right: solid #000000 1pt; border-top: solid #000000 1pt; overflow-wrap: break-word; overflow: hidden; padding: 5pt 5pt 5pt 5pt; vertical-align: top;"><p dir="ltr" style="line-height: 1.221737766265869; margin-bottom: 0pt; margin-left: 6.27777099609375pt; margin-right: 3.82476806640625pt; margin-top: 0pt; text-indent: 0.0421142578125pt;"><span style="background-color: transparent; color: black; font-family: Calibri,sans-serif; font-size: 14.039999961853026pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">Car batteries are examples of secondary cells</span></p></td></tr><tr style="height: 17.63995361328125pt;"><td style="border-bottom: solid #000000 1pt; border-left: solid #000000 1pt; border-right: solid #000000 1pt; border-top: solid #000000 1pt; overflow-wrap: break-word; overflow: hidden; padding: 5pt 5pt 5pt 5pt; vertical-align: top;"><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 6.299873352050781pt; margin-top: 0pt;"><span style="background-color: transparent; color: black; font-family: Calibri,sans-serif; font-size: 14.039999961853026pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">Can be used only once </span></p></td><td style="border-bottom: solid #000000 1pt; border-left: solid #000000 1pt; border-right: solid #000000 1pt; border-top: solid #000000 1pt; overflow-wrap: break-word; overflow: hidden; padding: 5pt 5pt 5pt 5pt; vertical-align: top;"><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 6.31988525390625pt; margin-top: 0pt;"><span style="background-color: transparent; color: black; font-family: Calibri,sans-serif; font-size: 14.039999961853026pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">Can be used more than once</span></p></td></tr></tbody></table></div><p><b style="font-weight: normal;"><br /><br /></b></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 72.65579223632812pt; margin-top: 0pt;"><span style="background-color: transparent; color: black; font-family: Calibri,sans-serif; font-size: 14.039999961853026pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">e. What is an electric current? list some source of electric current. </span></p><p dir="ltr" style="line-height: 1.4011460781097411; margin-bottom: 0pt; margin-left: 90.2626724243164pt; margin-right: 81.9927978515625pt; margin-top: 3.29541015625pt; padding: 0pt 0pt 0pt 0.25272369384765625pt; text-indent: -0.25272369384765625pt;"><span style="background-color: transparent; color: black; font-family: Calibri,sans-serif; font-size: 14.039999961853026pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">Answer:- An electric current is the flow of charge due to electrical energy. Sources of electric current </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 91.21739196777344pt; margin-top: 0.94195556640625pt;"><span style="background-color: transparent; color: black; font-family: Calibri,sans-serif; font-size: 14.039999961853026pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">1. Coal, petroleum </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 90.81023406982422pt; margin-top: 3.20538330078125pt;"><span style="background-color: transparent; color: black; font-family: Calibri,sans-serif; font-size: 14.039999961853026pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">2. Sun </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 90.72599792480469pt; margin-top: 3.29534912109375pt;"><span style="background-color: transparent; color: black; font-family: Calibri,sans-serif; font-size: 14.039999961853026pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">3. Wind </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 90.34691619873047pt; margin-top: 3.29534912109375pt;"><span style="background-color: transparent; color: black; font-family: Calibri,sans-serif; font-size: 14.039999961853026pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">4. Water </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 90.71195220947266pt; margin-top: 3.2952880859375pt;"><span style="background-color: transparent; color: black; font-family: Calibri,sans-serif; font-size: 14.039999961853026pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">5. Nuclear energy </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 90.75407409667969pt; margin-top: 3.2952880859375pt;"><span style="background-color: transparent; color: black; font-family: Calibri,sans-serif; font-size: 14.039999961853026pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">6. Oil </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 90.69791412353516pt; margin-top: 3.17529296875pt;"><span style="background-color: transparent; color: black; font-family: Calibri,sans-serif; font-size: 14.039999961853026pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">7. Gas </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 108.69391632080078pt; margin-top: 22.975311279296875pt;"><span style="background-color: transparent; color: black; font-family: Calibri,sans-serif; font-size: 14.039999961853026pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">Q.7 Give reason: </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 108.65179443359375pt; margin-top: 22.875274658203125pt;"><span style="background-color: transparent; color: black; font-family: Calibri,sans-serif; font-size: 14.039999961853026pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">a. wires have a plastic and rubber covering. </span></p><p dir="ltr" style="line-height: 1.4011496543884276; margin-bottom: 0pt; margin-left: 108.25867462158203pt; margin-right: 37.89630126953125pt; margin-top: 3.2952880859375pt; padding: 0pt 0pt 0pt 0.12636566162109375pt; text-indent: -0.12636566162109375pt;"><span style="background-color: transparent; color: black; font-family: Calibri,sans-serif; font-size: 14.039999961853026pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">Answer:- Plastic and rubber are insulators which prevent current to flow from wire and protects us from electric shocks. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 37.053001403808594pt; margin-top: 40.181854248046875pt;"><span style="background-color: transparent; color: black; font-family: Calibri,sans-serif; font-size: 14.039999961853026pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">b. copper wire is used instead of wood in an electric circuit. </span></p><p dir="ltr" style="line-height: 1.4032846927642821; margin-bottom: 0pt; margin-left: 36.23868179321289pt; margin-right: 26.904296875pt; margin-top: 3.295318603515625pt; padding: 0pt 0pt 0pt 0.3790779113769531pt; text-indent: -0.3790779113769531pt;"><span style="background-color: transparent; color: black; font-family: Calibri,sans-serif; font-size: 14.039999961853026pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">Answer:- copper wire is a good conductor of electricity and wood is an insulator. That is why copper wire is used in electric circuits. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 36.617759704589844pt; margin-top: 20.476898193359375pt;"><span style="background-color: transparent; color: black; font-family: Calibri,sans-serif; font-size: 14.039999961853026pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">c. It is advisable not to put our hands inside a plug socket. </span></p><p dir="ltr" style="line-height: 1.4011489391326903; margin-bottom: 0pt; margin-left: 36.23868179321289pt; margin-right: 35.299072265625pt; margin-top: 3.2953338623046875pt; padding: 0pt 0pt 0pt 0.3229179382324219pt; text-indent: -0.3229179382324219pt;"><span style="background-color: transparent; color: black; font-family: Calibri,sans-serif; font-size: 14.039999961853026pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">Answer:- Our body is a good conductor of electric current and hence we can get an electric shock if we put our finger inside a plug a socket. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 36.659881591796875pt; margin-top: 20.62188720703125pt;"><span style="background-color: transparent; color: black; font-family: Calibri,sans-serif; font-size: 14.039999961853026pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">d. Tungsten is used as a filament in a bulb. </span></p><p></p><p dir="ltr" style="line-height: 1.402856969833374; margin-bottom: 0pt; margin-left: 36.23868179321289pt; margin-right: 15.18267822265625pt; margin-top: 3.1713180541992188pt; padding: 0pt 0pt 0pt 0.8143196105957031pt; text-indent: -0.8143196105957031pt;"><span style="background-color: transparent; color: black; font-family: Calibri,sans-serif; font-size: 14.039999961853026pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">Answer:- Tungsten is used as a filament in a bulb because the melting point of tungsten is very high hence it does not melt even when the filament glows at a very high temperature.</span></p><div><span style="background-color: transparent; color: black; font-family: Calibri,sans-serif; font-size: 14.039999961853026pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;"><span id="docs-internal-guid-9af0401c-7fff-e83e-7aef-adc233d14300"><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 36.673919677734375pt; margin-top: 0pt;"><span style="font-size: 14.04pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline;">Q.8 Answer the following questions in detail. </span></p><p dir="ltr" style="line-height: 1.3940324306488037; margin-bottom: 0pt; margin-left: 36.23868179321289pt; margin-right: 37.7108154296875pt; margin-top: 3.29534912109375pt; text-indent: 0.39311981201171875pt;"><span style="font-size: 14.04pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline;">a. list out the safety measures that should be followed while handling electrical appliances. Answer :- </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 37.5pt; margin-top: 11.64508056640625pt;"><span style="font-size: 14.04pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline;"><span style="border: none; display: inline-block; height: 321px; overflow: hidden; width: 682px;"><img height="321" src="https://lh3.googleusercontent.com/pdqYuLa4LpvvK0Y2DQAxEHSQs7Thel_FQMqRzFD9yUZuKxOqBHSbSYQWTgGruVo4BlNhdaH3229uHVGmq_RAKmyxXk7kgUq4hO5O2aHC_3mA4Ezccrq5PSHY9uzHplJqpdEY1Lmb" style="margin-left: 0px; margin-top: 0px;" width="682" /></span></span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 36.827999114990234pt; margin-top: 120.12322998046875pt;"><span style="font-size: 11.04pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline;">b. Explain the working of a bulb. </span></p><p dir="ltr" style="line-height: 1.3693357944488525; margin-bottom: 0pt; margin-left: 36.132720947265625pt; margin-right: 15.59222412109375pt; margin-top: 12.556304931640625pt; text-indent: 0.054958343505859375pt;"><span style="font-size: 11.04pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline;">Answer:- </span><span style="background-color: white; color: #202122; font-family: Arial; font-size: 9.48pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline;">The incandescent light bulb turns electricity into light by sending the electric current through a thin wire called a </span><span style="color: #202122; font-family: Arial; font-size: 9.48pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline;"> </span><span style="background-color: white; color: #202122; font-family: Arial; font-size: 9.48pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline;">filament</span><span style="background-color: white; font-family: Arial; font-size: 9.48pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline;">. Electrical filaments are made up mostly of tungsten metal. The resistance of the filament heats the bulb. Eventually the </span><span style="font-family: Arial; font-size: 9.48pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline;"> </span><span style="background-color: white; font-family: Arial; font-size: 9.48pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline;">filament gets so hot that it glows, </span><span style="background-color: white; color: #202122; font-family: Arial; font-size: 9.48pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline;">producing light.</span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 37.5pt; margin-top: 10.372756958007812pt;"><span style="background-color: white; color: #202122; font-family: Arial; font-size: 9.48pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline;"><span style="border: none; display: inline-block; height: 206px; overflow: hidden; width: 186px;"><img height="206" src="https://lh6.googleusercontent.com/5TqKCmFosIfPsJtUuFvuqdju4BNwkdbswue_BxZMARqm1FlLzumudfOpSMzutKEZdfvTnB7Q_NhfkuI5CKDNjTzf3UTNFSF5VJvoGokvPeF1vT7TH3-fzpsk_pvNFbax99R3VDVn" style="margin-left: 0px; margin-top: 0px;" width="186" /></span></span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 36.48575973510742pt; margin-top: 0pt;"><span style="font-size: 11.04pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline;">c. Explain the structure of primary cell. </span></p><p dir="ltr" style="line-height: 1.2804166316986083; margin-bottom: 0pt; margin-left: 37.5pt; margin-right: 77.84002685546875pt; margin-top: 13.16632080078125pt;"><span style="font-size: 11.04pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline;"><span style="border: none; display: inline-block; height: 299px; overflow: hidden; width: 634px;"><img height="299" src="https://lh4.googleusercontent.com/386fzwVjldkVWYEVChYvb2ZsMccab3_1cjAN8q7D6D4_M3AoCkXX11wgfEqVC5m7Ui7upON03Olh8LjBZk4MC-h5pEFMeX1TqgRm7qBBednoiZKigwVGyea-YJXiCO-7PpQTgCru" style="margin-left: 0px; margin-top: 0px;" width="634" /></span></span><span style="font-size: 11.04pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline;"><span style="border: none; display: inline-block; height: 288px; overflow: hidden; width: 604px;"><img height="288" src="https://lh5.googleusercontent.com/3qQOpXnktWnUnRuZwg_RRsLFWanHlSOqGRhSFUik3jv85wJhFRyWk0YEnyIHLp-WOq2B0TJr-fKXVrV3aSO-4-ROmRomK7ucVckvwSA7Nboc9iQ0vcJNPSCXcvPJ27BmtZY9aMMk" style="margin-left: 0px; margin-top: 0px;" width="604" /></span></span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 72.21167755126953pt; margin-top: 0pt;"><span style="font-size: 11.04pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline;">Answer :- </span></p><p dir="ltr" style="line-height: 2.7923624038696286; margin-bottom: 0pt; margin-left: 72.52079772949219pt; margin-right: 126.3212890625pt; margin-top: 12.556320190429688pt; padding: 0pt 0pt 0pt 0.33119964599609375pt; text-indent: -0.33119964599609375pt;"><span style="font-size: 11.04pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline;">a. In picture ‘V’ the bulb will glow…..because wires are connect with correct terminals. b.</span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 85.69999694824219pt; margin-top: 0pt;"><span style="font-size: 11.04pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline;"><span style="border: none; display: inline-block; height: 420px; overflow: hidden; width: 452px;"><img height="420" src="https://lh5.googleusercontent.com/ZRb3uddz8DVLeSzumBCXssMuidXW09blXKSzVfSVSX3wXRl_rTJOx8v1wVyjnxQPWci0KCF2ihZMSndXr6XeM6DS_bLzGym6u37rcKBWD9aiz1dGmcZT6hsSGSVM_5a_Oa419-3t" style="margin-left: 0px; margin-top: 0px;" width="452" /></span></span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-right: 13.3199462890625pt; margin-top: 0pt; text-align: right;"><span style="font-size: 11.04pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline;"><span style="border: none; display: inline-block; height: 274px; overflow: hidden; width: 720px;"><img height="274" src="https://lh3.googleusercontent.com/Tvkh5Xa7UAtplIg-mg-on4fYV5JHZxdaHajAlvet6vGu875Z5fjcZg3z49NnfE7ZsNKuFra7SBbPkTE_-fturJ7Aw05qBdxH4EHDOkcXuplRIJauvSBYRFzrbbzfksdfFifMPZrj" style="margin-left: 0px; margin-top: 0px;" width="720" /></span></span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 81.81167602539062pt; margin-top: 2.678192138671875pt;"><span style="font-size: 11.04pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline;">Answer:- a. the bulb will glow in set up ‘A’. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 36pt; margin-top: 12.55633544921875pt;"><span style="font-size: 11.04pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline;"> Because the l in set up ’ A’ the switch is on. </span></p><p dir="ltr" style="line-height: 1.401613426208496; margin-bottom: 0pt; margin-left: 90.85199737548828pt; margin-right: 29.84637451171875pt; margin-top: 12.55633544921875pt; padding: 0pt 0pt 0pt 17.66480255126953pt; text-indent: -17.66480255126953pt;"><span style="font-size: 11.04pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline;">b. the ends of conducting wires are bare because those ends are required to be connected with battery and only conducting surface can flow current through them.</span></p><div><span style="font-size: 11.04pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline;"><br /></span></div></span></span></div>DEEPAL MAKATIhttp://www.blogger.com/profile/09139325353246640272noreply@blogger.com1tag:blogger.com,1999:blog-8714579048989778922.post-46709467799224877132022-01-27T01:39:00.000-08:002022-01-27T01:39:15.605-08:00STD: 6 SUB: GUJARATI ( CH 11 )<p></p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEiaO7-H-jPTVNpR900Rgo-lvBj7PI0u54It7aoNdJC_tmnB6A5lzSV3Ts6v4PzHHDXbZgi0IXpIPZgdfP5tGOldJAqdPJjJGuNkfWydI7VvQKbGpnx41ZPACi_3ZabQOA2lrqjHXH7DpDRZYw3cFxHdYZYCW2B-k8d0cHBpJvwE3W3v4hcnPybiqFoT=s4128" imageanchor="1" style="margin-left: 1em; 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cursor: text; font-family: sans-serif; font-size: 16px; left: 0px; line-height: 1.14; margin: 0px; padding: 0px 426.856px 3.36px 109.015px; position: absolute; top: 198.987px; transform-origin: 0% 0%; transform: scaleX(1.05703); white-space: pre;"><span class="word" style="display: inline-block; letter-spacing: -0.193352px; margin: 0px; padding: 0px; width: 12.957px;">1.</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.312984px; margin: 0px; padding: 0px; width: 8.26466px;"> </span><span class="word" style="display: inline-block; letter-spacing: -0.540762px; margin: 0px; padding: 0px; width: 51.9039px;">Choose</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.373531px; margin: 0px; padding: 0px; width: 4.07178px;"> </span><span class="word" style="display: inline-block; letter-spacing: 0.315764px; margin: 0px; padding: 0px; width: 23.1895px;">the</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.2373px; margin: 0px; padding: 0px; width: 4.20801px;"> </span><span class="word" style="display: inline-block; letter-spacing: 0.143912px; margin: 0px; padding: 0px; width: 49.9058px;">correct</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.19189px; margin: 0px; padding: 0px; width: 4.25342px;"> </span><span class="word" style="display: inline-block; letter-spacing: 0.469944px; margin: 0px; padding: 0px; width: 51.3287px;">option.</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.184321px; margin: 0px; padding: 0px; width: 4.26099px;"> </span></div><div class="parent-word" data-canvas-width="440.9653333333332" data-transform-scale-x="1.0286030299716926" style="background-color: white; cursor: text; font-family: sans-serif; font-size: 16px; left: 0px; line-height: 1.14; margin: 0px; padding: 0px 230.218px 3.68px 112.028px; position: absolute; top: 220.587px; transform-origin: 0% 0%; transform: scaleX(1.0286); white-space: pre;"><span class="word" style="display: inline-block; letter-spacing: -0.790142px; margin: 0px; padding: 0px; width: 12.6463px;">a)</span><span class="whitespace" style="display: inline-block; letter-spacing: 3.77295px; margin: 0px; padding: 0px; width: 16.4365px;"> </span><span class="word" style="display: inline-block; letter-spacing: -0.273112px; margin: 0px; padding: 0px; width: 43.0876px;">Which</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.245442px; margin: 0px; padding: 0px; width: 4.19987px;"> </span><span class="word" style="display: inline-block; letter-spacing: 0.320132px; margin: 0px; padding: 0px; width: 13.984px;">of</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.245442px; margin: 0px; padding: 0px; width: 4.19987px;"> </span><span class="word" style="display: inline-block; letter-spacing: -0.00984554px; margin: 0px; padding: 0px; width: 22.2127px;">the</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.229886px; margin: 0px; padding: 0px; width: 4.21543px;"> </span><span class="word" style="display: inline-block; letter-spacing: 0.149656px; margin: 0px; padding: 0px; width: 63.6047px;">following</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.121001px; margin: 0px; padding: 0px; width: 4.32431px;"> </span><span class="word" style="display: inline-block; letter-spacing: -0.597503px; margin: 0px; padding: 0px; width: 10.3597px;">is</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.338772px; margin: 0px; padding: 0px; width: 4.10654px;"> </span><span class="word" style="display: inline-block; letter-spacing: 0.316811px; margin: 0px; padding: 0px; width: 23.1926px;">not</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.0898908px; margin: 0px; padding: 0px; width: 4.35542px;"> </span><span class="word" style="display: inline-block; letter-spacing: -0.00984554px; margin: 0px; padding: 0px; width: 22.2127px;">the</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.260997px; margin: 0px; padding: 0px; width: 4.18432px;"> </span><span class="word" style="display: inline-block; letter-spacing: -0.0443324px; margin: 0px; padding: 0px; width: 74.2911px;">adaptation</span><span class="whitespace" style="display: inline-block; letter-spacing: 0.114918px; margin: 0px; padding: 0px; width: 4.56023px;"> </span><span class="word" style="display: inline-block; letter-spacing: -0.756294px; margin: 0px; padding: 0px; width: 31.6701px;">seen</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.307662px; margin: 0px; padding: 0px; width: 4.13765px;"> </span><span class="word" style="display: inline-block; letter-spacing: 0.0576889px; margin: 0px; padding: 0px; width: 12.5685px;">in</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.183221px; margin: 0px; padding: 0px; width: 4.26209px;"> </span><span class="word" style="display: inline-block; letter-spacing: -0.188191px; margin: 0px; padding: 0px; width: 35.5278px;">frog?</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.0821132px; margin: 0px; padding: 0px; width: 4.3632px;"> </span></div><div class="parent-word" data-canvas-width="276.06666666666666" data-transform-scale-x="1.8587414303999439" style="background-color: white; cursor: text; font-family: sans-serif; font-size: 16px; left: 0px; line-height: 1.14; margin: 0px; padding: 0px 3.05817e-14px 6.72px 84.5447px; position: absolute; top: 242.507px; transform-origin: 0% 0%; transform: scaleX(1.85874); white-space: pre;"><span class="word" style="display: inline-block; letter-spacing: -2.11725px; margin: 0px; padding: 0px; width: 4.64831px;">i)</span><span class="whitespace" style="display: inline-block; letter-spacing: 1.32203px; margin: 0px; padding: 0px; width: 11.5347px;"> </span><span class="word" style="display: inline-block; letter-spacing: -4.18881px; margin: 0px; padding: 0px; width: 13.2305px;">can</span><span class="whitespace" style="display: inline-block; letter-spacing: -2.10394px; margin: 0px; padding: 0px; width: 2.34137px;"> </span><span class="word" style="display: inline-block; letter-spacing: -4.51102px; margin: 0px; padding: 0px; width: 21.0809px;">move</span><span class="whitespace" style="display: inline-block; letter-spacing: -2.12116px; margin: 0px; padding: 0px; width: 2.32415px;"> </span><span class="word" style="display: inline-block; letter-spacing: -3.94024px; margin: 0px; padding: 0px; width: 9.91639px;">on</span><span class="whitespace" style="display: inline-block; letter-spacing: -2.06951px; margin: 0px; padding: 0px; width: 2.3758px;"> </span><span class="word" style="display: inline-block; letter-spacing: -3.4608px; margin: 0px; padding: 0px; width: 16.4068px;">land</span><span class="whitespace" style="display: inline-block; letter-spacing: 60.2192px; margin: 0px; padding: 0px; width: 64.6645px;"> </span></div><div class="parent-word" data-canvas-width="114.79999999999995" data-transform-scale-x="0.9778665069541488" style="background-color: white; cursor: text; font-family: sans-serif; font-size: 16px; left: 433.213px; line-height: 1.14; margin: 0px; padding: 0px 250.532px 6.72px 0px; position: absolute; top: 242.507px; transform-origin: 0% 0%; transform: scaleX(0.977867); white-space: pre;"><span class="word" style="display: inline-block; letter-spacing: 0.108326px; margin: 0px; padding: 0px; width: 12.7625px;">ii)</span><span class="whitespace" style="display: inline-block; letter-spacing: -1.58194px; margin: 0px; padding: 0px; width: 5.72675px;"> </span><span class="word" style="display: inline-block; letter-spacing: 0.296161px; margin: 0px; padding: 0px; width: 57.8238px;">webbed</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.109342px; margin: 0px; padding: 0px; width: 4.33597px;"> </span><span class="word" style="display: inline-block; letter-spacing: 0.273858px; margin: 0px; padding: 0px; width: 27.7829px;">feet</span><span class="whitespace" style="display: inline-block; letter-spacing: 0.037917px; margin: 0px; padding: 0px; width: 8.96646px;"> </span></div><div class="parent-word" data-canvas-width="276.06666666666666" data-transform-scale-x="1.83700006931448" style="background-color: white; cursor: text; font-family: sans-serif; font-size: 16px; left: 0px; line-height: 1.14; margin: 0px; padding: 0px 3.09436e-14px 5.44px 85.5453px; position: absolute; top: 267.467px; transform-origin: 0% 0%; transform: scaleX(1.837); white-space: pre;"><span class="word" style="display: inline-block; letter-spacing: -1.77703px; margin: 0px; padding: 0px; width: 8.88405px;">iii)</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.700076px; margin: 0px; padding: 0px; width: 7.49047px;"> </span><span class="word" style="display: inline-block; letter-spacing: -3.27138px; margin: 0px; padding: 0px; width: 24.8405px;">strong</span><span class="whitespace" style="display: inline-block; letter-spacing: -2.0501px; margin: 0px; padding: 0px; width: 2.39521px;"> </span><span class="word" style="display: inline-block; letter-spacing: -3.97235px; margin: 0px; padding: 0px; width: 17.9075px;">back</span><span class="whitespace" style="display: inline-block; letter-spacing: -2.06752px; margin: 0px; padding: 0px; width: 2.37779px;"> </span><span class="word" style="display: inline-block; letter-spacing: -3.46636px; margin: 0px; padding: 0px; width: 15.4861px;">legs</span><span class="whitespace" style="display: inline-block; letter-spacing: 31.0045px; margin: 0px; padding: 0px; width: 70.8997px;"> </span></div><div class="parent-word" data-canvas-width="203.6239999999999" data-transform-scale-x="0.9580896926922507" style="background-color: white; cursor: text; font-family: sans-serif; font-size: 16px; left: 433.213px; line-height: 1.14; margin: 0px; padding: 0px 162.994px 51.88px 0px; position: absolute; top: 267.467px; transform-origin: 0% 0%; transform: scaleX(0.95809); white-space: pre;"><span class="word" style="display: inline-block; letter-spacing: 0.067061px; margin: 0px; padding: 0px; width: 17.084px;">iv)</span><span class="whitespace" style="display: inline-block; letter-spacing: -3.55187px; margin: 0px; padding: 0px; width: 1.78689px;"> </span><span class="word" style="display: inline-block; letter-spacing: 0.0326479px; margin: 0px; padding: 0px; width: 66.0815px;">presence</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.0866392px; margin: 0px; padding: 0px; width: 4.35867px;"> </span><span class="word" style="display: inline-block; letter-spacing: 0.834729px; margin: 0px; padding: 0px; width: 15.0132px;">of</span><span class="whitespace" style="display: inline-block; letter-spacing: 0.180559px; margin: 0px; padding: 0px; width: 4.62587px;"> </span><span class="word" style="display: inline-block; letter-spacing: 0.284318px; margin: 0px; padding: 0px; width: 37.5748px;">swim</span><span class="whitespace" style="display: inline-block; letter-spacing: 0.0970597px; margin: 0px; padding: 0px; width: 4.54237px;"> </span><span class="word" style="display: inline-block; letter-spacing: 0.457751px; margin: 0px; padding: 0px; width: 56.5793px;">bladder</span><span class="whitespace" style="display: inline-block; letter-spacing: 0.439408px; margin: 0px; padding: 0px; width: 4.88472px;"> </span></div><div class="parent-word" data-canvas-width="249.57066666666668" data-transform-scale-x="1.0962233737117235" style="background-color: white; cursor: text; font-family: sans-serif; font-size: 16px; left: 0px; line-height: 1.14; margin: 0px; padding: 0px 78.8988px 28.2px 88.6243px; position: absolute; top: 291.147px; transform-origin: 0% 0%; transform: scaleX(1.09622); white-space: pre;"><span class="word" style="display: inline-block; letter-spacing: -0.636795px; margin: 0px; padding: 0px; width: 29.4684px;">Ans:</span><span class="whitespace" style="display: inline-block; letter-spacing: 4.75476px; margin: 0px; padding: 0px; width: 18.4001px;"> </span><span class="word" style="display: inline-block; letter-spacing: -0.626898px; margin: 0px; padding: 0px; width: 60.8051px;">presence</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.489914px; margin: 0px; padding: 0px; width: 3.9554px;"> </span><span class="word" style="display: inline-block; letter-spacing: 0.582121px; margin: 0px; padding: 0px; width: 14.508px;">of</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.387745px; margin: 0px; padding: 0px; width: 4.05757px;"> </span><span class="word" style="display: inline-block; letter-spacing: -0.217027px; margin: 0px; padding: 0px; width: 35.5694px;">swim</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.358554px; margin: 0px; padding: 0px; width: 4.08676px;"> </span><span class="word" style="display: inline-block; letter-spacing: -0.0790927px; margin: 0px; padding: 0px; width: 52.8214px;">bladder</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.453425px; margin: 0px; padding: 0px; width: 3.99189px;"> </span></div><div class="parent-word" data-canvas-width="544.512" data-transform-scale-x="1.016992339456904" style="background-color: white; cursor: text; font-family: sans-serif; font-size: 16px; left: 0px; line-height: 1.14; margin: 0px; padding: 0px 131.03px 3.68px 113.307px; position: absolute; top: 337.587px; transform-origin: 0% 0%; transform: scaleX(1.01699); white-space: pre;"><span class="word" style="display: inline-block; letter-spacing: -0.0807799px; margin: 0px; padding: 0px; width: 14.065px;">b)</span><span class="whitespace" style="display: inline-block; letter-spacing: 3.22961px; margin: 0px; padding: 0px; width: 15.3498px;"> </span><span class="word" style="display: inline-block; letter-spacing: -0.174728px; margin: 0px; padding: 0px; width: 43.5795px;">Which</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.228958px; margin: 0px; padding: 0px; width: 4.21635px;"> </span><span class="word" style="display: inline-block; letter-spacing: 0.399958px; margin: 0px; padding: 0px; width: 14.1437px;">of</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.197493px; margin: 0px; padding: 0px; width: 4.24782px;"> </span><span class="word" style="display: inline-block; letter-spacing: 0.0746861px; margin: 0px; padding: 0px; width: 22.4662px;">the</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.18176px; margin: 0px; padding: 0px; width: 4.26355px;"> </span><span class="word" style="display: inline-block; letter-spacing: 0.23034px; margin: 0px; padding: 0px; width: 64.3309px;">following</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.0716316px; margin: 0px; padding: 0px; width: 4.37368px;"> </span><span class="word" style="display: inline-block; letter-spacing: -0.1425px; margin: 0px; padding: 0px; width: 50.5963px;">aquatic</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.150295px; margin: 0px; padding: 0px; width: 4.29502px;"> </span><span class="word" style="display: inline-block; letter-spacing: -0.340169px; margin: 0px; padding: 0px; width: 52.7516px;">animals</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.260424px; margin: 0px; padding: 0px; width: 4.18489px;"> </span><span class="word" style="display: inline-block; letter-spacing: 0.344503px; margin: 0px; padding: 0px; width: 18.4859px;">do</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.134562px; margin: 0px; padding: 0px; width: 4.31075px;"> </span><span class="word" style="display: inline-block; letter-spacing: 0.405072px; margin: 0px; padding: 0px; width: 23.4574px;">not</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.0401662px; margin: 0px; padding: 0px; width: 4.40515px;"> </span><span class="word" style="display: inline-block; letter-spacing: -0.504642px; margin: 0px; padding: 0px; width: 32.6767px;">have</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.213226px; margin: 0px; padding: 0px; width: 4.23209px;"> </span><span class="word" style="display: inline-block; letter-spacing: -0.890511px; margin: 0px; padding: 0px; width: 8.00793px;">a</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.18176px; margin: 0px; padding: 0px; width: 4.26355px;"> </span><span class="word" style="display: inline-block; letter-spacing: -0.129834px; margin: 0px; padding: 0px; width: 81.2749px;">streamlined</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.18176px; margin: 0px; padding: 0px; width: 4.26355px;"> </span><span class="word" style="display: inline-block; letter-spacing: -0.238843px; margin: 0px; padding: 0px; width: 42.3995px;">body?</span><span class="whitespace" style="display: inline-block; letter-spacing: 0.326929px; margin: 0px; padding: 0px; width: 4.77224px;"> </span></div><div class="parent-word" data-canvas-width="276.06666666666666" data-transform-scale-x="3.786192364013001" style="background-color: white; cursor: text; font-family: sans-serif; font-size: 16px; left: 0px; line-height: 1.14; margin: 0px; padding: 0px 1.50133e-14px 6.72px 41.5052px; position: absolute; top: 359.507px; transform-origin: 0% 0%; transform: scaleX(3.78619); white-space: pre;"><span class="word" style="display: inline-block; letter-spacing: -3.30042px; margin: 0px; padding: 0px; width: 2.28198px;">i)</span><span class="whitespace" style="display: inline-block; letter-spacing: -1.61397px; margin: 0px; padding: 0px; width: 5.66268px;"> </span><span class="word" style="display: inline-block; letter-spacing: -5.71231px; margin: 0px; padding: 0px; width: 11.9761px;">squids</span><span class="whitespace" style="display: inline-block; letter-spacing: 22.0513px; margin: 0px; padding: 0px; width: 52.9933px;"> </span></div><div class="parent-word" data-canvas-width="81.02399999999986" data-transform-scale-x="0.990267545116011" style="background-color: white; cursor: text; font-family: sans-serif; font-size: 16px; left: 433.213px; line-height: 1.14; margin: 0px; padding: 0px 281.502px 6.72px 0px; position: absolute; top: 359.507px; transform-origin: 0% 0%; transform: scaleX(0.990268); white-space: pre;"><span class="word" style="display: inline-block; letter-spacing: 0.0550516px; margin: 0px; padding: 0px; width: 12.6027px;">ii)</span><span class="whitespace" style="display: inline-block; letter-spacing: -1.61779px; margin: 0px; padding: 0px; width: 5.65504px;"> </span><span class="word" style="display: inline-block; letter-spacing: 0.427683px; margin: 0px; padding: 0px; width: 54.5953px;">dolphin</span><span class="whitespace" style="display: inline-block; letter-spacing: 0.0383243px; margin: 0px; padding: 0px; width: 8.96727px;"> </span></div><div class="parent-word" data-canvas-width="276.0666666666667" data-transform-scale-x="3.6527324098959415" style="background-color: white; cursor: text; font-family: sans-serif; font-size: 16px; left: 0px; line-height: 1.14; margin: 0px; padding: 0px 0px 5.28px 43.0217px; position: absolute; top: 384.467px; transform-origin: 0% 0%; transform: scaleX(3.65273); white-space: pre;"><span class="word" style="display: inline-block; letter-spacing: -2.88107px; margin: 0px; padding: 0px; width: 4.46789px;">iii)</span><span class="whitespace" style="display: inline-block; letter-spacing: -2.56179px; margin: 0px; padding: 0px; width: 3.76704px;"> </span><span class="word" style="display: inline-block; letter-spacing: -6.1156px; margin: 0px; padding: 0px; width: 11.2267px;">whale</span><span class="whitespace" style="display: inline-block; letter-spacing: 23.613px; margin: 0px; padding: 0px; width: 56.1165px;"> </span></div><div class="parent-word" data-canvas-width="51.47199999999994" data-transform-scale-x="0.8641678908709329" style="background-color: white; cursor: text; font-family: sans-serif; font-size: 16px; left: 433.213px; line-height: 1.14; margin: 0px; padding: 0px 356.776px 73.6px 0px; position: absolute; top: 384.467px; transform-origin: 0% 0%; transform: scaleX(0.864168); white-space: pre;"><span class="word" style="display: inline-block; letter-spacing: 0.685984px; margin: 0px; padding: 0px; width: 18.9408px;">iv)</span><span class="whitespace" style="display: inline-block; letter-spacing: -3.45476px; margin: 0px; padding: 0px; width: 1.9811px;"> </span><span class="word" style="display: inline-block; letter-spacing: 0.926779px; margin: 0px; padding: 0px; width: 28.6056px;">fish</span><span class="whitespace" style="display: inline-block; letter-spacing: 0.572231px; margin: 0px; padding: 0px; width: 10.0351px;"> </span></div><div class="parent-word" data-canvas-width="104.8106666666666" data-transform-scale-x="1.1442017341862112" style="background-color: white; cursor: text; font-family: sans-serif; font-size: 16px; left: 0px; line-height: 1.14; margin: 0px; padding: 0px 202.107px 50.08px 84.9081px; position: absolute; top: 407.987px; transform-origin: 0% 0%; transform: scaleX(1.1442); white-space: pre;"><span class="word" style="display: inline-block; letter-spacing: -0.94571px; margin: 0px; padding: 0px; width: 28.2328px;">Ans:</span><span class="whitespace" style="display: inline-block; letter-spacing: 9.26789px; margin: 0px; padding: 0px; width: 13.7132px;"> </span><span class="word" style="display: inline-block; letter-spacing: -0.700245px; margin: 0px; padding: 0px; width: 42.0485px;">squids</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.641787px; margin: 0px; padding: 0px; width: 7.60705px;"> </span></div><div class="parent-word" data-canvas-width="579.9413333333334" data-transform-scale-x="1.0655330452964342" style="background-color: white; cursor: text; font-family: sans-serif; font-size: 16px; left: 0px; line-height: 1.14; margin: 0px; padding: 0px 91.8101px 0.8px 108.145px; position: absolute; top: 476.307px; transform-origin: 0% 0%; transform: scaleX(1.06553); white-space: pre;"><span class="word" style="display: inline-block; letter-spacing: -0.245045px; margin: 0px; padding: 0px; width: 12.8537px;">2.</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.345956px; margin: 0px; padding: 0px; width: 8.19871px;"> </span><span class="word" style="display: inline-block; letter-spacing: -0.210157px; margin: 0px; padding: 0px; width: 36.3086px;">State</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.270876px; margin: 0px; padding: 0px; width: 4.17444px;"> </span><span class="word" style="display: inline-block; letter-spacing: 0.169983px; margin: 0px; padding: 0px; width: 58.1118px;">whether</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.225828px; margin: 0px; padding: 0px; width: 4.21948px;"> </span><span class="word" style="display: inline-block; letter-spacing: 0.254087px; margin: 0px; padding: 0px; width: 23.0044px;">the</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.300908px; margin: 0px; padding: 0px; width: 4.1444px;"> </span><span class="word" style="display: inline-block; letter-spacing: 0.553739px; margin: 0px; padding: 0px; width: 67.2415px;">following</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.496115px; margin: 0px; padding: 0px; width: 3.9492px;"> </span><span class="word" style="display: inline-block; letter-spacing: -0.035502px; margin: 0px; padding: 0px; width: 77.9028px;">statements</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.25586px; margin: 0px; padding: 0px; width: 4.18945px;"> </span><span class="word" style="display: inline-block; letter-spacing: -0.315476px; margin: 0px; padding: 0px; width: 22.1786px;">are</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.25586px; margin: 0px; padding: 0px; width: 4.18945px;"> </span><span class="word" style="display: inline-block; letter-spacing: 0.363884px; margin: 0px; padding: 0px; width: 29.0258px;">true</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.300908px; margin: 0px; padding: 0px; width: 4.1444px;"> </span><span class="word" style="display: inline-block; letter-spacing: 0.46227px; margin: 0px; padding: 0px; width: 15.1511px;">or</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.210812px; margin: 0px; padding: 0px; width: 4.2345px;"> </span><span class="word" style="display: inline-block; letter-spacing: -0.224663px; margin: 0px; padding: 0px; width: 36.8942px;">false.</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.375988px; margin: 0px; padding: 0px; width: 4.06932px;"> </span><span class="word" style="display: inline-block; letter-spacing: -0.111887px; margin: 0px; padding: 0px; width: 51.6699px;">Correct</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.375988px; margin: 0px; padding: 0px; width: 4.06932px;"> </span><span class="word" style="display: inline-block; letter-spacing: 0.254087px; margin: 0px; padding: 0px; width: 23.0044px;">the</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.300908px; margin: 0px; padding: 0px; width: 4.1444px;"> </span><span class="word" style="display: inline-block; letter-spacing: -0.194398px; margin: 0px; padding: 0px; width: 32.8249px;">false</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.0706633px; margin: 0px; padding: 0px; width: 4.37465px;"> </span></div><div class="parent-word" data-canvas-width="84.77600000000001" data-transform-scale-x="1.0711013720264537" style="background-color: white; cursor: text; font-family: sans-serif; font-size: 16px; left: 0px; line-height: 1.14; margin: 0px; padding: 0px 525.699px 3.52px 135.512px; position: absolute; top: 495.347px; transform-origin: 0% 0%; transform: scaleX(1.0711); white-space: pre;"><span class="word" style="display: inline-block; letter-spacing: 0.0270171px; margin: 0px; padding: 0px; width: 74.9733px;">statement.</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.270171px; margin: 0px; padding: 0px; width: 4.17514px;"> </span></div><div class="parent-word" data-canvas-width="397.7653333333333" data-transform-scale-x="1.0141213557746571" style="background-color: white; cursor: text; font-family: sans-serif; font-size: 16px; left: 0px; line-height: 1.14; margin: 0px; padding: 0px 276.104px 2.10667px 113.627px; position: absolute; top: 517.107px; transform-origin: 0% 0%; transform: scaleX(1.01412); white-space: pre;"><span class="word" style="display: inline-block; letter-spacing: -0.699848px; margin: 0px; padding: 0px; width: 12.8269px;">a)</span><span class="whitespace" style="display: inline-block; letter-spacing: 3.89031px; margin: 0px; padding: 0px; width: 16.6712px;"> </span><span class="word" style="display: inline-block; letter-spacing: -0.515871px; margin: 0px; padding: 0px; width: 37.96px;">Snow</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.153913px; margin: 0px; padding: 0px; width: 4.2914px;"> </span><span class="word" style="display: inline-block; letter-spacing: -0.159954px; margin: 0px; padding: 0px; width: 60.0954px;">leopards</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.201244px; margin: 0px; padding: 0px; width: 4.24407px;"> </span><span class="word" style="display: inline-block; letter-spacing: -0.481515px; margin: 0px; padding: 0px; width: 32.7693px;">have</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.153913px; margin: 0px; padding: 0px; width: 4.2914px;"> </span><span class="word" style="display: inline-block; letter-spacing: 0.065671px; margin: 0px; padding: 0px; width: 33.2268px;">thick</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.122358px; margin: 0px; padding: 0px; width: 4.32295px;"> </span><span class="word" style="display: inline-block; letter-spacing: 0.228918px; margin: 0px; padding: 0px; width: 19.3586px;">fur</span><span class="whitespace" style="display: inline-block; letter-spacing: 0.0117478px; margin: 0px; padding: 0px; width: 4.45706px;"> </span><span class="word" style="display: inline-block; letter-spacing: 0.189232px; margin: 0px; padding: 0px; width: 18.1753px;">on</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.106581px; margin: 0px; padding: 0px; width: 4.33873px;"> </span><span class="word" style="display: inline-block; letter-spacing: 0.14268px; margin: 0px; padding: 0px; width: 31.8384px;">their</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.16969px; margin: 0px; padding: 0px; width: 4.27562px;"> </span><span class="word" style="display: inline-block; letter-spacing: 0.0255483px; margin: 0px; padding: 0px; width: 26.7897px;">feet</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.16969px; margin: 0px; padding: 0px; width: 4.27562px;"> </span><span class="word" style="display: inline-block; letter-spacing: -0.147348px; margin: 0px; padding: 0px; width: 26.2533px;">and</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.106581px; margin: 0px; padding: 0px; width: 4.33873px;"> </span><span class="word" style="display: inline-block; letter-spacing: -0.345784px; margin: 0px; padding: 0px; width: 32.9586px;">toes.</span><span class="whitespace" style="display: inline-block; letter-spacing: 0.0222659px; margin: 0px; padding: 0px; width: 4.46758px;"> </span></div><div class="parent-word" data-canvas-width="86.49066666666667" data-transform-scale-x="1.1813899619393164" style="background-color: white; cursor: text; font-family: sans-serif; font-size: 16px; left: 0px; line-height: 1.14; margin: 0px; padding: 0px 515.797px 3.52px 82.2353px; position: absolute; top: 537.453px; transform-origin: 0% 0%; transform: scaleX(1.18139); white-space: pre;"><span class="word" style="display: inline-block; letter-spacing: -1.16789px; margin: 0px; padding: 0px; width: 27.3441px;">Ans:</span><span class="whitespace" style="display: inline-block; letter-spacing: 8.83622px; margin: 0px; padding: 0px; width: 13.2815px;"> </span><span class="word" style="display: inline-block; letter-spacing: -0.864328px; margin: 0px; padding: 0px; width: 28.8474px;">True</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.707343px; margin: 0px; padding: 0px; width: 3.73797px;"> </span></div><div class="parent-word" data-canvas-width="286.20533333333333" data-transform-scale-x="1.0184393724574428" style="background-color: white; cursor: text; font-family: sans-serif; font-size: 16px; left: 0px; line-height: 1.14; margin: 0px; padding: 0px 384.473px 2.24px 113.146px; position: absolute; top: 559.213px; transform-origin: 0% 0%; transform: scaleX(1.01844); white-space: pre;"><span class="word" style="display: inline-block; letter-spacing: -0.0907719px; margin: 0px; padding: 0px; width: 14.045px;">b)</span><span class="whitespace" style="display: inline-block; letter-spacing: 3.2187px; margin: 0px; padding: 0px; width: 15.328px;"> </span><span class="word" style="display: inline-block; letter-spacing: -0.136385px; margin: 0px; padding: 0px; width: 13.071px;">In</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.109266px; margin: 0px; padding: 0px; width: 4.33605px;"> </span><span class="word" style="display: inline-block; letter-spacing: -0.122783px; margin: 0px; padding: 0px; width: 54.0278px;">hydrilla,</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.219239px; margin: 0px; padding: 0px; width: 4.22607px;"> </span><span class="word" style="display: inline-block; letter-spacing: 0.0592658px; margin: 0px; padding: 0px; width: 35.8666px;">roots</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.124977px; margin: 0px; padding: 0px; width: 4.32034px;"> </span><span class="word" style="display: inline-block; letter-spacing: -0.48159px; margin: 0px; padding: 0px; width: 21.6802px;">are</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.203528px; margin: 0px; padding: 0px; width: 4.24178px;"> </span><span class="word" style="display: inline-block; letter-spacing: -0.0315671px; margin: 0px; padding: 0px; width: 51.3256px;">entirely</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.329211px; margin: 0px; padding: 0px; width: 4.1161px;"> </span><span class="word" style="display: inline-block; letter-spacing: -0.392218px; margin: 0px; padding: 0px; width: 49.7388px;">absent.</span><span class="whitespace" style="display: inline-block; letter-spacing: 0.254689px; margin: 0px; padding: 0px; width: 4.7px;"> </span></div><div class="parent-word" data-canvas-width="89.53066666666668" data-transform-scale-x="1.1186963425745153" style="background-color: white; cursor: text; font-family: sans-serif; font-size: 16px; left: 0px; line-height: 1.14; margin: 0px; padding: 0px 541.986px 2.08px 86.8439px; position: absolute; top: 579.693px; transform-origin: 0% 0%; transform: scaleX(1.1187); white-space: pre;"><span class="word" style="display: inline-block; letter-spacing: -0.784789px; margin: 0px; padding: 0px; width: 28.8765px;">Ans:</span><span class="whitespace" style="display: inline-block; letter-spacing: 9.58054px; margin: 0px; padding: 0px; width: 14.0258px;"> </span><span class="word" style="display: inline-block; letter-spacing: -1.18012px; margin: 0px; padding: 0px; width: 33.2244px;">False</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.540768px; margin: 0px; padding: 0px; width: 3.90454px;"> </span></div><div class="parent-word" data-canvas-width="278.08266666666674" data-transform-scale-x="1.0744885239633333" style="background-color: white; cursor: text; font-family: sans-serif; font-size: 16px; left: 0px; line-height: 1.14; margin: 0px; padding: 0px 344.136px 24px 135.084px; position: absolute; top: 600.013px; transform-origin: 0% 0%; transform: scaleX(1.07449); white-space: pre;"><span class="word" style="display: inline-block; letter-spacing: 0.239504px; margin: 0px; padding: 0px; width: 55.2598px;">Hydrilla</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.33545px; margin: 0px; padding: 0px; width: 4.10986px;"> </span><span class="word" style="display: inline-block; letter-spacing: -0.756467px; margin: 0px; padding: 0px; width: 23.5275px;">has</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.290778px; margin: 0px; padding: 0px; width: 4.15453px;"> </span><span class="word" style="display: inline-block; letter-spacing: 0.336254px; margin: 0px; padding: 0px; width: 45.5956px;">poorly</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.320559px; margin: 0px; padding: 0px; width: 4.12475px;"> </span><span class="word" style="display: inline-block; letter-spacing: -0.067863px; margin: 0px; padding: 0px; width: 73.233px;">developed</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.588594px; margin: 0px; padding: 0px; width: 3.85672px;"> </span><span class="word" style="display: inline-block; letter-spacing: 0.0812278px; margin: 0px; padding: 0px; width: 40.503px;">roots.</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.00537056px; margin: 0px; padding: 0px; width: 4.43994px;"> </span></div><div class="parent-word" data-canvas-width="508.4853333333333" data-transform-scale-x="1.0119583106591827" style="background-color: white; cursor: text; font-family: sans-serif; font-size: 16px; left: 0px; line-height: 1.14; margin: 0px; padding: 0px 167.282px 2.08px 113.87px; position: absolute; top: 642.253px; transform-origin: 0% 0%; transform: scaleX(1.01196); white-space: pre;"><span class="word" style="display: inline-block; letter-spacing: -0.65591px; margin: 0px; padding: 0px; width: 12.0163px;">c)</span><span class="whitespace" style="display: inline-block; letter-spacing: 4.32712px; margin: 0px; padding: 0px; width: 17.5449px;"> </span><span class="word" style="display: inline-block; letter-spacing: -0.416102px; margin: 0px; padding: 0px; width: 29.0289px;">Gills</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.287038px; margin: 0px; padding: 0px; width: 4.15827px;"> </span><span class="word" style="display: inline-block; letter-spacing: -0.145315px; margin: 0px; padding: 0px; width: 52.35px;">present</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.0340636px; margin: 0px; padding: 0px; width: 4.41125px;"> </span><span class="word" style="display: inline-block; letter-spacing: 0.161052px; margin: 0px; padding: 0px; width: 12.7752px;">in</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.207984px; margin: 0px; padding: 0px; width: 4.23733px;"> </span><span class="word" style="display: inline-block; letter-spacing: 0.111939px; margin: 0px; padding: 0px; width: 22.578px;">the</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.160551px; margin: 0px; padding: 0px; width: 4.28476px;"> </span><span class="word" style="display: inline-block; letter-spacing: -0.117638px; margin: 0px; padding: 0px; width: 24.4279px;">fish</span><span class="whitespace" style="display: inline-block; letter-spacing: 0.0212747px; margin: 0px; padding: 0px; width: 4.46659px;"> </span><span class="word" style="display: inline-block; letter-spacing: 0.0227927px; margin: 0px; padding: 0px; width: 30.3412px;">help</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.176362px; margin: 0px; padding: 0px; width: 4.26895px;"> </span><span class="word" style="display: inline-block; letter-spacing: 0.155225px; margin: 0px; padding: 0px; width: 36.1912px;">them</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.176362px; margin: 0px; padding: 0px; width: 4.26895px;"> </span><span class="word" style="display: inline-block; letter-spacing: 0.640679px; margin: 0px; padding: 0px; width: 14.6251px;">to</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.113118px; margin: 0px; padding: 0px; width: 4.33219px;"> </span><span class="word" style="display: inline-block; letter-spacing: -0.62498px; margin: 0px; padding: 0px; width: 23.9219px;">use</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.0973073px; margin: 0px; padding: 0px; width: 4.34801px;"> </span><span class="word" style="display: inline-block; letter-spacing: -0.148017px; margin: 0px; padding: 0px; width: 50.7056px;">oxygen</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.160551px; margin: 0px; padding: 0px; width: 4.28476px;"> </span><span class="word" style="display: inline-block; letter-spacing: -0.212216px; margin: 0px; padding: 0px; width: 64.7932px;">dissolved</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.176362px; margin: 0px; padding: 0px; width: 4.26895px;"> </span><span class="word" style="display: inline-block; letter-spacing: 0.161052px; margin: 0px; padding: 0px; width: 12.7752px;">in</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.113118px; margin: 0px; padding: 0px; width: 4.33219px;"> </span><span class="word" style="display: inline-block; letter-spacing: -0.107707px; margin: 0px; padding: 0px; width: 42.0413px;">water.</span><span class="whitespace" style="display: inline-block; letter-spacing: 0.253168px; margin: 0px; padding: 0px; width: 4.69848px;"> </span></div><div class="parent-word" data-canvas-width="86.49066666666667" data-transform-scale-x="1.1813899619393164" style="background-color: white; cursor: text; font-family: sans-serif; font-size: 16px; left: 0px; line-height: 1.14; margin: 0px; padding: 0px 515.797px 24px 82.2353px; position: absolute; top: 662.573px; transform-origin: 0% 0%; transform: scaleX(1.18139); white-space: pre;"><span class="word" style="display: inline-block; letter-spacing: -1.16789px; margin: 0px; padding: 0px; width: 27.3441px;">Ans:</span><span class="whitespace" style="display: inline-block; letter-spacing: 8.83622px; margin: 0px; padding: 0px; width: 13.2815px;"> </span><span class="word" style="display: inline-block; letter-spacing: -0.864328px; margin: 0px; padding: 0px; width: 28.8474px;">True</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.707343px; margin: 0px; padding: 0px; width: 3.73797px;"> </span></div><div class="parent-word" data-canvas-width="583.6533333333333" data-transform-scale-x="1.0033391083235965" style="background-color: white; cursor: text; font-family: sans-serif; font-size: 16px; left: 0px; line-height: 1.14; margin: 0px; padding: 0px 93.8015px 3.36px 114.849px; position: absolute; top: 704.813px; transform-origin: 0% 0%; transform: scaleX(1.00334); white-space: pre;"><span class="word" style="display: inline-block; letter-spacing: 0.00694355px; margin: 0px; padding: 0px; width: 14.2404px;">d)</span><span class="whitespace" style="display: inline-block; letter-spacing: 3.34202px; margin: 0px; padding: 0px; width: 15.5747px;"> </span><span class="word" style="display: inline-block; letter-spacing: -0.0798836px; margin: 0px; padding: 0px; width: 35.2742px;">Long</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.0440089px; margin: 0px; padding: 0px; width: 4.4013px;"> </span><span class="word" style="display: inline-block; letter-spacing: -0.589265px; margin: 0px; padding: 0px; width: 28.7679px;">ears</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.203476px; margin: 0px; padding: 0px; width: 4.24184px;"> </span><span class="word" style="display: inline-block; letter-spacing: -0.0533057px; margin: 0px; padding: 0px; width: 26.5354px;">and</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.0599557px; margin: 0px; padding: 0px; width: 4.38536px;"> </span><span class="word" style="display: inline-block; letter-spacing: -0.65923px; margin: 0px; padding: 0px; width: 31.16px;">eyes</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.219423px; margin: 0px; padding: 0px; width: 4.22589px;"> </span><span class="word" style="display: inline-block; letter-spacing: -0.372827px; margin: 0px; padding: 0px; width: 22.0065px;">are</span><span class="whitespace" style="display: inline-block; letter-spacing: 0.00383133px; margin: 0px; padding: 0px; width: 4.44914px;"> </span><span class="word" style="display: inline-block; letter-spacing: 0.0333135px; margin: 0px; padding: 0px; width: 51.8269px;">located</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.139689px; margin: 0px; padding: 0px; width: 4.30562px;"> </span><span class="word" style="display: inline-block; letter-spacing: 0.286892px; margin: 0px; padding: 0px; width: 18.3707px;">on</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.0440089px; margin: 0px; padding: 0px; width: 4.4013px;"> </span><span class="word" style="display: inline-block; letter-spacing: 0.176591px; margin: 0px; padding: 0px; width: 22.772px;">the</span><span class="whitespace" style="display: inline-block; letter-spacing: 0.0702761px; margin: 0px; padding: 0px; width: 4.51559px;"> </span><span class="word" style="display: inline-block; letter-spacing: -0.249559px; margin: 0px; padding: 0px; width: 28.3533px;">side</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.123743px; margin: 0px; padding: 0px; width: 4.32157px;"> </span><span class="word" style="display: inline-block; letter-spacing: 0.49619px; margin: 0px; padding: 0px; width: 14.3361px;">of</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.0280622px; margin: 0px; padding: 0px; width: 4.41725px;"> </span><span class="word" style="display: inline-block; letter-spacing: 0.00882861px; margin: 0px; padding: 0px; width: 16.0265px;">its</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.171583px; margin: 0px; padding: 0px; width: 4.27373px;"> </span><span class="word" style="display: inline-block; letter-spacing: -0.179551px; margin: 0px; padding: 0px; width: 34.8755px;">head</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.0759024px; margin: 0px; padding: 0px; width: 4.36941px;"> </span><span class="word" style="display: inline-block; letter-spacing: -0.177352px; margin: 0px; padding: 0px; width: 37.3632px;">helps</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.0759024px; margin: 0px; padding: 0px; width: 4.36941px;"> </span><span class="word" style="display: inline-block; letter-spacing: -0.100257px; margin: 0px; padding: 0px; width: 31.6224px;">deer</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.155636px; margin: 0px; padding: 0px; width: 4.28968px;"> </span><span class="word" style="display: inline-block; letter-spacing: 0.703498px; margin: 0px; padding: 0px; width: 14.7507px;">to</span><span class="whitespace" style="display: inline-block; letter-spacing: 0.0118047px; margin: 0px; padding: 0px; width: 4.45712px;"> </span><span class="word" style="display: inline-block; letter-spacing: -0.0777347px; margin: 0px; padding: 0px; width: 23.6969px;">live</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.0918492px; margin: 0px; padding: 0px; width: 4.35346px;"> </span><span class="word" style="display: inline-block; letter-spacing: 0.215925px; margin: 0px; padding: 0px; width: 12.885px;">in</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.0759024px; margin: 0px; padding: 0px; width: 4.36941px;"> </span><span class="word" style="display: inline-block; letter-spacing: 0.176591px; margin: 0px; padding: 0px; width: 22.772px;">the</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.0918492px; margin: 0px; padding: 0px; width: 4.35346px;"> </span></div><div class="parent-word" data-canvas-width="164.61599999999999" data-transform-scale-x="0.969086510601113" style="background-color: white; cursor: text; font-family: sans-serif; font-size: 16px; left: 0px; line-height: 1.14; margin: 0px; padding: 0px 498.652px 2.24px 149.777px; position: absolute; top: 726.413px; transform-origin: 0% 0%; transform: scaleX(0.969087); white-space: pre;"><span class="word" style="display: inline-block; letter-spacing: 0.115087px; margin: 0px; padding: 0px; width: 48.8212px;">forests</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.119589px; margin: 0px; padding: 0px; width: 4.32572px;"> </span><span class="word" style="display: inline-block; letter-spacing: 0.259328px; margin: 0px; padding: 0px; width: 27.4733px;">and</span><span class="whitespace" style="display: inline-block; letter-spacing: 0.0950458px; margin: 0px; padding: 0px; width: 4.54036px;"> </span><span class="word" style="display: inline-block; letter-spacing: -0.172136px; margin: 0px; padding: 0px; width: 79.9268px;">grasslands.</span><span class="whitespace" style="display: inline-block; letter-spacing: 0.334447px; margin: 0px; padding: 0px; width: 4.77976px;"> </span></div><div class="parent-word" data-canvas-width="90.90666666666665" data-transform-scale-x="1.1706291079812206" style="background-color: white; cursor: text; font-family: sans-serif; font-size: 16px; left: 0px; line-height: 1.14; margin: 0px; padding: 0px 516.766px 25.32px 82.9913px; position: absolute; top: 746.893px; transform-origin: 0% 0%; transform: scaleX(1.17063); white-space: pre;"><span class="word" style="display: inline-block; letter-spacing: -1.10505px; margin: 0px; padding: 0px; width: 27.5954px;">Ans:</span><span class="whitespace" style="display: inline-block; letter-spacing: 8.95831px; margin: 0px; padding: 0px; width: 13.4036px;"> </span><span class="word" style="display: inline-block; letter-spacing: -0.798034px; margin: 0px; padding: 0px; width: 29.1126px;">True</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.672982px; margin: 0px; padding: 0px; width: 7.54466px;"> </span></div><div class="parent-word" data-canvas-width="364.03466666666657" data-transform-scale-x="1.0715519681116092" style="background-color: white; cursor: text; font-family: sans-serif; font-size: 16px; left: 0px; line-height: 1.14; margin: 0px; padding: 0px 292.784px 3.36px 107.537px; position: absolute; top: 790.453px; transform-origin: 0% 0%; transform: scaleX(1.07155); white-space: pre;"><span class="word" style="display: inline-block; letter-spacing: -0.281144px; margin: 0px; padding: 0px; width: 12.7815px;">3.</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.368982px; margin: 0px; padding: 0px; width: 8.15266px;"> </span><span class="word" style="display: inline-block; letter-spacing: -0.467636px; margin: 0px; padding: 0px; width: 31.0279px;">Give</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.398845px; margin: 0px; padding: 0px; width: 4.04647px;"> </span><span class="word" style="display: inline-block; letter-spacing: 0.644557px; margin: 0px; padding: 0px; width: 26.8321px;">two</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.234597px; margin: 0px; padding: 0px; width: 4.21072px;"> </span><span class="word" style="display: inline-block; letter-spacing: -0.287456px; margin: 0px; padding: 0px; width: 66.1769px;">examples</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.324187px; margin: 0px; padding: 0px; width: 4.12113px;"> </span><span class="word" style="display: inline-block; letter-spacing: 0.70431px; margin: 0px; padding: 0px; width: 20.7848px;">for</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.309256px; margin: 0px; padding: 0px; width: 4.13606px;"> </span><span class="word" style="display: inline-block; letter-spacing: -0.607024px; margin: 0px; padding: 0px; width: 32.2672px;">each</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.294324px; margin: 0px; padding: 0px; width: 4.15099px;"> </span><span class="word" style="display: inline-block; letter-spacing: 0.749137px; margin: 0px; padding: 0px; width: 14.842px;">of</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.339119px; margin: 0px; padding: 0px; width: 4.10619px;"> </span><span class="word" style="display: inline-block; letter-spacing: 0.211015px; margin: 0px; padding: 0px; width: 22.8752px;">the</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.324187px; margin: 0px; padding: 0px; width: 4.12113px;"> </span><span class="word" style="display: inline-block; letter-spacing: 0.420711px; margin: 0px; padding: 0px; width: 70.9102px;">following.</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.261972px; margin: 0px; padding: 0px; width: 4.18334px;"> </span></div><div class="parent-word" data-canvas-width="170.1546666666668" data-transform-scale-x="1.0455473733058112" style="background-color: white; cursor: text; font-family: sans-serif; font-size: 16px; left: 0px; line-height: 1.14; margin: 0px; padding: 0px 485.5px 2.24px 110.212px; position: absolute; top: 812.053px; transform-origin: 0% 0%; transform: scaleX(1.04555); white-space: pre;"><span class="word" style="display: inline-block; letter-spacing: -0.892616px; margin: 0px; padding: 0px; width: 12.4413px;">a)</span><span class="whitespace" style="display: inline-block; letter-spacing: 3.63977px; margin: 0px; padding: 0px; width: 16.1702px;"> </span><span class="word" style="display: inline-block; letter-spacing: -0.287416px; margin: 0px; padding: 0px; width: 37.4005px;">Biotic</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.374717px; margin: 0px; padding: 0px; width: 4.0706px;"> </span><span class="word" style="display: inline-block; letter-spacing: -0.298232px; margin: 0px; padding: 0px; width: 84.1817px;">components</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.206385px; margin: 0px; padding: 0px; width: 8.47786px;"> </span></div><div class="parent-word" data-canvas-width="410.7573333333333" data-transform-scale-x="1.107652446260911" style="background-color: white; cursor: text; font-family: sans-serif; font-size: 16px; left: 0px; line-height: 1.14; margin: 0px; padding: 0px 257.383px 25.28px 87.7098px; position: absolute; top: 832.533px; transform-origin: 0% 0%; transform: scaleX(1.10765); white-space: pre;"><span class="word" style="display: inline-block; letter-spacing: -0.712811px; margin: 0px; padding: 0px; width: 29.1644px;">Ans:</span><span class="whitespace" style="display: inline-block; letter-spacing: 9.72038px; margin: 0px; padding: 0px; width: 14.1657px;"> </span><span class="word" style="display: inline-block; letter-spacing: -0.191933px; margin: 0px; padding: 0px; width: 41.5437px;">plants</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.631842px; margin: 0px; padding: 0px; width: 3.81347px;"> </span><span class="word" style="display: inline-block; letter-spacing: 1.95381px; margin: 0px; padding: 0px; width: 6.39912px;">/</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.444057px; margin: 0px; padding: 0px; width: 4.00126px;"> </span><span class="word" style="display: inline-block; letter-spacing: -0.138114px; margin: 0px; padding: 0px; width: 58.4732px;">animals/</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.350165px; margin: 0px; padding: 0px; width: 4.09515px;"> </span><span class="word" style="display: inline-block; letter-spacing: -0.348924px; margin: 0px; padding: 0px; width: 47.1773px;">human</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.371833px; margin: 0px; padding: 0px; width: 4.07348px;"> </span><span class="word" style="display: inline-block; letter-spacing: -0.132003px; margin: 0px; padding: 0px; width: 153.868px;">beings/microorganism</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.38387px; margin: 0px; padding: 0px; width: 4.06144px;"> </span></div><div class="parent-word" data-canvas-width="180.8586666666667" data-transform-scale-x="1.0537054771658325" style="background-color: white; cursor: text; font-family: sans-serif; font-size: 16px; left: 0px; line-height: 1.14; margin: 0px; padding: 0px 471.583px 2.08px 109.359px; position: absolute; top: 876.053px; transform-origin: 0% 0%; transform: scaleX(1.05371); white-space: pre;"><span class="word" style="display: inline-block; letter-spacing: -0.325806px; margin: 0px; padding: 0px; width: 13.575px;">b)</span><span class="whitespace" style="display: inline-block; letter-spacing: 2.9622px; margin: 0px; padding: 0px; width: 14.815px;"> </span><span class="word" style="display: inline-block; letter-spacing: -0.127246px; margin: 0px; padding: 0px; width: 47.1327px;">Abiotic</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.269573px; margin: 0px; padding: 0px; width: 4.17574px;"> </span><span class="word" style="display: inline-block; letter-spacing: -0.363408px; margin: 0px; padding: 0px; width: 83.53px;">components</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.239204px; margin: 0px; padding: 0px; width: 8.41222px;"> </span></div><div class="parent-word" data-canvas-width="341.9173333333333" data-transform-scale-x="1.1443136188533876" style="background-color: white; cursor: text; font-family: sans-serif; font-size: 16px; left: 0px; line-height: 1.14; margin: 0px; padding: 0px 309.295px 25.28px 84.8998px; position: absolute; top: 896.373px; transform-origin: 0% 0%; transform: scaleX(1.14431); white-space: pre;"><span class="word" style="display: inline-block; letter-spacing: -0.9464px; margin: 0px; padding: 0px; width: 28.23px;">Ans:</span><span class="whitespace" style="display: inline-block; letter-spacing: 9.26655px; margin: 0px; padding: 0px; width: 13.7119px;"> </span><span class="word" style="display: inline-block; letter-spacing: 0.256451px; margin: 0px; padding: 0px; width: 23.2524px;">air/</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.572248px; margin: 0px; padding: 0px; width: 3.87306px;"> </span><span class="word" style="display: inline-block; letter-spacing: -0.0236098px; margin: 0px; padding: 0px; width: 43.4287px;">water/</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.439418px; margin: 0px; padding: 0px; width: 4.00589px;"> </span><span class="word" style="display: inline-block; letter-spacing: 0.0756264px; margin: 0px; padding: 0px; width: 28.8313px;">soil/</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.698088px; margin: 0px; padding: 0px; width: 3.74722px;"> </span><span class="word" style="display: inline-block; letter-spacing: 0.00757953px; margin: 0px; padding: 0px; width: 59.662px;">sunlight/</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.488355px; margin: 0px; padding: 0px; width: 3.95696px;"> </span><span class="word" style="display: inline-block; letter-spacing: -0.373303px; margin: 0px; padding: 0px; width: 82.1593px;">temperature</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.506998px; margin: 0px; padding: 0px; width: 3.93831px;"> </span></div><div class="parent-word" data-canvas-width="173.4826666666667" data-transform-scale-x="1.0433576720073927" style="background-color: white; cursor: text; font-family: sans-serif; font-size: 16px; left: 0px; line-height: 1.14; margin: 0px; padding: 0px 483.329px 2.08px 110.443px; position: absolute; top: 939.893px; transform-origin: 0% 0%; transform: scaleX(1.04336); white-space: pre;"><span class="word" style="display: inline-block; letter-spacing: -0.836722px; margin: 0px; padding: 0px; width: 11.6547px;">c)</span><span class="whitespace" style="display: inline-block; letter-spacing: 2.60713px; margin: 0px; padding: 0px; width: 21.1573px;"> </span><span class="word" style="display: inline-block; letter-spacing: -0.292724px; margin: 0px; padding: 0px; width: 67.0144px;">Terrestrial</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.350839px; margin: 0px; padding: 0px; width: 4.09447px;"> </span><span class="word" style="display: inline-block; letter-spacing: -0.265104px; margin: 0px; padding: 0px; width: 53.9182px;">habitats</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.228158px; margin: 0px; padding: 0px; width: 8.43431px;"> </span></div><div class="parent-word" data-canvas-width="326.04533333333336" data-transform-scale-x="1.1077025869696007" style="background-color: white; cursor: text; font-family: sans-serif; font-size: 16px; left: 0px; line-height: 1.14; margin: 0px; padding: 0px 333.847px 143.547px 87.7059px; position: absolute; top: 960.213px; transform-origin: 0% 0%; transform: scaleX(1.1077); white-space: pre;"><span class="word" style="display: inline-block; letter-spacing: -0.713141px; margin: 0px; padding: 0px; width: 29.1631px;">Ans:</span><span class="whitespace" style="display: inline-block; letter-spacing: 9.71974px; margin: 0px; padding: 0px; width: 14.1651px;"> </span><span class="word" style="display: inline-block; letter-spacing: -0.521272px; margin: 0px; padding: 0px; width: 43.9974px;">Desert</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.343128px; margin: 0px; padding: 0px; width: 4.10218px;"> </span><span class="word" style="display: inline-block; letter-spacing: 0.533131px; margin: 0px; padding: 0px; width: 48.2007px;">/polar/</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.465905px; margin: 0px; padding: 0px; width: 3.97941px;"> </span><span class="word" style="display: inline-block; letter-spacing: -0.763116px; margin: 0px; padding: 0px; width: 66.0538px;">Grassland</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.444239px; margin: 0px; padding: 0px; width: 4.00107px;"> </span><span class="word" style="display: inline-block; letter-spacing: 1.95352px; margin: 0px; padding: 0px; width: 6.39883px;">/</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.444239px; margin: 0px; padding: 0px; width: 4.00107px;"> </span><span class="word" style="display: inline-block; letter-spacing: -0.0439261px; margin: 0px; padding: 0px; width: 66.2561px;">rainforest</span><span class="whitespace" style="display: inline-block; letter-spacing: -0.420165px; margin: 0px; padding: 0px; width: 4.02515px;"> </span></div><p style="text-align: left;"><br /></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 14.447998046875pt; margin-top: 60.29541015625pt;"><span style="background-color: transparent; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">1. Choose the correct option. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 14.027999877929688pt; margin-top: 2.03570556640625pt;"><span style="background-color: transparent; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">a) Which of the following is not the adaptation seen in frog? </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 45.7760009765625pt; margin-top: 2.43597412109375pt;"><span style="background-color: transparent; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">i) can move on land ii) webbed feet </span></p><p dir="ltr" style="line-height: 1.4794089317321777; margin-bottom: 0pt; margin-right: 63.273956298828125pt; margin-top: 4.7159423828125pt; text-indent: 45.7760009765625pt;"><span style="background-color: transparent; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">iii) strong back legs iv)presence of swim bladder </span><span style="background-color: transparent; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">Ans: presence of swim bladder </span></p><p dir="ltr" style="line-height: 1.3694522380828857; margin-bottom: 0pt; margin-left: 14.472000122070312pt; margin-right: 46.332122802734375pt; margin-top: 18.0318603515625pt; padding: 0pt 0pt 0pt 31.304000854492188pt; text-indent: -31.304000854492188pt;"><span style="background-color: transparent; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">b) Which of the following aquatic animals do not have a streamlined body? i) squids ii) dolphin </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 45.7760009765625pt; margin-top: 3.021484375pt;"><span style="background-color: transparent; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">iii) whale iv)fish </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-top: 3.635986328125pt;"><span style="background-color: transparent; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">Ans: squids </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 14.136001586914062pt; margin-right: 14.06396484375pt; margin-top: 36.2760009765625pt; padding: 0pt 0pt 0pt 22.184005737304688pt; text-indent: -22.184005737304688pt;"><span style="background-color: transparent; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">2. State whether the following statements are true or false. Correct the false statement. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 14.027999877929688pt; margin-top: 2.420806884765625pt;"><span style="background-color: transparent; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">a) Snow leopards have thick fur on their feet and toes. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-top: 1.256011962890625pt;"><span style="background-color: transparent; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">Ans: True </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 14.472000122070312pt; margin-top: 2.31597900390625pt;"><span style="background-color: transparent; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">b) In hydrilla, roots are entirely absent. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-top: 1.356048583984375pt;"><span style="background-color: transparent; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">Ans: False </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 36.89600372314453pt; margin-top: 1.2359619140625pt;"><span style="background-color: transparent; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">Hydrilla has poorly developed roots. </span></p><p dir="ltr" style="line-height: 1.2694911003112792; margin-bottom: 0pt; margin-right: 73.17996215820312pt; margin-top: 17.676025390625pt; text-indent: 14.064002990722656pt;"><span style="background-color: transparent; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">c) Gills present in the fish help them to use oxygen dissolved in water. </span><span style="background-color: transparent; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">Ans: True </span></p><p dir="ltr" style="line-height: 1.349460983276367; margin-bottom: 0pt; margin-left: 14.064002990722656pt; margin-right: 13.3599853515625pt; margin-top: 16.9810791015625pt; padding: 0pt 0pt 0pt 22.183998107910156pt; text-indent: -22.183998107910156pt;"><span style="background-color: transparent; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">d) Long ears and eyes are located on the side of its head helps deer to live in the forests and grasslands. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-top: 0pt;"><span style="background-color: transparent; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">Ans: True </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 14.363998413085938pt; margin-top: 17.70599365234375pt;"><span style="background-color: transparent; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">3. Give two examples for each of the following. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 14.027999877929688pt; margin-top: 2.035675048828125pt;"><span style="background-color: transparent; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">a) Biotic components </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-top: 1.3560028076171875pt;"><span style="background-color: transparent; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">Ans: plants / animals/ human beings/microorganism </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 14.472000122070312pt; margin-top: 18.636001586914062pt;"><span style="background-color: transparent; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">b) Abiotic components </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-top: 1.2360076904296875pt;"><span style="background-color: transparent; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">Ans: air/ water/ soil/ sunlight/ temperature </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 14.064002990722656pt; margin-top: 18.636001586914062pt;"><span style="background-color: transparent; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">c) Terrestrial habitats </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-top: 1.2360000610351562pt;"><span style="background-color: transparent; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">Ans: Desert /polar/ Grassland / rainforest</span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 13.727996826171875pt; margin-top: 0pt;"><span style="background-color: transparent; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">4. </span><span style="background-color: transparent; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">Assertion and Reason type questions: </span></p><p dir="ltr" style="line-height: 1.4660812854766845; margin-bottom: 0pt; margin-left: 35.996002197265625pt; margin-right: 19.52197265625pt; margin-top: 5.3756103515625pt; text-indent: 0.1920013427734375pt;"><span style="background-color: transparent; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">In the following questions, two statements are given- one labelled Assertion (A) and the other labelled Reason (R). Read the statements carefully and choose the correct alternative (A), (B), (C) and (D) as given below. </span></p><p dir="ltr" style="line-height: 1.5193912982940674; margin-bottom: 0pt; margin-left: 36.272010803222656pt; margin-right: 12.135986328125pt; margin-top: 6.01513671875pt; padding: 0pt 0pt 0pt 0.1199951171875pt; text-indent: -0.1199951171875pt;"><span style="background-color: transparent; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">(A) Both A and R are true and R is correct explanation of the assertion. (B) Both A and R are true but R is not the correct explanation of the assertion. (C) A is true but R is false. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 36.032005310058594pt; margin-top: 1.162109375pt;"><span style="background-color: transparent; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">(D) A is false but R is true. </span></p><p dir="ltr" style="line-height: 1.3194717407226562; margin-bottom: 0pt; margin-right: 31.37994384765625pt; margin-top: 4.2659912109375pt; text-align: center;"><span style="background-color: transparent; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">a) </span><span style="background-color: transparent; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">Assertion: </span><span style="background-color: transparent; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">leaves of submerged plants can bend in flowing water </span><span style="background-color: transparent; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">Reason: </span><span style="background-color: transparent; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">submerged plants have narrow and thin ribbo</span><span style="background-color: transparent; color: #231f20; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">n-like leaves </span><span style="background-color: transparent; color: #000099; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">Ans: (A) Both A and R are true and R is correct explanation of the assertion. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 14.472000122070312pt; margin-top: 33.64129638671875pt;"><span style="background-color: transparent; color: black; font-family: Arial; font-size: 20pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;"><span style="font-size: 0.6em; vertical-align: super;">b) </span></span><span style="background-color: transparent; color: black; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">Assertion</span><span style="background-color: transparent; color: black; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">: Thick layer of fat is one of adaptations of yaks. </span></p><p dir="ltr" style="line-height: 1.439421272277832; margin-bottom: 0pt; margin-left: 0.2760009765625pt; margin-right: 18.97601318359375pt; margin-top: 3.895355224609375pt; text-indent: 36.62000274658203pt;"><span style="background-color: transparent; color: black; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">Reason</span><span style="background-color: transparent; color: black; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">: A thick layer of fat beneath their skin helps in insulation against cold. </span><span style="background-color: transparent; color: #000099; font-family: Arial; font-size: 20pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;"><span style="font-size: 0.6em; vertical-align: super;">ans: </span></span><span style="background-color: transparent; color: #000099; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">(A) Both A and R are true and R is correct explanation of the assertion. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 14.459999084472656pt; margin-top: 38.941802978515625pt;"><span style="background-color: transparent; color: black; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">5. Define the following: </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 14.027999877929688pt; margin-top: 2.155670166015625pt;"><span style="background-color: transparent; color: black; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">a) Xerophytes </span></p><p dir="ltr" style="line-height: 1.2694911003112792; margin-bottom: 0pt; margin-right: 29.13592529296875pt; margin-top: 1.35601806640625pt; padding: 0pt 0pt 0pt 35.98400115966797pt; text-indent: -35.98400115966797pt;"><span style="background-color: transparent; color: #000099; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">Ans: The land plants which live in conditions of water scarcity are known as xerophytes. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 14.472000122070312pt; margin-top: 17.94110107421875pt;"><span style="background-color: transparent; color: black; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">b) Hydrophytes </span></p><p dir="ltr" style="line-height: 1.2694911003112792; margin-bottom: 0pt; margin-right: 31.031982421875pt; margin-top: 1.355987548828125pt; padding: 0pt 0pt 0pt 36.71600341796875pt; text-indent: -36.71600341796875pt;"><span style="background-color: transparent; color: #000099; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">Ans: The aquatic plants that grow in fresh water ponds and lakes are called hydrophytes. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 14.087997436523438pt; margin-top: 16.981109619140625pt;"><span style="background-color: transparent; color: black; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">6. Answer the following questions in brief. </span></p><p dir="ltr" style="line-height: 1.3594552516937255; margin-bottom: 0pt; margin-left: 14.027999877929688pt; margin-right: 57.30999755859375pt; margin-top: 2.030670166015625pt; padding: 0pt 0pt 0pt 22.472007751464844pt; text-indent: -22.472007751464844pt;"><span style="background-color: transparent; color: black; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">a) List the three different types of aquatic habitats? State one example of organisms found in each.. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-top: 0pt;"><span style="background-color: transparent; color: #000099; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">Ans: </span><span style="background-color: transparent; color: #000099; font-family: 'Noto Sans Symbols',sans-serif; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">∙ </span><span style="-webkit-text-decoration-skip: none; background-color: transparent; color: #000099; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration-skip-ink: none; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">Marine habitat</span><span style="background-color: transparent; color: #000099; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;"> </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 54.89600372314453pt; margin-top: 1.3560028076171875pt;"><span style="background-color: transparent; color: #000099; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">Examples: sharks/ whales/ sea turtles / sea weeds </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 36.56000518798828pt; margin-top: 1.235992431640625pt;"><span style="background-color: transparent; color: #000099; font-family: 'Noto Sans Symbols',sans-serif; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">∙ </span><span style="-webkit-text-decoration-skip: none; background-color: transparent; color: #000099; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration-skip-ink: none; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">Fresh water habitats</span><span style="background-color: transparent; color: #000099; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;"> </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 54.89600372314453pt; margin-top: 1.35601806640625pt;"><span style="background-color: transparent; color: #000099; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">Examples: various types of fish, and water plants. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 36.56000518798828pt; margin-top: 1.235992431640625pt;"><span style="background-color: transparent; color: black; font-family: 'Noto Sans Symbols',sans-serif; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">∙ </span><span style="-webkit-text-decoration-skip: none; background-color: transparent; color: #000099; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration-skip-ink: none; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">Coastal habitats</span><span style="background-color: transparent; color: #000099; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;"> </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 35.936004638671875pt; margin-top: 1.3560028076171875pt;"><span style="background-color: transparent; color: #000099; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;"> Examples: crabs, oysters, seaweeds and mangroves.</span></p><p dir="ltr" style="line-height: 1.2744915962219239; margin-bottom: 0pt; margin-right: 8.26605224609375pt; margin-top: 0pt; text-indent: 14.472000122070312pt;"><span style="background-color: transparent; color: black; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">b) . Enlist the adaptations seen in the plants growing in grassland habitat. </span><span style="background-color: transparent; color: #000099; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">Ans: </span><span style="background-color: transparent; color: #000099; font-family: 'Noto Sans Symbols',sans-serif; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">∙ </span><span style="background-color: transparent; color: #000099; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">The grasses growing here have flexible stalks so that they bend and do not break in windy conditions. </span></p><p dir="ltr" style="line-height: 1.269496250152588; margin-bottom: 0pt; margin-left: 36.56000518798828pt; margin-right: 13.7879638671875pt; margin-top: 0.61102294921875pt; padding: 0pt 0pt 0pt 18.15599822998047pt; text-indent: -18.15599822998047pt;"><span style="background-color: transparent; color: #000099; font-family: 'Noto Sans Symbols',sans-serif; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">∙ </span><span style="background-color: transparent; color: #000099; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">They have strong roots to anchor the grass and small leaves to reduce loss of water. </span></p><p dir="ltr" style="line-height: 1.269496250152588; margin-bottom: 0pt; margin-left: 36.56000518798828pt; margin-right: 19.69189453125pt; margin-top: 0.6610107421875pt; padding: 0pt 0pt 0pt 17.795997619628906pt; text-indent: -17.795997619628906pt;"><span style="background-color: transparent; color: #000099; font-family: 'Noto Sans Symbols',sans-serif; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">∙ </span><span style="background-color: transparent; color: #000099; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">Trees growing here are also small, with small leaves and the roots go deep into the soil in search of water. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 14.064002990722656pt; margin-top: 17.94097900390625pt;"><span style="background-color: transparent; color: black; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">7. </span><span style="background-color: transparent; color: black; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">Give reasons for the following: </span></p><p dir="ltr" style="line-height: 1.351957368850708; margin-bottom: 0pt; margin-left: 14.027999877929688pt; margin-right: 24.6639404296875pt; margin-top: 2.31597900390625pt; padding: 0pt 0pt 0pt 22.8800048828125pt; text-indent: -22.8800048828125pt;"><span style="background-color: transparent; color: black; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">a) During the day time, Rats, snakes and other smaller animals living in dessert prefer staying in the burrows. </span></p><p dir="ltr" style="line-height: 1.2794867992401122; margin-bottom: 0pt; margin-right: 8.61199951171875pt; margin-top: 0pt; padding: 0pt 0pt 0pt 36.71600341796875pt; text-indent: -36.71600341796875pt;"><span style="background-color: transparent; color: #000099; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">Ans: The burrows protect them from heat and loss of water from their body/to keep themselves away from intense heat. </span></p><p dir="ltr" style="line-height: 1.2761565685272216; margin-bottom: 0pt; margin-right: 4.842041015625pt; margin-top: 17.72113037109375pt; text-indent: 14.472000122070312pt;"><span style="background-color: transparent; color: black; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">b) The roots of aquatic plants are either absent or poorly developed. </span><span style="background-color: transparent; color: #000099; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">Ans: Due to abundant water absorbed directly by plants, the roots of aquatic plants become less significant. Therefore, these are either absent or poorly developed. </span></p><p dir="ltr" style="line-height: 1.226273488998413; margin-bottom: 0pt; margin-left: 13.980003356933594pt; margin-right: 19.69598388671875pt; margin-top: 16.9144287109375pt; padding: 0pt 0pt 0pt 22.220001220703125pt; text-indent: -22.220001220703125pt;"><span style="background-color: transparent; color: black; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">8. The diagram shows two potted plants: a cactus and a normal leafy plant kept in sunlight. Observe the diagram and answer the questions that follow. </span></p><p dir="ltr" style="line-height: 2.501499080657959; margin-bottom: 0pt; margin-left: 36.488006591796875pt; margin-right: 24.48004150390625pt; margin-top: 1.84259033203125pt; text-align: center;"><span style="background-color: transparent; color: black; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">Observe the given diagram of stomata and answer the questions that follow. </span><span style="background-color: transparent; color: black; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;"><span style="border: none; display: inline-block; height: 232px; overflow: hidden; width: 348px;"><img height="232" src="https://lh4.googleusercontent.com/aogL27XnmqoS6m3Ij2KbCP2xx6lRUL-Ea-B6yn-vDfE5yridifGTLv5NuhdNy6_0QSzOSTyQ_djHjyA_dOWhCG8s74EzwYId8-j5LmtvJSlzUbOesWy63-9hpiBhi_SCcWlbGktu" style="margin-left: 0px; margin-top: 0px;" width="348" /></span></span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 14.027999877929688pt; margin-top: 0pt;"><span style="background-color: transparent; color: black; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">a) What will you observe in both the polythene bags after few hours? </span></p><p dir="ltr" style="line-height: 1.2794880867004395; margin-bottom: 0pt; margin-right: -0.32000732421875pt; margin-top: 7.4759979248046875pt; text-align: center;"><span style="background-color: transparent; color: #000099; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">Ans: Different amount of water collected in two polythene bags/ the polythene bag tied to the normal plant collects more water compared to cactus. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 14.472000122070312pt; margin-top: 23.981124877929688pt;"><span style="background-color: transparent; color: black; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">b) What can you conclude from above activity? </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-top: 7.4759979248046875pt;"><span style="background-color: transparent; color: #000099; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">Ans: Desert plants lose very little water through transpiration.</span></p><p dir="ltr" style="line-height: 1.35612473487854; margin-bottom: 0pt; margin-left: 13.956001281738281pt; margin-right: 5.10394287109375pt; margin-top: 0pt; padding: 0pt 0pt 0pt 22.50800323486328pt; text-indent: -22.50800323486328pt;"><span style="background-color: transparent; color: black; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">9. </span><span style="background-color: white; color: black; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">Scientists estimate that about one million species of animals live in the ocean. </span><span style="background-color: transparent; color: black; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;"> Oceanic plants need to be able to find a stable place in the ocean in order to access sunlight to make food from photosynthesis. Oceanic plants are generally put into two categories: algae and seaweeds. </span></p><p dir="ltr" style="line-height: 1.3775742530822754; margin-bottom: 0pt; margin-left: 36.176002502441406pt; margin-right: 2.199951171875pt; margin-top: 0.75469970703125pt; text-align: center;"><span style="background-color: transparent; color: black; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">Phytoplankton and other types of algae float on the surface of the ocean. There's more sunlight at the surface of the ocean, so the ability to float freely is an advantage and considered an adaptation. And they can live in many different temperature and climate regions, which is also an adaptive advantage. </span><span style="-webkit-text-decoration-skip: none; background-color: transparent; color: blue; font-family: Calibri,sans-serif; font-size: 11.039999961853027pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration-skip-ink: none; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">https://study.com/academy/lesson/ocean-plant-adaptations-lesson-for-kids.html</span><span style="background-color: transparent; color: blue; font-family: Calibri,sans-serif; font-size: 11.039999961853027pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;"> </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 5.0279998779296875pt; margin-top: 16.86029052734375pt;"><span style="background-color: transparent; color: black; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">a) List the two categories of oceanic plants. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-top: 1.35595703125pt;"><span style="background-color: transparent; color: #000099; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">Ans: algae and seaweeds </span></p><p dir="ltr" style="line-height: 1.359459114074707; margin-bottom: 0pt; margin-left: 5.4720001220703125pt; margin-right: -0.2000732421875pt; margin-top: 18.5159912109375pt; padding: 0pt 0pt 0pt 30.608001708984375pt; text-indent: -30.608001708984375pt;"><span style="background-color: transparent; color: black; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">b) State the characteristic features of a phytoplankton that enables it to survive in water. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-top: 0pt;"><span style="background-color: transparent; color: #000099; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">Ans: The ability to float freely helps them to access sunlight to make their food. </span></p><p dir="ltr" style="line-height: 1.3183693885803223; margin-bottom: 0pt; margin-left: 14.447998046875pt; margin-right: 4.24798583984375pt; margin-top: 68.21600341796875pt; padding: 0pt 0pt 0pt 21.728004455566406pt; text-indent: -21.728004455566406pt;"><span style="background-color: transparent; color: black; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">10. Given below is a picture of Saguaros and some words. Use the given words to fill in the blanks and complete the sentences on the Saguaro cactus. </span><span style="background-color: transparent; color: black; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">The saguaro cactus is one of the defining plants of the Sonoran Desert. These plants are large, tree-like columnar cacti. Saguaros are found exclusively in the Sonoran Desert. The most important factors for growth are water and temperature. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 70.26235961914062pt; margin-top: 50.91130065917969pt;"><span style="border: none; clear: right; display: inline-block; float: right; height: 216px; margin-bottom: 1em; margin-left: 1em; overflow: hidden; width: 244px;"><img height="216" src="https://lh3.googleusercontent.com/CKmRhRs9B7YDG8Z9eFz4DTgr3HqKXD_7hYKq89rxfVI0tw_r-8V7gvLB62CWD7E9_V5CLKtEeVRNfSn1ZldauO-Asm1n_xbJTk9krKPf3sD_l8btFFZSJ5eJ0zVZADGUhTWnpnB6" style="margin-left: 0px; margin-top: 0px;" width="244" /></span><span style="background-color: transparent; color: black; font-family: Arial; font-size: 14.039999961853026pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">WAXY SURFACE </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 52.779205322265625pt; margin-top: 26.3353271484375pt;"><span style="background-color: transparent; color: black; font-family: Arial; font-size: 14.039999961853026pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">PREDATORS HOT </span><span style="background-color: transparent; color: black; font-family: Arial; font-size: 14.039999961853026pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;"><br /></span></p><p dir="ltr" style="line-height: 2.4776415824890137; margin-bottom: 0pt; margin-top: 19.095001220703125pt;"><span style="background-color: transparent; color: black; font-family: Arial; font-size: 14.039999961853026pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">DRYRAIN </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-top: 7.1999969482421875pt;"><span style="background-color: transparent; color: black; font-family: Arial; font-size: 14.039999961853026pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">WATER </span><span style="background-color: transparent; color: black; font-family: Arial; font-size: 14.039999961853026pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;"><br /></span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 18.468002319335938pt; margin-top: 0pt;"><span style="background-color: transparent; color: black; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;"><br /></span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 18.468002319335938pt; margin-top: 0pt;"><span style="background-color: transparent; color: black; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">a) Sonoran Desert is </span><span style="-webkit-text-decoration-skip: none; background-color: transparent; color: #000099; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration-skip-ink: none; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">hot </span><span style="background-color: transparent; color: black; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">and </span><span style="-webkit-text-decoration-skip: none; background-color: transparent; color: #000099; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration-skip-ink: none; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">dry </span><span style="background-color: transparent; color: black; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">for most of the year. </span></p><p dir="ltr" style="line-height: 1.3874579429626464; margin-bottom: 0pt; margin-left: 18.504005432128906pt; margin-right: 29.7039794921875pt; margin-top: 2.31597900390625pt; text-indent: 0.40799713134765625pt;"><span style="background-color: transparent; color: black; font-family: Arial; font-size: 20pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;"><span style="font-size: 0.6em; vertical-align: super;">b) </span></span><span style="background-color: transparent; color: black; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">A desert is a sandy and rocky place that receives so little </span><span style="-webkit-text-decoration-skip: none; background-color: transparent; color: #000099; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration-skip-ink: none; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">rain.</span><span style="background-color: transparent; color: #000099; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;"> </span><span style="background-color: transparent; color: black; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">c) The saguaro cactus has spines; these help protect it from </span><span style="-webkit-text-decoration-skip: none; background-color: transparent; color: #000099; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration-skip-ink: none; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">predators.</span><span style="background-color: transparent; color: #000099; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;"> </span><span style="background-color: transparent; color: black; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">d) The saguaro cactus has a strong </span><span style="-webkit-text-decoration-skip: none; background-color: transparent; color: #000099; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration-skip-ink: none; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">waxy surface </span><span style="background-color: transparent; color: black; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">that helps it retain moisture during the hot days. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 14.447998046875pt; margin-top: 32.86163330078125pt;"><span style="background-color: transparent; color: black; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">11. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 46.496002197265625pt; margin-top: 0pt;"><span style="background-color: transparent; color: red; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">HOTS</span></p><p dir="ltr" style="line-height: 1.3619580745697022; margin-bottom: 0pt; margin-left: 36.092002868652344pt; margin-right: 43.0479736328125pt; margin-top: 14.07598876953125pt; padding: 0pt 0pt 0pt 0.8160018920898438pt; text-indent: -0.8160018920898438pt;"><span style="background-color: transparent; color: black; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">Why are the trees in the mountainous regions cone-shaped with sloping branches? </span></p><p><span id="docs-internal-guid-dbfca272-7fff-4382-d4e0-83e2d1be9d6a"></span></p><p dir="ltr" style="line-height: 1.3194717407226562; margin-bottom: 0pt; margin-right: 22.36187744140625pt; margin-top: 0pt; text-align: right;"><span style="background-color: transparent; color: #000099; font-family: Arial; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">Ans: In mountain regions trees are normally cone shaped and have sloping branches because this helps the rainwater and snow to slide off easily.</span></p>DEEPAL MAKATIhttp://www.blogger.com/profile/09139325353246640272noreply@blogger.com3tag:blogger.com,1999:blog-8714579048989778922.post-50170378901022818682022-01-18T01:56:00.006-08:002022-01-18T01:56:36.489-08:00 SCIENCE Ch 6. Changes around Us WORKBOOK ANSWER<p> <span style="font-family: Arial; font-size: 13.92pt; font-weight: 700; white-space: pre-wrap;">Ch 6. Changes around Us </span></p><span id="docs-internal-guid-6630b9b7-7fff-e716-bb90-442e178b5a05"><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 15.791999816894531pt; margin-top: 33.225341796875pt;"><span style="color: red; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">Objective type questions</span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 20.44800567626953pt; margin-top: 29.1959228515625pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">1. Multiple choice questions </span></p><p dir="ltr" style="line-height: 1.3794529438018799; margin-bottom: 0pt; margin-left: 20.016006469726562pt; margin-right: 25.59014892578125pt; margin-top: 2.15570068359375pt; text-align: center;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">(a) Which of the following is not an example of an irreversible physical change? i. crushing of wood into sawdust ii. </span><span style="color: #231f20; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">cutting of grass </span></p><p dir="ltr" style="line-height: 1.4594175338745117; margin-bottom: 0pt; margin-left: 5.819999694824219pt; margin-right: 40.59002685546875pt; margin-top: 2.94140625pt; text-indent: 35.366004943847656pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">iii. heating an iron rod iv. grinding of wheat into flour </span><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">Ans: heating an iron rod </span></p><p dir="ltr" style="line-height: 1.3594566822052; margin-bottom: 0pt; margin-left: 20.016006469726562pt; margin-right: 46.33209228515625pt; margin-top: 18.2017822265625pt; padding: 0pt 0pt 0pt 23.29400634765625pt; text-indent: -23.29400634765625pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">(b) In which of the following examples, a physical and a chemical change is occurring simultaneously? </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 47.186004638671875pt; margin-top: 0.991455078125pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">i. rusting of iron ii. burning of candle </span></p><p dir="ltr" style="line-height: 1.4594162464141844; margin-bottom: 0pt; margin-left: 5.819999694824219pt; margin-right: 29.412078857421875pt; margin-top: 4.71600341796875pt; text-indent: 35.366004943847656pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">iii. dissolving salt in water iv. adding baking soda to vinegar </span><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">Ans: burning of candle </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 19.692001342773438pt; margin-top: 33.58184814453125pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">2. State whether true or false. Correct the false statements. </span></p><p dir="ltr" style="line-height: 1.279489231109619; margin-bottom: 0pt; margin-left: 5.819999694824219pt; margin-right: 38.946136474609375pt; margin-top: 8.875640869140625pt; text-indent: 14.196006774902344pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">(a) </span><span style="color: #231f20; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">Application of heat can bring about both physical and chemical changes. </span><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">Ans: True </span></p><p dir="ltr" style="line-height: 1.3594566822052; margin-bottom: 0pt; margin-left: 20.016006469726562pt; margin-right: 1.51202392578125pt; margin-top: 17.601104736328125pt; padding: 0pt 0pt 0pt 23.342002868652344pt; text-indent: -23.342002868652344pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">(b) Reversible physical changes are the changes in which the original form of the substance cannot be restored. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 5.819999694824219pt; margin-top: 0pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">Ans: False </span></p><p dir="ltr" style="line-height: 1.3594566822052; margin-bottom: 0pt; margin-left: 42.98600769042969pt; margin-right: 1.342041015625pt; margin-top: 1.355987548828125pt; text-indent: 0.720001220703125pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">Reversible physical changes are the changes in which the original form of the substance can be restored</span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 19.884002685546875pt; margin-top: 16.0814208984375pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">3. Give two examples of : </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 20.016006469726562pt; margin-top: 2.185638427734375pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">(a) Physical changes </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 5.819999694824219pt; margin-top: 1.1160125732421875pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">Ans: breaking of glass, tearing of paper, freezing of water, melting of ice </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 20.016006469726562pt; margin-top: 18.635986328125pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">(b) Man-made changes </span></p><p dir="ltr" style="line-height: 1.2794867992401122; margin-bottom: 0pt; margin-left: 5.819999694824219pt; margin-right: 17.10595703125pt; margin-top: 1.35601806640625pt; padding: 0pt 0pt 0pt 37.26200866699219pt; text-indent: -37.26200866699219pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">Ans: Cutting of wood, making of paper, growing food in fields, burning fuels and making dams </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 20.016006469726562pt; margin-top: 17.621139526367188pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">(c) Slow changes </span></p><p dir="ltr" style="line-height: 1.2794886589050292; margin-bottom: 0pt; margin-left: 6.096000671386719pt; margin-right: 26.4539794921875pt; margin-top: 1.355987548828125pt; padding: 0pt 0pt 0pt 37.610008239746094pt; text-indent: -37.610008239746094pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">ans: Growth of plants and animals, Formation of rocks, soil and fossil fuels, Formation of mountains, Soil erosion </span></p><p dir="ltr" style="line-height: 1.4432506084442138; margin-bottom: 0pt; margin-left: 19.428001403808594pt; margin-right: 17.0880126953125pt; margin-top: 0pt; padding: 0pt 0pt 0pt 23.378005981445312pt; text-indent: -23.378005981445312pt;"><span style="font-family: Arial; font-size: 20pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;"><span style="font-size: 0.6em; vertical-align: super;">4. </span></span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">In the following questions, two statements are given- one labelled Assertion (A) and the other labelled Reason (R). Read the statements carefully and choose the correct alternative (A), (B), (C) and (D) as given below. </span></p><p dir="ltr" style="line-height: 1.5293894290924073; margin-bottom: 0pt; margin-left: 43.082008361816406pt; margin-right: 9.43603515625pt; margin-top: 6.12689208984375pt; padding: 0pt 0pt 0pt 0.23999786376953125pt; text-indent: -0.23999786376953125pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">(A) Both A and R are true and R is correct explanation of the assertion. (B) Both A and R are true but R is not the correct explanation of the assertion. (C) A is true but R is false. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 42.842002868652344pt; margin-top: 0.96209716796875pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">(D) A is false but R is true. </span></p><p dir="ltr" style="line-height: 1.3194717407226562; margin-bottom: 0pt; margin-left: 20.016006469726562pt; margin-right: 37.73602294921875pt; margin-top: 3.9959716796875pt; padding: 0pt 0pt 0pt 23.69000244140625pt; text-indent: -23.69000244140625pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">(a) </span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">Assertion: </span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">R</span><span style="color: #231f20; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">otting of food is an example of an undesirable change. </span><span style="color: #231f20; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">Reason: </span><span style="color: #231f20; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">Changes that are useful to us are known as undesirable changes. </span><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">(C) A is true but R is false. </span></p><p dir="ltr" style="line-height: 1.3045638084411622; margin-bottom: 0pt; margin-left: 20.016006469726562pt; margin-right: 3.2320556640625pt; margin-top: 33.79132080078125pt; padding: 0pt 0pt 0pt 23.29400634765625pt; text-indent: -23.29400634765625pt;"><span style="font-family: Arial; font-size: 20pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;"><span style="font-size: 0.6em; vertical-align: super;">(b) </span></span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">Assertion</span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">: Adding baking soda to vinegar results in a chemical change with the evolution of carbon dioxide gas. </span></p><p dir="ltr" style="line-height: 1.3794477939605712; margin-bottom: 0pt; margin-left: 43.31001281738281pt; margin-right: 25.1700439453125pt; margin-top: 2.40142822265625pt; text-indent: 0.39599609375pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">Reason</span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">: When two or more substances are mixed they may react with each other to form a new substance. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-right: 28.89007568359375pt; margin-top: 3.4215087890625pt; text-align: right;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">(A) Both A and R are true and R is correct explanation of the assertion. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 15.540000915527344pt; margin-top: 41.196014404296875pt;"><span style="color: red; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">Theory type questions</span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 20.02800750732422pt; margin-top: 29.215972900390625pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">5. Answer in brief: </span></p><p dir="ltr" style="line-height: 1.3394628524780272; margin-bottom: 0pt; margin-left: 20.016006469726562pt; margin-right: 1.3780517578125pt; margin-top: 2.155731201171875pt; padding: 0pt 0pt 0pt 41.702003479003906pt; text-indent: -41.702003479003906pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">(a) What is a change? Explain why water cycle is considered as an example of reversible change. </span></p><p dir="ltr" style="line-height: 1.279489231109619; margin-bottom: 0pt; margin-left: 5.819999694824219pt; margin-right: 3.58197021484375pt; margin-top: 0pt; padding: 0pt 0pt 0pt 55.26200866699219pt; text-indent: -55.26200866699219pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">Ans: </span><span style="color: #000099; font-family: "Noto Sans Symbols", sans-serif; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">∙ </span><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">The transformation either in the appearance, properties or functions of a substance is called a change. </span></p><p dir="ltr" style="line-height: 1.2794867992401122; margin-bottom: 0pt; margin-left: 43.37001037597656pt; margin-right: 19.86602783203125pt; margin-top: 0.591094970703125pt; padding: 0pt 0pt 0pt 17.76000213623047pt; text-indent: -17.76000213623047pt;"><span style="color: #000099; font-family: "Noto Sans Symbols", sans-serif; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">∙ </span><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">The water cycle is based on the interconversion of the three physical states of water. </span></p><p dir="ltr" style="line-height: 1.2794867992401122; margin-bottom: 0pt; margin-left: 43.37001037597656pt; margin-right: 3.6800537109375pt; margin-top: 0.321136474609375pt; padding: 0pt 0pt 0pt 17.615997314453125pt; text-indent: -17.615997314453125pt;"><span style="color: #000099; font-family: "Noto Sans Symbols", sans-serif; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">∙ </span><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">Processes such as melting, boiling, evaporation, freezing, condensation that are part of the water cycle are reversible changes. </span></p><p dir="ltr" style="line-height: 1.2794867992401122; margin-bottom: 0pt; margin-left: 43.37001037597656pt; margin-right: 26.8060302734375pt; margin-top: 0.5611419677734375pt; padding: 0pt 0pt 0pt 17.76000213623047pt; text-indent: -17.76000213623047pt;"><span style="color: #000099; font-family: "Noto Sans Symbols", sans-serif; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">∙ </span><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">In these changes, there is a change in the state of matter but a new substance is not formed. </span></p><p dir="ltr" style="line-height: 1.3394641399383544; margin-bottom: 0pt; margin-left: 20.016006469726562pt; margin-right: 19.1820068359375pt; margin-top: 17.861129760742188pt; padding: 0pt 0pt 0pt 22.874000549316406pt; text-indent: -22.874000549316406pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">(b) ‘ The property of solids to expand and contract is used in making the wooden wheel of a cart. Explain. </span></p><p dir="ltr" style="line-height: 1.2794880867004395; margin-bottom: 0pt; margin-left: 5.819999694824219pt; margin-right: 1.68603515625pt; margin-top: 0pt; padding: 0pt 0pt 0pt 55.34600830078125pt; text-indent: -55.34600830078125pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">Ans: </span><span style="color: #000099; font-family: "Noto Sans Symbols", sans-serif; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">∙ </span><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">The diameter of the metal rim is kept slightly smaller than the diameter of the wooden wheel. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-right: 1.73406982421875pt; margin-top: 0.5631103515625pt; text-align: right;"><span style="color: #000099; font-family: "Noto Sans Symbols", sans-serif; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">∙ </span><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">When the metal rim is heated, it expands and can easily be placed on </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 60.98600769042969pt; margin-top: 0pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">the wooden wheel. </span></p><p dir="ltr" style="line-height: 1.2694911003112792; margin-bottom: 0pt; margin-left: 43.37001037597656pt; margin-right: 1.62408447265625pt; margin-top: 1.35601806640625pt; padding: 0pt 0pt 0pt 17.795997619628906pt; text-align: justify; text-indent: -17.795997619628906pt;"><span style="color: #000099; font-family: "Noto Sans Symbols", sans-serif; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">∙ </span><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">Cold water is then poured to cool the metal rim. Once cooled it contracts and fits tightly onto the wheel. This helps in the smooth movement of the wheel and less wear and tear of the wood. </span></p><p dir="ltr" style="line-height: 1.2794867992401122; margin-bottom: 0pt; margin-left: 43.37001037597656pt; margin-right: 1.60003662109375pt; margin-top: 0.69110107421875pt; padding: 0pt 0pt 0pt 17.615997314453125pt; text-align: justify; text-indent: -17.615997314453125pt;"><span style="color: #000099; font-family: "Noto Sans Symbols", sans-serif; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">∙ </span><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">In making of a spade, the iron blade is heated so that it expands and fits onto the wooden handle. After cooling the iron blade contracts and remains firmly attached to the handle. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 20.016006469726562pt; margin-top: 16.64111328125pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">(c) Differentiate between: </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 23.639999389648438pt; margin-top: 2.33599853515625pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">i. Physical change and Chemical change </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 5.819999694824219pt; margin-top: 1.35595703125pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">Ans: </span></p><div align="left" dir="ltr" style="margin-left: 36.98600769042969pt;"><table style="border-collapse: collapse; border: none;"><colgroup><col width="276"></col><col width="300"></col></colgroup><tbody><tr style="height: 16.79998779296875pt;"><td style="border-bottom: solid #000000 1pt; border-left: solid #000000 1pt; border-right: solid #000000 1pt; border-top: solid #000000 1pt; overflow-wrap: break-word; overflow: hidden; padding: 5pt 5pt 5pt 5pt; vertical-align: top;"><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-top: 0pt; text-align: center;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">Physical change </span></p></td><td style="border-bottom: solid #000000 1pt; border-left: solid #000000 1pt; border-right: solid #000000 1pt; border-top: solid #000000 1pt; overflow-wrap: break-word; overflow: hidden; padding: 5pt 5pt 5pt 5pt; vertical-align: top;"><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-top: 0pt; text-align: center;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">chemical change</span></p></td></tr><tr style="height: 46.32000732421875pt;"><td style="border-bottom: solid #000000 1pt; border-left: solid #000000 1pt; border-right: solid #000000 1pt; border-top: solid #000000 1pt; overflow-wrap: break-word; overflow: hidden; padding: 5pt 5pt 5pt 5pt; vertical-align: top;"><p dir="ltr" style="line-height: 1.279491949081421; margin-bottom: 0pt; margin-left: 5.94000244140625pt; margin-right: 9.837982177734375pt; margin-top: 0pt; padding: 0pt 0pt 0pt 0.23999786376953125pt; text-indent: -0.23999786376953125pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">There is no change in the identity of the substance (matter) </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 6.444000244140625pt; margin-top: 0.56103515625pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">undergoing the change.</span></p></td><td style="border-bottom: solid #000000 1pt; border-left: solid #000000 1pt; border-right: solid #000000 1pt; border-top: solid #000000 1pt; overflow-wrap: break-word; overflow: hidden; padding: 5pt 5pt 5pt 5pt; vertical-align: top;"><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 5.699981689453125pt; margin-top: 0pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">The identity of the substance </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 6.2039794921875pt; margin-top: 1.35601806640625pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">undergoing the change is lost.</span></p></td></tr><tr style="height: 46.59002685546875pt;"><td style="border-bottom: solid #000000 1pt; border-left: solid #000000 1pt; border-right: solid #000000 1pt; border-top: solid #000000 1pt; overflow-wrap: break-word; overflow: hidden; padding: 5pt 5pt 5pt 5pt; vertical-align: top;"><p dir="ltr" style="line-height: 1.2694911003112792; margin-bottom: 0pt; margin-left: 6pt; margin-right: 4.16400146484375pt; margin-top: 0pt; text-indent: 0.720001220703125pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">No new products are formed, only the form (state) of the substance changes.</span></p></td><td style="border-bottom: solid #000000 1pt; border-left: solid #000000 1pt; border-right: solid #000000 1pt; border-top: solid #000000 1pt; overflow-wrap: break-word; overflow: hidden; padding: 5pt 5pt 5pt 5pt; vertical-align: top;"><p dir="ltr" style="line-height: 1.2694911003112792; margin-bottom: 0pt; margin-left: 5.90399169921875pt; margin-right: 28.07208251953125pt; margin-top: 0pt; text-indent: 0.57598876953125pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">New products with completely different properties from the one started with are formed.</span></p></td></tr><tr style="height: 31.199951171875pt;"><td style="border-bottom: solid #000000 1pt; border-left: solid #000000 1pt; border-right: solid #000000 1pt; border-top: solid #000000 1pt; overflow-wrap: break-word; overflow: hidden; padding: 5pt 5pt 5pt 5pt; vertical-align: top;"><p dir="ltr" style="line-height: 1.2794867992401122; margin-bottom: 0pt; margin-left: 6.540000915527344pt; margin-right: 31.26800537109375pt; margin-top: 0pt; text-indent: 0.18000030517578125pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">Most physical changes can be reversed by simple methods.</span></p></td><td style="border-bottom: solid #000000 1pt; border-left: solid #000000 1pt; border-right: solid #000000 1pt; border-top: solid #000000 1pt; overflow-wrap: break-word; overflow: hidden; padding: 5pt 5pt 5pt 5pt; vertical-align: top;"><p dir="ltr" style="line-height: 1.2794867992401122; margin-bottom: 0pt; margin-left: 6.29998779296875pt; margin-right: 29.322052001953125pt; margin-top: 0pt; text-indent: 0.17999267578125pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">Most chemical changes cannot be reversed by simple methods.</span></p></td></tr></tbody></table></div><br /><br /><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 20.76000213623047pt; margin-top: 0pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">ii. \Natural and Artificial changes </span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;"><br /></span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-top: 1.836029052734375pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">Ans: </span></p><div align="left" dir="ltr" style="margin-left: 31.16600799560547pt;"><table style="border-collapse: collapse; border: none;"><colgroup><col width="276"></col><col width="300"></col></colgroup><tbody><tr style="height: 15.8399658203125pt;"><td style="border-bottom: solid #000000 1pt; border-left: solid #000000 1pt; border-right: solid #000000 1pt; border-top: solid #000000 1pt; overflow-wrap: break-word; overflow: hidden; padding: 5pt 5pt 5pt 5pt; vertical-align: top;"><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 6.540000915527344pt; margin-top: 0pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">natural changes </span></p></td><td style="border-bottom: solid #000000 1pt; border-left: solid #000000 1pt; border-right: solid #000000 1pt; border-top: solid #000000 1pt; overflow-wrap: break-word; overflow: hidden; padding: 5pt 5pt 5pt 5pt; vertical-align: top;"><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 5.855987548828125pt; margin-top: 0pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">artificial changes</span></p></td></tr><tr style="height: 46.580047607421875pt;"><td style="border-bottom: solid #000000 1pt; border-left: solid #000000 1pt; border-right: solid #000000 1pt; border-top: solid #000000 1pt; overflow-wrap: break-word; overflow: hidden; padding: 5pt 5pt 5pt 5pt; vertical-align: top;"><p dir="ltr" style="line-height: 1.2803219318389891; margin-bottom: 0pt; margin-left: 5.784004211425781pt; margin-right: 10.916015625pt; margin-top: 0pt; padding: 0pt 0pt 0pt 0.15599822998046875pt; text-indent: -0.15599822998046875pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">The changes around us that take place without any human efforts; are called natural changes.</span></p></td><td style="border-bottom: solid #000000 1pt; border-left: solid #000000 1pt; border-right: solid #000000 1pt; border-top: solid #000000 1pt; overflow-wrap: break-word; overflow: hidden; padding: 5pt 5pt 5pt 5pt; vertical-align: top;"><p dir="ltr" style="line-height: 1.2803219318389891; margin-bottom: 0pt; margin-left: 5.699981689453125pt; margin-right: 19.530029296875pt; margin-top: 0pt; padding: 0pt 0pt 0pt 0.240020751953125pt; text-align: justify; text-indent: -0.240020751953125pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">The changes which occur only with human effort are called man-made changes or artificial changes.</span></p></td></tr><tr style="height: 46.319976806640625pt;"><td style="border-bottom: solid #000000 1pt; border-left: solid #000000 1pt; border-right: solid #000000 1pt; border-top: solid #000000 1pt; overflow-wrap: break-word; overflow: hidden; padding: 5pt 5pt 5pt 5pt; vertical-align: top;"><p dir="ltr" style="line-height: 1.2694925308227538; margin-bottom: 0pt; margin-left: 5.8560028076171875pt; margin-right: 13.1619873046875pt; margin-top: 0pt; text-indent: 0.32399749755859375pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">ex: Change of seasons, transition from day to night, blowing of winds, earthquakes</span></p></td><td style="border-bottom: solid #000000 1pt; border-left: solid #000000 1pt; border-right: solid #000000 1pt; border-top: solid #000000 1pt; overflow-wrap: break-word; overflow: hidden; padding: 5pt 5pt 5pt 5pt; vertical-align: top;"><p dir="ltr" style="line-height: 1.2694925308227538; margin-bottom: 0pt; margin-left: 5.855987548828125pt; margin-right: 2.26202392578125pt; margin-top: 0pt; text-indent: 0.084014892578125pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">ex: cutting of wood, making of paper, growing food in fields, burning fuels and making dams</span></p></td></tr></tbody></table></div><br /><br /><span style="font-family: Arial; font-size: 11pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;"><br /></span><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 19.788002014160156pt; margin-top: 0pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">6. </span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">Give reasons for the following: </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 20.016006469726562pt; margin-top: 18.665985107421875pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">(a) Gaps are left between railway tracks. </span></p><p dir="ltr" style="line-height: 1.2728243350982666; margin-bottom: 0pt; margin-left: 5.819999694824219pt; margin-right: 22.12811279296875pt; margin-top: 1.3560028076171875pt; padding: 0pt 0pt 0pt 37.022010803222656pt; text-indent: -37.022010803222656pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">Ans: Heat causes metals to expand. Gaps are left between railway tracks to allow the expansion of the metal during summer. Otherwise, the tracks would bend and may cause accidents. Hence gaps are left between the railway tracks. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 20.016006469726562pt; margin-top: 17.927749633789062pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">(b) Melting of ice is a reversible process. </span></p><p dir="ltr" style="line-height: 1.2695750713348388; margin-bottom: 0pt; margin-left: 5.819999694824219pt; margin-right: 8.77001953125pt; margin-top: 1.3560028076171875pt; padding: 0pt 0pt 0pt 37.16600799560547pt; text-indent: -37.16600799560547pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">Ans: Ice kept out of the refrigerator, begins to melt and changes into water. If the same water is put back into the freezer, it changes back to ice. Hence, melting of ice is a reversible process.</span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 16.31999969482422pt; margin-top: 0pt;"><span style="color: red; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">Picture based questions</span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 19.764007568359375pt; margin-top: 29.9459228515625pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">7. </span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;"><span style="border: none; display: inline-block; height: 155px; overflow: hidden; width: 264px;"><img height="155" src="https://lh6.googleusercontent.com/868tQ76g7wAhhS8nTtGEU7HiVXGtWIbCgOvcvtBN4abAN2NPbpkN-jYAscCfmQJil0KlWuCvfOFuXpltDM0HeLQCttHurTsgqASbSfBDvGXJ9QVVyLPjBpKol_b0H2T5dV2fg9kc" style="margin-left: 0px; margin-top: 0px;" width="264" /></span></span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 20.016006469726562pt; margin-top: 0pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">(a) What causes the change in the object as seen in the picture? </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 5.819999694824219pt; margin-top: 7.59600830078125pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">Ans: Pressure </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 20.016006469726562pt; margin-top: 25.865966796875pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">(b) Describe the changes in the object at the molecular level. </span></p><p dir="ltr" style="line-height: 1.279489231109619; margin-bottom: 0pt; margin-left: 5.819999694824219pt; margin-right: 36.92999267578125pt; margin-top: 7.35595703125pt; padding: 0pt 0pt 0pt 55.34600830078125pt; text-indent: -55.34600830078125pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">Ans: </span><span style="color: #000099; font-family: "Noto Sans Symbols", sans-serif; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">∙ </span><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">When we apply pressure, the molecules of a substance undergo a change in terms of their position. </span></p><p dir="ltr" style="line-height: 1.2794867992401122; margin-bottom: 0pt; margin-left: 43.37001037597656pt; margin-right: 9.330078125pt; margin-top: 0.561126708984375pt; padding: 0pt 0pt 0pt 17.711997985839844pt; text-indent: -17.711997985839844pt;"><span style="color: #000099; font-family: "Noto Sans Symbols", sans-serif; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">∙ </span><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">In most cases, the substance regains its original state or shape as soon as the pressure is released. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 60.746009826660156pt; margin-top: 0.561126708984375pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;"> </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 15.419998168945312pt; margin-top: 14.576019287109375pt;"><span style="color: red; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">Activity based question </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 172.39601135253906pt; margin-top: 0.636016845703125pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;"> </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 19.668006896972656pt; margin-right: 65.22006225585938pt; margin-top: 15.5159912109375pt; text-align: center;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">8. </span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;"><span style="border: none; display: inline-block; height: 137px; overflow: hidden; width: 461px;"><img height="137" src="https://lh6.googleusercontent.com/1uFTOm7YLFPSOsQEYN_0rJOynYpiimA5twy8a0PPFo3V1h1or4yWqh6RMTTulxiCtrIQ5nS8nq-AhlvuiuDPuejHb5c_NbaEFsUwAwXD8Vr_mXwePem5velC0Z7CIOxeATdPsWE3" style="margin-left: 0px; margin-top: 0px;" width="461" /></span></span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">Picture A Picture B Picture C </span></p><p dir="ltr" style="line-height: 1.273379373550415; margin-bottom: 0pt; margin-left: 5.819999694824219pt; margin-right: 1.50811767578125pt; margin-top: 13.216278076171875pt; text-indent: 37.082008361816406pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">Why does the metal ball slip through the ring in picture A but not in picture C? </span><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">Ans: On heating, the ball expands and increases in diameter. This restricts the ball from slipping through the ring in picture C. After cooling, the metal ball contracts and slips through the ring in picture A. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 16.31999969482422pt; margin-top: 0pt;"><span style="color: red; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">Fun based questions</span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 19.656005859375pt; margin-top: 13.8359375pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">9. </span><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">Classify the changes given below into fast and slow changes. </span></p><div align="left" dir="ltr" style="margin-left: 0pt;"><table style="border-collapse: collapse; border: none;"><colgroup><col width="326"></col><col width="300"></col></colgroup><tbody><tr style="height: 16.79998779296875pt;"><td style="border-bottom: solid #000000 1pt; border-left: solid #000000 1pt; border-right: solid #000000 1pt; border-top: solid #000000 1pt; overflow-wrap: break-word; overflow: hidden; padding: 5pt 5pt 5pt 5pt; vertical-align: top;"><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-top: 0pt; text-align: center;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">Burning of paper </span></p></td><td style="border-bottom: solid #000000 1pt; border-left: solid #000000 1pt; border-right: solid #000000 1pt; border-top: solid #000000 1pt; overflow-wrap: break-word; overflow: hidden; padding: 5pt 5pt 5pt 5pt; vertical-align: top;"><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-top: 0pt; text-align: center;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">Fast</span></p></td></tr><tr style="height: 16.79998779296875pt;"><td style="border-bottom: solid #000000 1pt; border-left: solid #000000 1pt; border-right: solid #000000 1pt; border-top: solid #000000 1pt; overflow-wrap: break-word; overflow: hidden; padding: 5pt 5pt 5pt 5pt; vertical-align: top;"><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-top: 0pt; text-align: center;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">Change in weather </span></p></td><td style="border-bottom: solid #000000 1pt; border-left: solid #000000 1pt; border-right: solid #000000 1pt; border-top: solid #000000 1pt; overflow-wrap: break-word; overflow: hidden; padding: 5pt 5pt 5pt 5pt; vertical-align: top;"><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-top: 0pt; text-align: center;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">Slow</span></p></td></tr><tr style="height: 16.79998779296875pt;"><td style="border-bottom: solid #000000 1pt; border-left: solid #000000 1pt; border-right: solid #000000 1pt; border-top: solid #000000 1pt; overflow-wrap: break-word; overflow: hidden; padding: 5pt 5pt 5pt 5pt; vertical-align: top;"><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-top: 0pt; text-align: center;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">Spinning of top </span></p></td><td style="border-bottom: solid #000000 1pt; border-left: solid #000000 1pt; border-right: solid #000000 1pt; border-top: solid #000000 1pt; overflow-wrap: break-word; overflow: hidden; padding: 5pt 5pt 5pt 5pt; vertical-align: top;"><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-top: 0pt; text-align: center;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">fast </span></p></td></tr><tr style="height: 16.800048828125pt;"><td style="border-bottom: solid #000000 1pt; border-left: solid #000000 1pt; border-right: solid #000000 1pt; border-top: solid #000000 1pt; overflow-wrap: break-word; overflow: hidden; padding: 5pt 5pt 5pt 5pt; vertical-align: top;"><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-top: 0pt; text-align: center;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">Occurrence of day and night </span></p></td><td style="border-bottom: solid #000000 1pt; border-left: solid #000000 1pt; border-right: solid #000000 1pt; border-top: solid #000000 1pt; overflow-wrap: break-word; overflow: hidden; padding: 5pt 5pt 5pt 5pt; vertical-align: top;"><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-top: 0pt; text-align: center;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">slow </span></p></td></tr></tbody></table></div><br /><br /><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 16.31999969482422pt; margin-top: 0pt;"><span style="color: red; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">HOTS </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 20.44800567626953pt; margin-top: 13.83599853515625pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">10. </span></p><p dir="ltr" style="line-height: 1.2707419395446777; margin-bottom: 0pt; margin-left: 5.819999694824219pt; margin-right: 17.66204833984375pt; margin-top: 2.31591796875pt; text-indent: 9.876007080078125pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">(a) How will you separate two steel vessels that are stuck to each other? </span><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">Ans: The two steel vessels can be separated from each other by heating since heating results in the expansion of metal vessel. </span></p><p dir="ltr" style="line-height: 1.3594552516937255; margin-bottom: 0pt; margin-left: 15.696006774902344pt; margin-right: 3.30999755859375pt; margin-top: 19.128631591796875pt; padding: 0pt 0pt 0pt 28.022003173828125pt; text-indent: -28.022003173828125pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">(b) Sonam mixes all the materials required to make a chocolate cake and then she bakes the mixture in the oven. List different types of changes taking place while making the cake. </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 5.819999694824219pt; margin-top: 0pt;"><span style="color: #000099; font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">Ans: chemical ,irreversible, slow and desirable </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-left: 7.3560028076171875pt; margin-top: 3.7760009765625pt;"><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;"> </span></p><div><span style="font-family: Arial; font-size: 12pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;"><br /></span></div></span>DEEPAL MAKATIhttp://www.blogger.com/profile/09139325353246640272noreply@blogger.com0tag:blogger.com,1999:blog-8714579048989778922.post-49791239704458208172022-01-18T01:54:00.002-08:002022-01-18T01:54:42.473-08:00SCIENCE CHAPTER 6 CHANGES AROUND US TEXTBOOK ANSWER<p> </p><p><span style="font-family: Calibri, sans-serif;"><span style="font-size: 32px; white-space: pre-wrap;">SCIENCE CHAPTER 6 CHANGES AROUND US</span></span></p><p><span style="font-family: Calibri, sans-serif; font-size: 24pt; white-space: pre-wrap;"><br /></span></p><p><span style="font-family: Calibri, sans-serif; font-size: 24pt; white-space: pre-wrap;">Q.4 classify following in physical and chemical changes </span></p><span id="docs-internal-guid-3db96b25-7fff-41e8-2b05-afc13d142c81"> <table style="background-color: #e8ecf4; border-collapse: collapse; border: none; filter: alpha(opacity=100); opacity: 1;"><colgroup><col width="320px"></col><col width="320px"></col></colgroup><tbody><tr style="height: 39px;"><td style="background-color: #4f81bd; border-bottom: solid #FFFFFF 4px; border-left: solid #FFFFFF 1.3333333333333333px; border-right: solid #FFFFFF 1.3333333333333333px; border-top: solid #FFFFFF 1.3333333333333333px; filter: alpha(opacity=100); opacity: 1; padding-bottom: 5px; padding-left: 10px; padding-right: 10px; padding-top: 5px; vertical-align: top;"><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-top: 0pt;"><span style="background-color: transparent; color: white; font-family: Calibri, sans-serif; font-size: 18pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">Physical changes</span></p></td><td style="background-color: #4f81bd; border-bottom: solid #FFFFFF 4px; border-left: solid #FFFFFF 1.3333333333333333px; border-right: solid #FFFFFF 1.3333333333333333px; border-top: solid #FFFFFF 1.3333333333333333px; filter: alpha(opacity=100); opacity: 1; padding-bottom: 5px; padding-left: 10px; padding-right: 10px; padding-top: 5px; vertical-align: top;"><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-top: 0pt;"><span style="background-color: transparent; color: white; font-family: Calibri, sans-serif; font-size: 18pt; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 700; vertical-align: baseline; white-space: pre-wrap;">Chemical changes</span></p></td></tr><tr style="height: 39px;"><td style="background-color: #cfd7e7; border-bottom: solid #FFFFFF 1.3333333333333333px; border-left: solid #FFFFFF 1.3333333333333333px; border-right: solid #FFFFFF 1.3333333333333333px; border-top: solid #FFFFFF 4px; filter: alpha(opacity=100); opacity: 1; padding-bottom: 5px; padding-left: 10px; padding-right: 10px; padding-top: 5px; vertical-align: top;"><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-top: 0pt;"><span style="background-color: transparent; font-family: Calibri, sans-serif; font-size: 18pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">Melting of an ice-cream</span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-top: 0pt;"><span style="background-color: transparent; font-family: Calibri, sans-serif; font-size: 18pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">Melting of wax</span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-top: 0pt;"><span style="background-color: transparent; font-family: Calibri, sans-serif; font-size: 18pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">Lighting of a bulb</span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-top: 0pt;"><span style="background-color: transparent; font-family: Calibri, sans-serif; font-size: 18pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">Formation of fog</span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-top: 0pt;"><span style="background-color: transparent; font-family: Calibri, sans-serif; font-size: 18pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">Formation of cloud</span></p><br /></td><td style="background-color: #cfd7e7; border-bottom: solid #FFFFFF 1.3333333333333333px; border-left: solid #FFFFFF 1.3333333333333333px; border-right: solid #FFFFFF 1.3333333333333333px; border-top: solid #FFFFFF 4px; filter: alpha(opacity=100); opacity: 1; padding-bottom: 5px; padding-left: 10px; padding-right: 10px; padding-top: 5px; vertical-align: top;"><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-top: 0pt;"><span style="background-color: transparent; font-family: Calibri, sans-serif; font-size: 18pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">Baking of cake</span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-top: 0pt;"><span style="background-color: transparent; font-family: Calibri, sans-serif; font-size: 18pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">Burning a paper</span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-top: 0pt;"><span style="background-color: transparent; font-family: Calibri, sans-serif; font-size: 18pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">Boiling of egg</span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-top: 0pt;"><span style="background-color: transparent; font-family: Calibri, sans-serif; font-size: 18pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">Lighting of matchsticks</span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-top: 0pt;"><span style="background-color: transparent; font-family: Calibri, sans-serif; font-size: 18pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">Formation of coal</span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-top: 0pt;"><span style="background-color: transparent; font-family: Calibri, sans-serif; font-size: 18pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">Curdling of milk</span></p></td></tr></tbody></table><br /><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-top: 0pt;"><span style="font-family: Calibri, sans-serif; font-size: 24pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">Q.5 Answer the following questions in short.</span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-top: 0pt;"><span style="font-family: Calibri, sans-serif; font-size: 24pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">a.) list three main causes of change</span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-top: 0pt;"><span style="color: #0070c0; font-family: Calibri, sans-serif; font-size: 24pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">Ans. 1) Pressure </span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-top: 0pt;"><span style="color: #0070c0; font-family: Calibri, sans-serif; font-size: 24pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;"> 2) Heat</span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-top: 0pt;"><span style="color: #0070c0; font-family: Calibri, sans-serif; font-size: 24pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;"> 3) Mixing</span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-top: 0pt;"><span style="color: #0070c0; font-family: Calibri, sans-serif; font-size: 24pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;"><br /></span></p><p dir="ltr" style="line-height: 1.08; margin-bottom: 0pt; margin-top: 0pt; padding: 0pt 0pt 0pt 27pt; text-indent: -27pt;"><span style="background-color: transparent; color: black; font-family: Calibri,sans-serif; font-size: 20.4pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">b) Give two examples of each of the following</span></p><p dir="ltr" style="line-height: 1.08; margin-bottom: 0pt; margin-top: 4.08pt; padding: 0pt 0pt 0pt 27pt; text-indent: -27pt;"><span style="background-color: transparent; color: black; font-family: Calibri,sans-serif; font-size: 20.4pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;"> i) Man-made changes – </span><span style="background-color: transparent; color: #0070c0; font-family: Calibri,sans-serif; font-size: 20.4pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">1)Cooking</span></p><p dir="ltr" style="line-height: 1.08; margin-bottom: 0pt; margin-top: 4.08pt; padding: 0pt 0pt 0pt 27pt; text-indent: -27pt;"><span style="background-color: transparent; color: #0070c0; font-family: Calibri,sans-serif; font-size: 20.4pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;"> 2)Making dams</span></p><p dir="ltr" style="line-height: 1.08; margin-bottom: 0pt; margin-top: 4.08pt; padding: 0pt 0pt 0pt 27pt; text-indent: -27pt;"><span style="background-color: transparent; color: black; font-family: Calibri,sans-serif; font-size: 20.4pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">ii) Reversible changes </span><span style="background-color: transparent; color: #0070c0; font-family: Calibri,sans-serif; font-size: 20.4pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">– 1) Melting ice</span></p><p dir="ltr" style="line-height: 1.08; margin-bottom: 0pt; margin-top: 4.08pt; padding: 0pt 0pt 0pt 27pt; text-indent: -27pt;"><span style="background-color: transparent; color: #0070c0; font-family: Calibri,sans-serif; font-size: 20.4pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;"> 2) Water cycle</span></p><p dir="ltr" style="line-height: 1.08; margin-bottom: 0pt; margin-top: 4.08pt; padding: 0pt 0pt 0pt 27pt; text-indent: -27pt;"><span style="background-color: transparent; color: black; font-family: Calibri,sans-serif; font-size: 20.4pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">iii) Undesirable changes – </span><span style="background-color: transparent; color: #0070c0; font-family: Calibri,sans-serif; font-size: 20.4pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">1) Earthquake</span></p><p dir="ltr" style="line-height: 1.08; margin-bottom: 0pt; margin-top: 4.08pt; padding: 0pt 0pt 0pt 27pt; text-indent: -27pt;"><span style="background-color: transparent; color: #0070c0; font-family: Calibri,sans-serif; font-size: 20.4pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;"> 2) Rotting of food </span></p><p dir="ltr" style="line-height: 1.08; margin-bottom: 0pt; margin-top: 4.08pt; padding: 0pt 0pt 0pt 27pt; text-indent: -27pt;"><span style="background-color: transparent; color: black; font-family: Calibri,sans-serif; font-size: 20.4pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">c) State one difference between desirable changes and undesirable changes.</span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-top: 0pt;"><span style="color: #0070c0; font-family: Calibri, sans-serif; font-size: 24pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;"><b id="docs-internal-guid-c6deae9d-7fff-41a1-fe34-80d9a7e36119" style="font-weight: normal;"><br /></b></span></p><p dir="ltr" style="line-height: 1.08; margin-bottom: 0pt; margin-top: 4.08pt; padding: 0pt 0pt 0pt 27pt; text-indent: -27pt;"><span style="background-color: transparent; color: black; font-family: Calibri,sans-serif; font-size: 20.4pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">Q.6 Define the following</span></p><p dir="ltr" style="line-height: 1.08; margin-bottom: 0pt; margin-top: 4.08pt; padding: 0pt 0pt 0pt 27pt; text-indent: -27pt;"><span style="background-color: transparent; color: black; font-family: Calibri,sans-serif; font-size: 20.4pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">a) Irreversible changes </span><span style="background-color: transparent; color: #0070c0; font-family: Calibri,sans-serif; font-size: 20.4pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">:- A change that can not be reversed </span></p><p dir="ltr" style="line-height: 1.08; margin-bottom: 0pt; margin-top: 4.08pt; padding: 0pt 0pt 0pt 27pt; text-indent: -27pt;"><span style="background-color: transparent; color: #0070c0; font-family: Calibri,sans-serif; font-size: 20.4pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">Example :- cooking of food</span></p><p dir="ltr" style="line-height: 1.08; margin-bottom: 0pt; margin-top: 4.08pt; padding: 0pt 0pt 0pt 27pt; text-indent: -27pt;"><span style="background-color: transparent; color: black; font-family: Calibri,sans-serif; font-size: 20.4pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">b) Fast change </span><span style="background-color: transparent; color: #0070c0; font-family: Calibri,sans-serif; font-size: 20.4pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">:-changes those occur in short time are called fast changes.</span></p><p dir="ltr" style="line-height: 1.08; margin-bottom: 0pt; margin-top: 4.08pt; padding: 0pt 0pt 0pt 27pt; text-indent: -27pt;"><span style="background-color: transparent; color: #0070c0; font-family: Calibri,sans-serif; font-size: 20.4pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">Example :- floods ,burning of fossil fuels</span></p><p dir="ltr" style="line-height: 1.2; margin-bottom: 0pt; margin-top: 0pt;"><span style="color: #0070c0; font-family: Calibri, sans-serif; font-size: 24pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;"></span></p><p dir="ltr" style="line-height: 1.08; margin-bottom: 0pt; margin-top: 4.08pt; padding: 0pt 0pt 0pt 27pt; text-indent: -27pt;"><span style="background-color: transparent; color: black; font-family: Calibri,sans-serif; font-size: 20.4pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">c) Chemical changes :- </span><span style="background-color: transparent; color: #0070c0; font-family: Calibri,sans-serif; font-size: 20.4pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">A change in which both physical and chemical properties are altered and a new substance is formed ia called chemical changes. Example :- Rusting of iron</span></p><p dir="ltr" style="line-height: 0.96; margin-bottom: 0pt; margin-top: 0pt; padding: 0pt 0pt 0pt 27pt; text-indent: -27pt;"><span style="background-color: transparent; color: black; font-family: Calibri,sans-serif; font-size: 22.4pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">Q.7 Give reasons </span></p><ol style="margin-bottom: 0; margin-top: 0; padding-inline-start: 48px;"><li aria-level="1" dir="ltr" style="background-color: transparent; color: black; font-family: Arial; font-size: 22.4pt; font-style: normal; font-variant: normal; font-weight: 400; list-style-type: lower-alpha; margin-left: -6.800000000000001pt; padding-left: 11.3pt; text-decoration: none; vertical-align: baseline; white-space: pre;"><p dir="ltr" role="presentation" style="line-height: 0.96; margin-bottom: 0pt; margin-top: 4.48pt;"><span style="background-color: transparent; color: black; font-family: Calibri,sans-serif; font-size: 22.4pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">Digestion is a chemical change as well as a physical change </span></p></li></ol><p dir="ltr" style="line-height: 0.96; margin-bottom: 0pt; margin-top: 4.48pt; padding: 0pt 0pt 0pt 40.5pt; text-indent: -40.5pt;"><span style="background-color: transparent; color: #0070c0; font-family: Calibri,sans-serif; font-size: 22.4pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;"> In digestion process food is physically broken down by chewing and chemically broken down by digestive enzymes in the saliva and the acid in the stomach</span></p><ol start="2" style="margin-bottom: 0; margin-top: 0; padding-inline-start: 48px;"><li aria-level="1" dir="ltr" style="background-color: transparent; color: black; font-family: Arial; font-size: 22.4pt; font-style: normal; font-variant: normal; font-weight: 400; list-style-type: lower-alpha; margin-left: -6.800000000000001pt; padding-left: 11.3pt; text-decoration: none; vertical-align: baseline; white-space: pre;"><p dir="ltr" role="presentation" style="line-height: 0.96; margin-bottom: 0pt; margin-top: 4.48pt;"><span style="background-color: transparent; color: black; font-family: Calibri,sans-serif; font-size: 22.4pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">Metals are used for making tools</span></p></li></ol><p dir="ltr" style="line-height: 0.96; margin-bottom: 0pt; margin-top: 4.48pt; padding: 0pt 0pt 0pt 40.5pt; text-indent: -40.5pt;"><span style="background-color: transparent; color: black; font-family: Calibri,sans-serif; font-size: 22.4pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;"> </span><span style="background-color: transparent; color: #0070c0; font-family: Calibri,sans-serif; font-size: 22.4pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">Because metal melts on heating and contracts on cooling. That’s why its easy to mould metal in any shape </span></p><p dir="ltr" style="line-height: 0.96; margin-bottom: 0pt; margin-top: 4.48pt; padding: 0pt 0pt 0pt 40.5pt; text-indent: -40.5pt;"><span style="background-color: transparent; color: black; font-family: Calibri,sans-serif; font-size: 22.4pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">Q.8 </span></p><p dir="ltr" style="line-height: 0.96; margin-bottom: 0pt; margin-top: 4.48pt; padding: 0pt 0pt 0pt 40.5pt; text-indent: -40.5pt;"><span style="background-color: transparent; color: black; font-family: Calibri,sans-serif; font-size: 22.4pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">a)How is the melting of wax is different from burning of wax?</span></p><p dir="ltr" style="line-height: 0.96; margin-bottom: 0pt; margin-top: 4.48pt; padding: 0pt 0pt 0pt 40.5pt; text-indent: -40.5pt;"><span style="background-color: transparent; color: #0070c0; font-family: Calibri,sans-serif; font-size: 22.4pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;"> Melting of wax</span><span style="background-color: transparent; color: #0070c0; font-family: Calibri,sans-serif; font-size: 22.4pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;"> is physical change because only physical state is changing from solid to liquid but </span><span style="background-color: transparent; color: #0070c0; font-family: Calibri,sans-serif; font-size: 22.4pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">burning of wax</span><span style="background-color: transparent; color: #0070c0; font-family: Calibri,sans-serif; font-size: 22.4pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;"> is chemical change because in </span><span style="background-color: transparent; color: #0070c0; font-family: Calibri,sans-serif; font-size: 22.4pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">burning</span><span style="background-color: transparent; color: #0070c0; font-family: Calibri,sans-serif; font-size: 22.4pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">, </span><span style="background-color: transparent; color: #0070c0; font-family: Calibri,sans-serif; font-size: 22.4pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">wax</span><span style="background-color: transparent; color: #0070c0; font-family: Calibri,sans-serif; font-size: 22.4pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;"> reacts with oxygen present in surroundings and forms carbon dioxide and ash.</span></p><p dir="ltr" style="line-height: 0.96; margin-bottom: 0pt; margin-top: 4.48pt; padding: 0pt 0pt 0pt 40.5pt; text-indent: -40.5pt;"><span style="background-color: transparent; color: black; font-family: Calibri,sans-serif; font-size: 22.4pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">b) How does mixing bring about a change? Explain with the help of a example.</span></p><p dir="ltr" style="line-height: 0.96; margin-bottom: 0pt; margin-top: 4.48pt; padding: 0pt 0pt 0pt 40.5pt; text-indent: -40.5pt;"><span style="background-color: transparent; color: #0070c0; font-family: Calibri,sans-serif; font-size: 22.4pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">When substances are mixed together, it can result either in a physical change or a chemical change. Example: If iron and sulphur are mixed, no chemical change occurs. But when the mixture is heated, it glows after some time and a black substance is formed which is different from iron and sulphur.</span></p><p dir="ltr" style="line-height: 0.96; margin-bottom: 0pt; margin-top: 0pt; padding: 0pt 0pt 0pt 27pt; text-indent: -27pt;"><span style="background-color: transparent; color: black; font-family: Calibri,sans-serif; font-size: 22.4pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">c) Why are gaps left between railway tracks?</span></p><p dir="ltr" style="line-height: 0.96; margin-bottom: 0pt; margin-top: 4.48pt; padding: 0pt 0pt 0pt 27pt; text-indent: -27pt;"><span style="background-color: transparent; color: black; font-family: Calibri,sans-serif; font-size: 22.4pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;"> </span><span style="background-color: transparent; color: #0070c0; font-family: Calibri,sans-serif; font-size: 22.4pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">Metal expands and contracts due to temperature changes. That’s why There is gaps between rail sections to allow for expansion and contraction of the metal in summer and winter due to temperature changes. </span></p><p dir="ltr" style="line-height: 0.96; margin-bottom: 0pt; margin-top: 4.48pt; padding: 0pt 0pt 0pt 40.5pt; text-indent: -40.5pt;"><span style="background-color: transparent; color: #0070c0; font-family: Calibri,sans-serif; font-size: 22.4pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;"><b id="docs-internal-guid-c694bd99-7fff-b6fa-6bec-a6c804b37e15" style="font-weight: normal;"><br /><br /></b></span></p><p dir="ltr" style="line-height: 0.96; margin-bottom: 0pt; margin-top: 4.48pt; padding: 0pt 0pt 0pt 27pt; text-indent: -27pt;"><span style="background-color: transparent; color: black; font-family: Calibri,sans-serif; font-size: 22.4pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">Q.11 HOTS( Higher Order Thinking Skills)</span></p><p dir="ltr" style="line-height: 0.96; margin-bottom: 0pt; margin-top: 4.48pt; padding: 0pt 0pt 0pt 27pt; text-indent: -27pt;"><span style="background-color: transparent; color: black; font-family: Calibri,sans-serif; font-size: 22.4pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;">Why is the burning of LPG gas considered to be both physical and a chemical change ? </span></p><p dir="ltr" style="line-height: 0.96; margin-bottom: 0pt; margin-top: 4.48pt; padding: 0pt 0pt 0pt 27pt; text-indent: -27pt;"><span style="background-color: transparent; color: #0070c0; font-family: Calibri,sans-serif; font-size: 22.4pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;"> A change in which both physical and chemical changes occur is burning of LPG gas. Liquefied petroleum gas is filled in the cylinder in the form of a liquid. When these liquids come out of the cylinder in the form of vapors, physical change takes place. When these vapors are mixed with air and burn, chemical change takes place.</span></p><p dir="ltr" style="line-height: 0.96; margin-bottom: 0pt; margin-top: 4.48pt; padding: 0pt 0pt 0pt 40.5pt; text-indent: -40.5pt;"><span style="background-color: transparent; color: #0070c0; font-family: Calibri,sans-serif; font-size: 22.4pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;"><br /><br /></span></p><p dir="ltr" style="line-height: 1.08; margin-bottom: 0pt; margin-top: 4.08pt; padding: 0pt 0pt 0pt 27pt; text-indent: -27pt;"><span style="background-color: transparent; color: #0070c0; font-family: Calibri,sans-serif; font-size: 20.4pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;"><br /></span></p><div><span style="background-color: transparent; color: #0070c0; font-family: Calibri,sans-serif; font-size: 20.4pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; white-space: pre;"><br /></span></div><div><span style="color: #0070c0; font-family: Calibri, sans-serif; font-size: 24pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;"><br /></span></div></span>DEEPAL MAKATIhttp://www.blogger.com/profile/09139325353246640272noreply@blogger.com0tag:blogger.com,1999:blog-8714579048989778922.post-29052813036273048832022-01-12T06:31:00.001-08:002022-01-12T06:31:49.037-08:00 The Deccan and the South Indian Kingdoms<p> </p><p class="MsoNormal"><span style="font-size: 18.0pt; line-height: 107%;">The Deccan
and the South Indian Kingdoms</span><span style="font-family: "Book Antiqua",serif; font-size: 18.0pt; line-height: 107%;"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family: "Book Antiqua",serif; font-size: 12.0pt; line-height: 107%;">Textual Exercise<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family: "Book Antiqua",serif; font-size: 12.0pt; line-height: 107%;">Choose the appropriate option. <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family: "Book Antiqua",serif; font-size: 12.0pt; line-height: 107%;">a) _____________were also known as the Andhras. <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family: "Book Antiqua",serif; font-size: 12.0pt; line-height: 107%;">i) Chalukyas <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family: "Book Antiqua",serif; font-size: 12.0pt; line-height: 107%;">ii) Cholas <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family: "Book Antiqua",serif; font-size: 12.0pt; line-height: 107%;">iii) <span style="color: red;">Satvahanas</span> <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family: "Book Antiqua",serif; font-size: 12.0pt; line-height: 107%;">iv) Cheras <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family: "Book Antiqua",serif; font-size: 12.0pt; line-height: 107%;">b) The Chalukyan king plundered the Pallava capital,
Kanchi.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family: "Book Antiqua",serif; font-size: 12.0pt; line-height: 107%;"><span style="mso-spacerun: yes;"> </span>i) <span style="color: red;">Pulakesin II <o:p></o:p></span></span></p>
<p class="MsoNormal"><span style="font-family: "Book Antiqua",serif; font-size: 12.0pt; line-height: 107%;">ii) Pulakesin I <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family: "Book Antiqua",serif; font-size: 12.0pt; line-height: 107%;">iii) Kirtivarman II <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family: "Book Antiqua",serif; font-size: 12.0pt; line-height: 107%;">iv) Vikramaditya <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family: "Book Antiqua",serif; font-size: 12.0pt; line-height: 107%;">c) The inscription of Kharavela of Kalinga also given
information about the South Indian kingdoms. <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family: "Book Antiqua",serif; font-size: 12.0pt; line-height: 107%;">i) Tanjavur <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family: "Book Antiqua",serif; font-size: 12.0pt; line-height: 107%;">ii) <span style="color: red;">Hathigumpha </span><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family: "Book Antiqua",serif; font-size: 12.0pt; line-height: 107%;">iii) Aihole <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family: "Book Antiqua",serif; font-size: 12.0pt; line-height: 107%;">iv) Junagadh <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family: "Book Antiqua",serif; font-size: 12.0pt; line-height: 107%;">d) The last ruler _________was Aparajitavarman. <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family: "Book Antiqua",serif; font-size: 12.0pt; line-height: 107%;">i) <span style="color: red;">Pallava</span><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family: "Book Antiqua",serif; font-size: 12.0pt; line-height: 107%;"><span style="mso-spacerun: yes;"> </span>ii) Pandya <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family: "Book Antiqua",serif; font-size: 12.0pt; line-height: 107%;">iii) Chera <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family: "Book Antiqua",serif; font-size: 12.0pt; line-height: 107%;">iv) Chola <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family: "Book Antiqua",serif; font-size: 12.0pt; line-height: 107%;">e) The _______________of the Sangam period were popular. <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family: "Book Antiqua",serif; font-size: 12.0pt; line-height: 107%;">i) <span style="color: red;">handicrafts </span><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family: "Book Antiqua",serif; font-size: 12.0pt; line-height: 107%;">ii) paintings <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family: "Book Antiqua",serif; font-size: 12.0pt; line-height: 107%;">iii) sculptures <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family: "Book Antiqua",serif; font-size: 12.0pt; line-height: 107%;">iv) monuments <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family: "Book Antiqua",serif; font-size: 12.0pt; line-height: 107%;">2. Fill in the blanks. <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family: "Book Antiqua",serif; font-size: 12.0pt; line-height: 107%;">a) The first Sangam was held at <span style="color: red;">Madura</span>i.
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family: "Book Antiqua",serif; font-size: 12.0pt; line-height: 107%;">b) Tolkappiyam written by <span style="color: red;">Tolkappiyar</span>
is the earliest Tamil literature. <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family: "Book Antiqua",serif; font-size: 12.0pt; line-height: 107%;">c) <span style="color: red;">Avvaiyar</span> was the title
given to the most legendary poetess of the Tamil literature. <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family: "Book Antiqua",serif; font-size: 12.0pt; line-height: 107%;">3. Match the columns. Column A Column B a) Karikala i)
Modern Kerala b) Cheras ii) Sittalai Sattanar c) Simhavishnu iii) Kallanai dam
d) Manimekalai iv) Pallava dynasty 86 <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family: "Book Antiqua",serif; font-size: 12.0pt; line-height: 107%;">4. Answer the following questions in 10 to 20 words. <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family: "Book Antiqua",serif; font-size: 12.0pt; line-height: 107%;">a) Name the foreign authors who wrote about the
commercial contacts between the West and the South India. <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family: "Book Antiqua",serif; font-size: 12.0pt; line-height: 107%;">Ans. <span style="color: red;">Greek authors such as
Megasthenes, Ptolemy, Pliny and Strabo wrote about the commercial contacts
between the West and the South India.</span><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family: "Book Antiqua",serif; font-size: 12.0pt; line-height: 107%;">b) Write the name of the source that gives information on
the Chera rulers. <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family: "Book Antiqua",serif; font-size: 12.0pt; line-height: 107%;">Ans. <span style="color: red;">The Pugalur inscription of
the fi rst century CE gives information about the three generations of Chera
rulers. Padirruppattu is yet another important source that furnishes
information on Chera kings.</span><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family: "Book Antiqua",serif; font-size: 12.0pt; line-height: 107%;">c) Why did the Pandyan rule begin to decline? <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family: "Book Antiqua",serif; font-size: 12.0pt; line-height: 107%;">Ans. <span style="color: red;">The Pandyan rule started to
decline due to the invasion of the Kalabhras.</span><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family: "Book Antiqua",serif; font-size: 12.0pt; line-height: 107%;">5. Answer the following questions in 50 to 70 words. <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family: "Book Antiqua",serif; font-size: 12.0pt; line-height: 107%;">a) Write a brief note on Gautamiputra Satakarni. <o:p></o:p></span></p>
<p class="MsoListParagraphCxSpFirst" style="mso-list: l1 level1 lfo1; text-indent: -18.0pt;"><!--[if !supportLists]--><span style="color: red; font-family: Symbol; font-size: 12.0pt; line-height: 107%; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font: 7.0pt "Times New Roman";"> </span></span></span><!--[endif]--><span style="color: red; font-family: "Book Antiqua",serif; font-size: 12.0pt; line-height: 107%;">Gautamiputra Satakarni was the greatest ruler of the Satavahana
dynasty. <o:p></o:p></span></p>
<p class="MsoListParagraphCxSpMiddle" style="mso-list: l1 level1 lfo1; text-indent: -18.0pt;"><!--[if !supportLists]--><span style="color: red; font-family: Symbol; font-size: 12.0pt; line-height: 107%; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font: 7.0pt "Times New Roman";"> </span></span></span><!--[endif]--><span style="color: red; font-family: "Book Antiqua",serif; font-size: 12.0pt; line-height: 107%;">His reign lasted for a period of 24 years from 106 CE to 130 CE. <o:p></o:p></span></p>
<p class="MsoListParagraphCxSpMiddle" style="mso-list: l1 level1 lfo1; text-indent: -18.0pt;"><!--[if !supportLists]--><span style="color: red; font-family: Symbol; font-size: 12.0pt; line-height: 107%; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font: 7.0pt "Times New Roman";"> </span></span></span><!--[endif]--><span style="color: red; font-family: "Book Antiqua",serif; font-size: 12.0pt; line-height: 107%;">He annexed the whole of Deccan and expanded his kingdom. <o:p></o:p></span></p>
<p class="MsoListParagraphCxSpMiddle" style="mso-list: l1 level1 lfo1; text-indent: -18.0pt;"><!--[if !supportLists]--><span style="color: red; font-family: Symbol; font-size: 12.0pt; line-height: 107%; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font: 7.0pt "Times New Roman";"> </span></span></span><!--[endif]--><span style="color: red; font-family: "Book Antiqua",serif; font-size: 12.0pt; line-height: 107%;">Although he was a champion of Brahmanism; he gave donations to the
Buddhists. <o:p></o:p></span></p>
<p class="MsoListParagraphCxSpLast" style="mso-list: l1 level1 lfo1; text-indent: -18.0pt;"><!--[if !supportLists]--><span style="color: red; font-family: Symbol; font-size: 12.0pt; line-height: 107%; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font: 7.0pt "Times New Roman";"> </span></span></span><!--[endif]--><span style="color: red; font-family: "Book Antiqua",serif; font-size: 12.0pt; line-height: 107%;">The Nashik and the Nanaghad inscriptions provide valuable
information about the rule of Gautamiputra Satakarni.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family: "Book Antiqua",serif; font-size: 12.0pt; line-height: 107%;">b) Write about on the rise of the Bhakti sect in South
India. <o:p></o:p></span></p>
<p class="MsoListParagraphCxSpFirst" style="mso-list: l2 level1 lfo2; text-indent: -18.0pt;"><!--[if !supportLists]--><span style="color: red; font-family: Symbol; font-size: 12.0pt; line-height: 107%; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font: 7.0pt "Times New Roman";"> </span></span></span><!--[endif]--><span style="color: red; font-family: "Book Antiqua",serif; font-size: 12.0pt; line-height: 107%;">From 7th century onwards, the Bhakti sect spread throughout India,
particularly in the South. <o:p></o:p></span></p>
<p class="MsoListParagraphCxSpMiddle" style="mso-list: l2 level1 lfo2; text-indent: -18.0pt;"><!--[if !supportLists]--><span style="color: red; font-family: Symbol; font-size: 12.0pt; line-height: 107%; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font: 7.0pt "Times New Roman";"> </span></span></span><!--[endif]--><span style="color: red; font-family: "Book Antiqua",serif; font-size: 12.0pt; line-height: 107%;">Bhakti meant total surrender of the devotees to God. <o:p></o:p></span></p>
<p class="MsoListParagraphCxSpMiddle" style="mso-list: l2 level1 lfo2; text-indent: -18.0pt;"><!--[if !supportLists]--><span style="color: red; font-family: Symbol; font-size: 12.0pt; line-height: 107%; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font: 7.0pt "Times New Roman";"> </span></span></span><!--[endif]--><span style="color: red; font-family: "Book Antiqua",serif; font-size: 12.0pt; line-height: 107%;">In South India, the Nayanars and Alvars were the noted saints of the
Bhakti sect. <o:p></o:p></span></p>
<p class="MsoListParagraphCxSpMiddle" style="mso-list: l2 level1 lfo2; text-indent: -18.0pt;"><!--[if !supportLists]--><span style="color: red; font-family: Symbol; font-size: 12.0pt; line-height: 107%; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font: 7.0pt "Times New Roman";"> </span></span></span><!--[endif]--><span style="color: red; font-family: "Book Antiqua",serif; font-size: 12.0pt; line-height: 107%;">The Nayanars, the devotees of Lord Shiva, wrote poetry in praise of
Lord Shiva; the Alvars were the worshippers of Lord Vishnu. <o:p></o:p></span></p>
<p class="MsoListParagraphCxSpLast" style="mso-list: l2 level1 lfo2; text-indent: -18.0pt;"><!--[if !supportLists]--><span style="color: red; font-family: Symbol; font-size: 12.0pt; line-height: 107%; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font: 7.0pt "Times New Roman";"> </span></span></span><!--[endif]--><span style="color: red; font-family: "Book Antiqua",serif; font-size: 12.0pt; line-height: 107%;">During this period, devotional poetry developed.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family: "Book Antiqua",serif; font-size: 12.0pt; line-height: 107%;">c) Discuss about the trade during the Sangam period.<o:p></o:p></span></p>
<p class="MsoListParagraphCxSpFirst" style="mso-list: l0 level1 lfo3; text-indent: -18.0pt;"><!--[if !supportLists]--><span style="color: red; font-family: Symbol; font-size: 12.0pt; line-height: 107%; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font: 7.0pt "Times New Roman";"> </span></span></span><!--[endif]--><span style="color: red; font-family: "Book Antiqua",serif; font-size: 12.0pt; line-height: 107%;">The well organised internal and external trade flourished during the
Sangam period and that resulted in a great demand for these products. <o:p></o:p></span></p>
<p class="MsoListParagraphCxSpMiddle" style="mso-list: l0 level1 lfo3; text-indent: -18.0pt;"><!--[if !supportLists]--><span style="color: red; font-family: Symbol; font-size: 12.0pt; line-height: 107%; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font: 7.0pt "Times New Roman";"> </span></span></span><!--[endif]--><span style="color: red; font-family: "Book Antiqua",serif; font-size: 12.0pt; line-height: 107%;">Merchants used carts and animals to carry goods from place to place.
<o:p></o:p></span></p>
<p class="MsoListParagraphCxSpMiddle" style="mso-list: l0 level1 lfo3; text-indent: -18.0pt;"><!--[if !supportLists]--><span style="color: red; font-family: Symbol; font-size: 12.0pt; line-height: 107%; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font: 7.0pt "Times New Roman";"> </span></span></span><!--[endif]--><span style="color: red; font-family: "Book Antiqua",serif; font-size: 12.0pt; line-height: 107%;">The barter system was an important feature of internal trade. <o:p></o:p></span></p>
<p class="MsoListParagraphCxSpMiddle" style="mso-list: l0 level1 lfo3; text-indent: -18.0pt;"><!--[if !supportLists]--><span style="color: red; font-family: Symbol; font-size: 12.0pt; line-height: 107%; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font: 7.0pt "Times New Roman";"> </span></span></span><!--[endif]--><span style="color: red; font-family: "Book Antiqua",serif; font-size: 12.0pt; line-height: 107%;">External trade was carried between South India and the Roman Empire.
The port cities of Puhar, Tondi, Musiri, Korkai, Arikkamedu and Marakkanam
became centres of foreign trade. <o:p></o:p></span></p>
<p class="MsoListParagraphCxSpLast" style="mso-list: l0 level1 lfo3; text-indent: -18.0pt;"><!--[if !supportLists]--><span style="color: red; font-family: Symbol; font-size: 12.0pt; line-height: 107%; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font: 7.0pt "Times New Roman";"> </span></span></span><!--[endif]--><span style="color: red; font-family: "Book Antiqua",serif; font-size: 12.0pt; line-height: 107%;">Roman coins were found in all parts of Tamil Nadu, which reveal the
extent of the trade.<o:p></o:p></span></p>sayli survehttp://www.blogger.com/profile/10840052362399632202noreply@blogger.com17tag:blogger.com,1999:blog-8714579048989778922.post-13881537943893199122021-12-06T04:41:00.001-08:002021-12-06T04:41:49.850-08:00District Administration<p><a href="https://docs.google.com/document/d/1hTLo0Ofa5qOqUNeaDr7eRNnd4LSlYWyX/edit?usp=sharing&ouid=118220842915923541749&rtpof=true&sd=true">District Administration</a> </p>sayli survehttp://www.blogger.com/profile/10840052362399632202noreply@blogger.com9tag:blogger.com,1999:blog-8714579048989778922.post-15374873120254788062021-12-02T22:03:00.002-08:002021-12-02T22:03:55.555-08:00<p> संस्कृत एकादश: पाठ:- तृतीया विभक्ति:</p><p>https://drive.google.com/file/d/1nSkE7qsmawg4Q6XQH3efsD2ehfrcJNCP/view?usp=sharing</p><p><br /></p>poonam.srivastav@podar.orghttp://www.blogger.com/profile/01665788510280291699noreply@blogger.com1tag:blogger.com,1999:blog-8714579048989778922.post-47787926067200950092021-12-02T08:41:00.000-08:002021-12-02T08:41:22.443-08:00<p> संस्कृत पाठ 10- कर्म कारक: ( द्वितीया विभक्ति:)</p><p>https://drive.google.com/file/d/186qtQjhx1suv8MIk77rGYpovcXhgr881/view?usp=sharing</p><p><br /></p>poonam.srivastav@podar.orghttp://www.blogger.com/profile/01665788510280291699noreply@blogger.com1tag:blogger.com,1999:blog-8714579048989778922.post-54266007165501813802021-12-01T04:01:00.006-08:002021-12-01T04:01:37.973-08:00STD 6 SUB GUJARATI ( CH 15 )<p></p><div class="separator" style="clear: both; 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margin-right: 1em;"><img border="0" data-original-height="2048" data-original-width="1536" height="640" src="https://blogger.googleusercontent.com/img/a/AVvXsEhEgHHcLs6_xboHXxHhOHC3XXRD6Scknlz1Cxz1ri1iEm-wEqktIXtSMvmJTaMvZKDXqgLuwckt5_7ds2isasRC3rEU6PZpX8jxCwfP-1jFkVCkicfe1JCd_N92yDjcItebv5Q8UeoWsb2tYflQGRg1FbB4ZxmLmwlpTDUfmW5KsPk7SznnLYjv4cE3=w480-h640" width="480" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEjc52fevjz3Xb9lpv319ck-t58nTTRZ0yV7rbPgi8mItAJvfB16aUKYnb_9NseXd4aMucogcppC9_XdA-ory2eRJJC9xwz6Um2FwkOsB4x0IR5RyTzBENesmCcKvX1arYERABcei_68hbdhXI4cVSxCOOC6OBUuRjdz3uealJh0urBCGqtd-t7fWm_d=s2048" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="2048" data-original-width="1536" height="640" src="https://blogger.googleusercontent.com/img/a/AVvXsEjc52fevjz3Xb9lpv319ck-t58nTTRZ0yV7rbPgi8mItAJvfB16aUKYnb_9NseXd4aMucogcppC9_XdA-ory2eRJJC9xwz6Um2FwkOsB4x0IR5RyTzBENesmCcKvX1arYERABcei_68hbdhXI4cVSxCOOC6OBUuRjdz3uealJh0urBCGqtd-t7fWm_d=w480-h640" width="480" /></a></div><br /></div><br /> <p></p>Joshishitalhttp://www.blogger.com/profile/10668529883837035444noreply@blogger.com1tag:blogger.com,1999:blog-8714579048989778922.post-60972233992167046202021-11-28T03:46:00.003-08:002021-11-28T03:47:54.554-08:00Ch 9A. Living organisms and their surroundings -WORKBOOK ANSWER<p> </p><span class="fontstyle0"><div style="text-align: center;"><b>Ch 9. Living organisms and their surroundings - A</b></div></span><span class="fontstyle0" style="font-size: 12pt;">I.<br />1. Choose the correct option.<br /></span><span class="fontstyle2">(a) Which of the following is an abiotic component of the environment?<br />i. sunlight ii. plant<br /></span><table class="NormalTable"><tbody><tr><td width="95"><span class="fontstyle2">iii. </span></td><td width="242"><span class="fontstyle2">bacteria </span></td><td width="286"><span class="fontstyle2">iv. animals</span></td></tr><tr><td width="337"><span class="fontstyle0" style="color: #000099; font-size: 12pt;">Ans: sunlight</span></td></tr><tr><td width="550"><span class="fontstyle2">(b) Which of the following is not a characteristic of living organism?</span></td></tr><tr><td width="95"><span class="fontstyle2">i. <br />iii. </span></td><td width="242"><span class="fontstyle2">respond to stimuli <br />movement </span></td><td width="286"><span class="fontstyle2">ii. respiration<br />iv. unable to adapt</span></td></tr></tbody></table><span class="fontstyle0" style="color: #000099; font-size: 12pt;">Ans: unable to adapt<br /></span><span class="fontstyle0" style="font-size: 12pt;">2. State true or false:<br /></span><span class="fontstyle2">(a) Plants like bryophyllum reproduce through leaves.<br /></span><span class="fontstyle0" style="color: #000099; font-size: 12pt;">Ans: True<br /></span><span class="fontstyle2">(b) Amoeba is an unicellular organism.<br /></span><span class="fontstyle0" style="color: #000099; font-size: 12pt;">Ans: True<br /></span><span class="fontstyle2">(c) </span><span class="fontstyle2" style="color: #231f20;">The movement of a sunflower in the direction of the sun is an example of<br />tropism.<br /></span><span class="fontstyle0" style="color: #000099; font-size: 12pt;">Ans: True<br /></span><span class="fontstyle0" style="font-size: 12pt;">3. Give two examples of:<br /></span><span class="fontstyle2">(a) Decomposers<br /></span><span class="fontstyle0" style="color: #000099; font-size: 12pt;">Ans: bacteria and fungi<br /></span><span class="fontstyle2">(b) Nocturnal animals<br /></span><span class="fontstyle0" style="color: #000099; font-size: 12pt;">Ans: Owls, bats, cockroaches<br /></span><span class="fontstyle2">(c) Plants that reproduce through stems.<br /></span><span class="fontstyle0" style="color: #000099; font-size: 12pt;">Ans: ginger, potato<br /></span><span class="fontstyle2">(d) Plants that grow from seeds.<br /></span><span class="fontstyle0" style="color: #000099; font-size: 12pt;">Ans: gram, wheat, tomato, mango, peepal<br /></span><span class="fontstyle0" style="color: red; font-size: 12pt;">Objective type questions</span><br /><span class="fontstyle0" style="font-size: 12pt;">4. In the following questions, two statements are given- one labelled<br />Assertion (A) and the other labelled Reason (R). Read the statements<br />carefully and choose the correct alternative (A), (B), (C) and (D) as given<br />below.<br /></span><span class="fontstyle2">(A) Both A and R are true and R is correct explanation of the assertion.<br />(B) Both A and R are true but R is not the correct explanation of the<br />assertion.<br />(C) A is true but R is false.<br />(D) A is false but R is true.<br />(a) </span><span class="fontstyle0" style="font-size: 12pt;">Assertion: </span><span class="fontstyle2" style="color: #231f20;">Urea is removed from the body through urine with the help of the<br />kidneys.<br /></span><span class="fontstyle0" style="color: #231f20; font-size: 12pt;">Reason: </span><span class="fontstyle2" style="color: #231f20;">Urea is a waste product of animal.<br /></span><span class="fontstyle0" style="color: #000099; font-size: 12pt;">Ans: (A) Both A and R are true and R is correct explanation of the assertion.<br /></span><span class="fontstyle2">(b) </span><span class="fontstyle0" style="font-size: 12pt;">Assertion</span><span class="fontstyle2">: Greens plants are autotrophs.<br /></span><span class="fontstyle0" style="font-size: 12pt;">Reason</span><span class="fontstyle2">: Green plants prepare their food using the energy from the Sun.<br /></span><span class="fontstyle0" style="color: #000099; font-size: 12pt;">ans: (A) Both A and R are true and R is correct explanation of the assertion.<br /></span><span class="fontstyle0" style="font-size: 12pt;">5. Define the following:<br /></span><span class="fontstyle2">(a) Life span<br /></span><span class="fontstyle0" style="color: #000099; font-size: 12pt;">Ans: The period for which an organism remains alive, that is time from the<br />birth to the death is called the life span.<br /></span><span class="fontstyle2">(b) Habitat<br /></span><span class="fontstyle0" style="color: #000099; font-size: 12pt;">Ans: The place where an organism lives is called its habitat.<br /></span><span class="fontstyle0" style="font-size: 12pt;">6. Answer in brief:<br /></span><span class="fontstyle2">(a) What is stimulus? Give two examples of plant movements in response to<br />stimuli.<br /></span><span class="fontstyle0" style="color: #000099; font-size: 12pt;">Ans: </span><span class="fontstyle3"> </span><span class="fontstyle0" style="color: #000099; font-size: 12pt;">Any change in the organism’s environment that causes it to react is<br />called a stimulus.<br /></span><span class="fontstyle3"> </span><span class="fontstyle0" style="color: #000099; font-size: 12pt;">Plants also show movement in response to stimuli such as light,<br />temperature and touch.<br /></span><span class="fontstyle3"> </span><span class="fontstyle0" style="color: #000099; font-size: 12pt;">The roots of plants always grow downwards towards soil and water<br />while the stem always grows upwards towards light.<br /></span><span class="fontstyle3"> </span><span class="fontstyle0" style="color: #000099; font-size: 12pt;">The stomata of the leaf open during the daytime and close at night.<br />(accept any two answers)<br /></span><span class="fontstyle0" style="color: red; font-size: 12pt;">Theory type questions</span><br /><span class="fontstyle2">(b) </span><span class="fontstyle2" style="color: #231f20;">What is photosynthesis?<br /></span><span class="fontstyle0" style="color: #000099; font-size: 12pt;">Ans: Plants use the energy from sunlight and make their own food using<br />water and carbon dioxide. This process of preparing food by green plants<br />is called photosynthesis.<br /></span><span class="fontstyle0" style="font-size: 12pt;">7. Give reasons for the following:<br /></span><span class="fontstyle2">(a) Plants have unlimited growth as compared to animals.<br /></span><span class="fontstyle0" style="color: #000099; font-size: 12pt;">Ans: Plants grow throughout their life but animals stop growing after a<br />particular age. Thus, plants have unlimited growth whereas animals have<br />limited growth.<br /></span><span class="fontstyle2">(b) Pigeons and crows are also known as diurnal animal.<br /></span><span class="fontstyle0" style="color: #000099; font-size: 12pt;">Ans: Animals like crows, pigeons are active during the day time and are called<br />diurnal animals.<br /></span><span class="fontstyle0" style="font-size: 12pt;">8.<br /></span><span class="fontstyle2">(a) Identify the structure.<br /></span><span class="fontstyle0" style="color: #000099; font-size: 12pt;">Ans: Stomata<br /></span><span class="fontstyle2">(b) On which part of the plant this structure is present?<br /></span><span class="fontstyle0" style="color: #000099; font-size: 12pt;">Ans: On the surface of the leaves.<br /></span><span class="fontstyle2">(c) State the function of the structure.<br /></span><span class="fontstyle0" style="color: #000099; font-size: 12pt;">Ans: Plants breathe through tiny pores called stomata present on the surface<br />of the leaves.<br /></span><span class="fontstyle0" style="color: red; font-size: 12pt;">Picture based questions</span><br /><span class="fontstyle0" style="font-size: 12pt;">9.<br /></span><span class="fontstyle2" style="color: #231f20;">Ponds are small bodies of still, or not moving, fresh water that are surrounded<br />by land. Usually, we hear sounds of birds calling, crickets chirping, and frogs<br />croaking around the pond. We also see Lotus plants floating on the water, and<br />birds can be seen diving down to catch their next meal. We also see fish<br />swimming in the pond. Pond ecosystems are full of activity and life.<br /></span><span class="fontstyle2">(a) List biotic factors listed in the paragraph above.<br /></span><span class="fontstyle0" style="color: #000099; font-size: 12pt;">Ans: birds, frogs, crickets , lotus plant , fish<br /></span><span class="fontstyle2">(b) List abiotic factors listed in the paragraph above.<br /></span><span class="fontstyle0" style="color: #000099; font-size: 12pt;">Ans: Land, water.<br /></span><span class="fontstyle4">https://study.com/academy/lesson/pond-ecosystem-lesson-for-kids.html<br /></span><span class="fontstyle0" style="font-size: 12pt;">10.<br /></span><span class="fontstyle2">Unscramble the words using clues given below:<br />(a) </span><span class="fontstyle0" style="font-size: 12pt;">odcndreoab : </span><span class="fontstyle0" style="color: #000099; font-size: 12pt;">carbon dioxide<br /></span><span class="fontstyle0" style="font-size: 12pt;">Clue: </span><span class="fontstyle2">Gas given out when fossil fuels are burnt in vehicles and factories.<br />(b) </span><span class="fontstyle0" style="font-size: 12pt;">lsoi : </span><span class="fontstyle0" style="color: #000099; font-size: 12pt;">soil<br /></span><span class="fontstyle0" style="font-size: 12pt;">Clue: </span><span class="fontstyle2">Forms the lithosphere of the earth<br />(c) </span><span class="fontstyle0" style="font-size: 12pt;">enpslfia : </span><span class="fontstyle0" style="color: #000099; font-size: 12pt;">lifespan<br /></span><span class="fontstyle0" style="color: #231f20; font-size: 12pt;">Clue: </span><span class="fontstyle2" style="color: #231f20;">The period for which an organism remains alive.<br /></span><span class="fontstyle2">(d) </span><span class="fontstyle0" style="font-size: 12pt;">lucelamlritul : </span><span class="fontstyle0" style="color: #000099; font-size: 12pt;">multicellular<br /></span><span class="fontstyle0" style="color: #231f20; font-size: 12pt;">Clue: </span><span class="fontstyle2">Organism made up of many cells<br /></span><span class="fontstyle0" style="font-size: 12pt;">11.<br /></span><span class="fontstyle2">1. Why do leaves of desert plants become spines?<br /></span><span class="fontstyle0" style="color: #000099; font-size: 12pt;">Ans: Due to high temperature water is lost from the leaves. To check water<br />loss, leaves of desert plants become spiny.<br /></span><span class="fontstyle2"><br /></span><span class="fontstyle0" style="color: red; font-size: 12pt;">HOTS</span><div><span class="fontstyle0" style="color: red; font-size: 12pt;"><br /></span></div><div><span class="fontstyle0" style="color: red; font-size: 12pt;"><span class="fontstyle0">. Why do leaves of desert plants become spines?<br /></span><span class="fontstyle2">Ans: Due to high temperature water is lost from the leaves. To check water<br />loss, leaves of desert plants become spiny</span>
<br style="font-variant-east-asian: normal; font-variant-numeric: normal; line-height: normal; text-align: -webkit-auto; text-size-adjust: auto;" />Fun based questions<br />Paragraph based question</span>
<br style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px;" /></div>DEEPAL MAKATIhttp://www.blogger.com/profile/09139325353246640272noreply@blogger.com6tag:blogger.com,1999:blog-8714579048989778922.post-37681950202674340532021-11-24T03:56:00.000-08:002021-11-24T03:56:06.135-08:00<p> संस्कृत पाठ 9 - प्रथमा विभक्ति </p><p>https://drive.google.com/file/d/1A3jqJ0iXfCSlZnUA6dFUpJsSDN14J8ae/view?usp=sharing</p><p><br /></p>poonam.srivastav@podar.orghttp://www.blogger.com/profile/01665788510280291699noreply@blogger.com1tag:blogger.com,1999:blog-8714579048989778922.post-83989624980016897072021-11-21T05:18:00.004-08:002021-11-21T05:18:21.725-08:00Textual Exercise of The Rise and Decline of Mauryan Empire<p><a href="https://docs.google.com/document/d/1ckdkj7FMVaD3OIfbfXBbGwsCLn_7sR_4/edit?usp=sharing&ouid=118220842915923541749&rtpof=true&sd=true">Textual Exercise</a> </p>sayli survehttp://www.blogger.com/profile/10840052362399632202noreply@blogger.com1