<div style='text-align : center'> <Success><font size="5"><b>Organisms and Populations</b></font></Success> </div> <h4 id="primaryshort-answers-type-questionsprimary"><Primary>Short Answers Type Questions</Primary></h4> <hr> <div class="text-container"> <p><strong>Ques.</strong> Define heliophytes and sciophytes.</p> <ul> <li>Name a plant from your locality that is either heliophyte or sciophyte.</li> </ul> </font> </div> <hr> <font size ="4"> <div style='text-align : center'> Multiple choice questions (MCQs) $\rightarrow$ Very short answer type questions $\rightarrow$ <span style="color:blue">Short answer type questions</span> $\rightarrow$ Long answer type questions </div> </font>

<div style='text-align : center'> <Success><font size="5"><b>Organisms and Populations</b></font></Success> </div> <h4 id="primaryshort-answers-type-questionsprimary-1"><Primary>Short Answers Type Questions</Primary></h4> <hr> <div class="text-container"> <p><strong>Thinking Process</strong></p> <ul> <li>On the basis of light tolerance or adaptation, plants may be heliophytes and sciophytes.</li> </ul> </font> </div> <hr> <font size ="4"> <div style='text-align : center'> Multiple choice questions (MCQs) $\rightarrow$ Very short answer type questions $\rightarrow$ <span style="color:blue">Short answer type questions</span> $\rightarrow$ Long answer type questions </div> </font>

<div style='text-align : center'> <Success><font size="5"><b>Organisms and Populations</b></font></Success> </div> <h4 id="primaryshort-answers-type-questionsprimary-2"><Primary>Short Answers Type Questions</Primary></h4> <hr> <div class="text-container"> <p><strong>Ans.</strong> Plants growing well in bright sunlight or favour bright light are called <strong>heliophytes</strong> or sun plants.</p> <ul> <li>While those plants which require low intensity of light or partial shade for growing are termed as shade loving plants or <strong>sciophytes</strong>.</li> </ul> </font> </div> <hr> <font size ="4"> <div style='text-align : center'> Multiple choice questions (MCQs) $\rightarrow$ Very short answer type questions $\rightarrow$ <span style="color:blue">Short answer type questions</span> $\rightarrow$ Long answer type questions </div> </font>

<div style='text-align : center'> <Success><font size="5"><b>Organisms and Populations</b></font></Success> </div> <h4 id="primaryshort-answers-type-questionsprimary-3"><Primary>Short Answers Type Questions</Primary></h4> <hr> <div class="text-container"> <p><strong>Ques.</strong> Why do submerged plants receive weaker illumination than exposed floating plants in a lake?</p> </font> </div> <hr> <font size ="4"> <div style='text-align : center'> Multiple choice questions (MCQs) $\rightarrow$ Very short answer type questions $\rightarrow$ <span style="color:blue">Short answer type questions</span> $\rightarrow$ Long answer type questions </div> </font>

<div style='text-align : center'> <Success><font size="5"><b>Organisms and Populations</b></font></Success> </div> <h4 id="primaryshort-answers-type-questionsprimary-4"><Primary>Short Answers Type Questions</Primary></h4> <hr> <div class="text-container"> <p><strong>Ans.</strong> Submerged plants receive weaker illumination than exposed floating plants in a lake because all colours of the visible components of the spectrum of light do not enter or penetrate in the depths of water.</p> </font> </div> <hr> <font size ="4"> <div style='text-align : center'> Multiple choice questions (MCQs) $\rightarrow$ Very short answer type questions $\rightarrow$ <span style="color:blue">Short answer type questions</span> $\rightarrow$ Long answer type questions </div> </font>

<div style='text-align : center'> <Success><font size="5"><b>Organisms and Populations</b></font></Success> </div> <h4 id="primaryshort-answers-type-questionsprimary-5"><Primary>Short Answers Type Questions</Primary></h4> <hr> <div class="text-container"> <p><strong>Ques.</strong> In a sea shore, the benthic animals live in sandy, muddy and rocky substrata and accordingly developed the following adaptations.</p> <p>(a) Burrowing <br> (b) Building cubes <br> (c) Holdfasts/peduncle</p> <ul> <li>Find the suitable substratum against each adaptation.</li> </ul> </font> </div> <hr> <font size ="4"> <div style='text-align : center'> Multiple choice questions (MCQs) $\rightarrow$ Very short answer type questions $\rightarrow$ <span style="color:blue">Short answer type questions</span> $\rightarrow$ Long answer type questions </div> </font>

<div style='text-align : center'> <Success><font size="5"><b>Organisms and Populations</b></font></Success> </div> <h4 id="primaryshort-answers-type-questionsprimary-6"><Primary>Short Answers Type Questions</Primary></h4> <hr> <div class="text-container"> <p><strong>Ans.</strong> In a sea shore, water current restrict distribution of organisms.</p> <ul> <li>In streamed areas of ocean, animals are strong swimmer or possess attaching organs such as peduncle, or live under stone, in burrows etc.</li> </ul> <p><Success>Ans. to be continued</Success></p> </font> </div> <hr> <font size ="4"> <div style='text-align : center'> Multiple choice questions (MCQs) $\rightarrow$ Very short answer type questions $\rightarrow$ <span style="color:blue">Short answer type questions</span> $\rightarrow$ Long answer type questions </div> </font>

<div style='text-align : center'> <Success><font size="5"><b>Organisms and Populations</b></font></Success> </div> <h4 id="primaryshort-answers-type-questionsprimary-7"><Primary>Short Answers Type Questions</Primary></h4> <hr> <div class="text-container"> <ul> <li>Burrowing animals like tubeworm, Nerlies are strong swimmer.</li> <li>Burrowing, building cubes and holdfast or penduncle adaptation are found in sandy, muddy and rocky substratum respectively.</li> </ul> </font> </div> <hr> <font size ="4"> <div style='text-align : center'> Multiple choice questions (MCQs) $\rightarrow$ Very short answer type questions $\rightarrow$ <span style="color:blue">Short answer type questions</span> $\rightarrow$ Long answer type questions </div> </font>

<div style='text-align : center'> <Success><font size="5"><b>Organisms and Populations</b></font></Success> </div> <h4 id="primaryshort-answers-type-questionsprimary-8"><Primary>Short Answers Type Questions</Primary></h4> <hr> <div class="text-container"> <p><strong>Ques.</strong> Categorise the following plants into hydrophytes, halophytes, mesophytes and xerophytes.</p> <ul> <li>Give reasons for your answers.</li> </ul> <p>(a) Salvinia <br> (b) Opuntia <br> (c) Rhizophora <br> (d) Mangifera</p> </font> </div> <hr> <font size ="4"> <div style='text-align : center'> Multiple choice questions (MCQs) $\rightarrow$ Very short answer type questions $\rightarrow$ <span style="color:blue">Short answer type questions</span> $\rightarrow$ Long answer type questions </div> </font>

<div style='text-align : center'> <Success><font size="5"><b>Organisms and Populations</b></font></Success> </div> <h4 id="primaryshort-answers-type-questionsprimary-9"><Primary>Short Answers Type Questions</Primary></h4> <hr> <div class="text-container"> <p><strong>Ans.</strong> (a) Salvinia is a hydrophytes - Partially or completly submerged in water. <br> (b) Opuntia is a xerophyte - Dry habitat succulent leaves. <br> (c) Rhizophora is a halophyte - Saline habitat <br> (d) Mangifera is a mesophyte - Terrestrial habitat.</p> </font> </div> <hr> <font size ="4"> <div style='text-align : center'> Multiple choice questions (MCQs) $\rightarrow$ Very short answer type questions $\rightarrow$ <span style="color:blue">Short answer type questions</span> $\rightarrow$ Long answer type questions </div> </font>

<div style='text-align : center'> <Success><font size="5"><b>Organisms and Populations</b></font></Success> </div> <h4 id="primaryshort-answers-type-questionsprimary-10"><Primary>Short Answers Type Questions</Primary></h4> <hr> <div class="text-container"> <p><strong>Ques.</strong> In a pond, we see plants which are free-floating; rooted-submerged, rooted emergent rooted with floating leaves.</p> <ul> <li>Write the type of plants against each of them.</li> </ul> <p><Success>Ques. to be continued</Success></p> </font> </div> <hr> <font size ="4"> <div style='text-align : center'> Multiple choice questions (MCQs) $\rightarrow$ Very short answer type questions $\rightarrow$ <span style="color:blue">Short answer type questions</span> $\rightarrow$ Long answer type questions </div> </font>

<div style='text-align : center'> <Success><font size="5"><b>Organisms and Populations</b></font></Success> </div> <h4 id="primaryshort-answers-type-questionsprimary-11"><Primary>Short Answers Type Questions</Primary></h4> <hr> <div class="text-container"> <table> <thead> <tr> <th style="text-align:left"></th> <th style="text-align:left">Plant Name</th> <th style="text-align:left">Type</th> </tr> </thead> <tbody> <tr> <td style="text-align:left">(a)</td> <td style="text-align:left">Hydrilla</td> <td style="text-align:left"></td> </tr> <tr> <td style="text-align:left">(b)</td> <td style="text-align:left">Typha</td> <td style="text-align:left"></td> </tr> <tr> <td style="text-align:left">(c)</td> <td style="text-align:left">Nymphaea</td> <td style="text-align:left"></td> </tr> <tr> <td style="text-align:left">(d)</td> <td style="text-align:left">Lemna</td> <td style="text-align:left"></td> </tr> <tr> <td style="text-align:left">(e)</td> <td style="text-align:left">Vallisneria</td> <td style="text-align:left"></td> </tr> </tbody> </table> </font> </div> <hr> <font size ="4"> <div style='text-align : center'> Multiple choice questions (MCQs) $\rightarrow$ Very short answer type questions $\rightarrow$ <span style="color:blue">Short answer type questions</span> $\rightarrow$ Long answer type questions </div> </font>

<div style='text-align : center'> <Success><font size="5"><b>Organisms and Populations</b></font></Success> </div> <h4 id="primaryshort-answers-type-questionsprimary-12"><Primary>Short Answers Type Questions</Primary></h4> <hr> <div class="text-container"> <p><strong>Ans.</strong> (a) Hydrilla is submerged hydrophyte</p> <p>(b) Typha is rooted emergent</p> <p>(c) Nymphaea is rooted with floating leaves</p> <p>(d) Lemna is free floating hydrophyte</p> <p>(e) Vallisnaria is rooted submerged hydrophytes.</p> </font> </div> <hr> <font size ="4"> <div style='text-align : center'> Multiple choice questions (MCQs) $\rightarrow$ Very short answer type questions $\rightarrow$ <span style="color:blue">Short answer type questions</span> $\rightarrow$ Long answer type questions </div> </font>

<div style='text-align : center'> <Success><font size="5"><b>Organisms and Populations</b></font></Success> </div> <h4 id="primaryshort-answers-type-questionsprimary-13"><Primary>Short Answers Type Questions</Primary></h4> <hr> <div class="text-container"> <p><strong>Ques.</strong> The density of a population in a habitat per unit area is measured in different units.</p> <ul> <li>Write the unit of measurement against the following</li> </ul> <p>(a) Bacteria <br> (b) Banyan <br> (c) Deer <br> (d) Fish</p> </font> </div> <hr> <font size ="4"> <div style='text-align : center'> Multiple choice questions (MCQs) $\rightarrow$ Very short answer type questions $\rightarrow$ <span style="color:blue">Short answer type questions</span> $\rightarrow$ Long answer type questions </div> </font>

<div style='text-align : center'> <Success><font size="5"><b>Organisms and Populations</b></font></Success> </div> <h4 id="primaryshort-answers-type-questionsprimary-14"><Primary>Short Answers Type Questions</Primary></h4> <hr> <div class="text-container"> <p><strong>Ans.</strong> The density of population per unit area is measured in following units</p> <p>(a) The density of a bacterial population in a habitat per unit area is measured in volume/number unit. <br> (b) Biomass/area/region is measuring unit for density of population of banyan.</p> <p><Success>Ans. to be continued</Success></p> </font> </div> <hr> <font size ="4"> <div style='text-align : center'> Multiple choice questions (MCQs) $\rightarrow$ Very short answer type questions $\rightarrow$ <span style="color:blue">Short answer type questions</span> $\rightarrow$ Long answer type questions </div> </font>

<div style='text-align : center'> <Success><font size="5"><b>Organisms and Populations</b></font></Success> </div> <h4 id="primaryshort-answers-type-questionsprimary-15"><Primary>Short Answers Type Questions</Primary></h4> <hr> <div class="text-container"> <p>(c) Number/area is measuring unit for the density of population of deer. <br> (d) Weight/area is measuring unit for density of population of fish.</p> </font> </div> <hr> <font size ="4"> <div style='text-align : center'> Multiple choice questions (MCQs) $\rightarrow$ Very short answer type questions $\rightarrow$ <span style="color:blue">Short answer type questions</span> $\rightarrow$ Long answer type questions </div> </font>

<div style='text-align : center'> <Success><font size="5"><b>Organisms and Populations</b></font></Success> </div> <h4 id="primaryshort-answers-type-questionsprimary-16"><Primary>Short Answers Type Questions</Primary></h4> <hr> <div class="text-container"> <p><strong>Ques</strong></p> <p><img src="https://cdn.mathpix.com/cropped/2024_01_24_136af43fdd62bf9dcffdg-235.jpg?height=166&width=530&top_left_y=1135&top_left_x=389"></p> <p><Success>Ques. to be continued</Success></p> </font> </div> <hr> <font size ="4"> <div style='text-align : center'> Multiple choice questions (MCQs) $\rightarrow$ Very short answer type questions $\rightarrow$ <span style="color:blue">Short answer type questions</span> $\rightarrow$ Long answer type questions </div> </font>

<div style='text-align : center'> <Success><font size="5"><b>Organisms and Populations</b></font></Success> </div> <h4 id="primaryshort-answers-type-questionsprimary-17"><Primary>Short Answers Type Questions</Primary></h4> <hr> <div class="text-container"> <p>(a) Label the three tiers 1, 2, 3 given in the above age pyramid. <br> (b) What type of population growth is represented by the above age pyramid?</p> </font> </div> <hr> <font size ="4"> <div style='text-align : center'> Multiple choice questions (MCQs) $\rightarrow$ Very short answer type questions $\rightarrow$ <span style="color:blue">Short answer type questions</span> $\rightarrow$ Long answer type questions </div> </font>

<div style='text-align : center'> <Success><font size="5"><b>Organisms and Populations</b></font></Success> </div> <h4 id="primaryshort-answers-type-questionsprimary-18"><Primary>Short Answers Type Questions</Primary></h4> <hr> <div class="text-container"> <p><strong>Ans.</strong> (a) The three tiers are to be labelled as (i) Pre-reproductive phase (iii) Post-reproductive phase (ii) Reproductive phase <br> (b) The given age pyramid represents the expanding type of population growth.</p> </font> </div> <hr> <font size ="4"> <div style='text-align : center'> Multiple choice questions (MCQs) $\rightarrow$ Very short answer type questions $\rightarrow$ <span style="color:blue">Short answer type questions</span> $\rightarrow$ Long answer type questions </div> </font>

<div style='text-align : center'> <Success><font size="5"><b>Organisms and Populations</b></font></Success> </div> <h4 id="primaryshort-answers-type-questionsprimary-19"><Primary>Short Answers Type Questions</Primary></h4> <hr> <div class="text-container"> <p><strong>Ques.</strong> In an association of two animal species, one is a termite which feeds on wood and the other is a protozoan Trichonympha present in the gut of the termite.</p> <ul> <li>What type of association they establish?</li> </ul> </font> </div> <hr> <font size ="4"> <div style='text-align : center'> Multiple choice questions (MCQs) $\rightarrow$ Very short answer type questions $\rightarrow$ <span style="color:blue">Short answer type questions</span> $\rightarrow$ Long answer type questions </div> </font>

<div style='text-align : center'> <Success><font size="5"><b>Organisms and Populations</b></font></Success> </div> <h4 id="primaryshort-answers-type-questionsprimary-20"><Primary>Short Answers Type Questions</Primary></h4> <hr> <div class="text-container"> <p><strong>Ans.</strong> The termite provides shelter and space for the protozoan Trichonympha to live.</p> <ul> <li>The Protozoa present in gut digests the wood, which termite feeds upon.</li> <li>In the absence of Trichonympha the termite is unable to digest wood and hence dies.</li> <li>Thus, the association of two given animal species represent mutualism.</li> </ul> </font> </div> <hr> <font size ="4"> <div style='text-align : center'> Multiple choice questions (MCQs) $\rightarrow$ Very short answer type questions $\rightarrow$ <span style="color:blue">Short answer type questions</span> $\rightarrow$ Long answer type questions </div> </font>

<div style='text-align : center'> <Success><font size="5"><b>Organisms and Populations</b></font></Success> </div> <h4 id="primaryshort-answers-type-questionsprimary-21"><Primary>Short Answers Type Questions</Primary></h4> <hr> <div class="text-container"> <p><strong>Ques.</strong> Lianas are vascular plants rooted in the ground and maintain erectness of their stem by making use of other trees for support.</p> <ul> <li>They do not maintain direct relation with those trees.</li> <li>Discuss the type of association the lianas have with the trees.</li> </ul> </font> </div> <hr> <font size ="4"> <div style='text-align : center'> Multiple choice questions (MCQs) $\rightarrow$ Very short answer type questions $\rightarrow$ <span style="color:blue">Short answer type questions</span> $\rightarrow$ Long answer type questions </div> </font>

<div style='text-align : center'> <Success><font size="5"><b>Organisms and Populations</b></font></Success> </div> <h4 id="primaryshort-answers-type-questionsprimary-22"><Primary>Short Answers Type Questions</Primary></h4> <hr> <div class="text-container"> <p><strong>Ans.</strong> The type of association, the lianas have with the trees is commensalism because the plant gets the support of the tree without affecting harming or providing any benefit to the tree.</p> </font> </div> <hr> <font size ="4"> <div style='text-align : center'> Multiple choice questions (MCQs) $\rightarrow$ Very short answer type questions $\rightarrow$ <span style="color:blue">Short answer type questions</span> $\rightarrow$ Long answer type questions </div> </font>

<div style='text-align : center'> <Success><font size="5"><b>Organisms and Populations</b></font></Success> </div> <h4 id="primaryshort-answers-type-questionsprimary-23"><Primary>Short Answers Type Questions</Primary></h4> <hr> <div class="text-container"> <p><strong>Ques.</strong> Give the scientific names of any two microorganisms inhabiting the human intestine.</p> </font> </div> <hr> <font size ="4"> <div style='text-align : center'> Multiple choice questions (MCQs) $\rightarrow$ Very short answer type questions $\rightarrow$ <span style="color:blue">Short answer type questions</span> $\rightarrow$ Long answer type questions </div> </font>

<div style='text-align : center'> <Success><font size="5"><b>Organisms and Populations</b></font></Success> </div> <h4 id="primaryshort-answers-type-questionsprimary-24"><Primary>Short Answers Type Questions</Primary></h4> <hr> <div class="text-container"> <p><strong>Ans.</strong> The scientific names of two microorganisms inhabiting the human intestine are Escherichia coli and Lactobacillus.</p> </font> </div> <hr> <font size ="4"> <div style='text-align : center'> Multiple choice questions (MCQs) $\rightarrow$ Very short answer type questions $\rightarrow$ <span style="color:blue">Short answer type questions</span> $\rightarrow$ Long answer type questions </div> </font>

<div style='text-align : center'> <Success><font size="5"><b>Organisms and Populations</b></font></Success> </div> <h4 id="primaryshort-answers-type-questionsprimary-25"><Primary>Short Answers Type Questions</Primary></h4> <hr> <div class="text-container"> <p><strong>Ques.</strong> What is a tree line?</p> </font> </div> <hr> <font size ="4"> <div style='text-align : center'> Multiple choice questions (MCQs) $\rightarrow$ Very short answer type questions $\rightarrow$ <span style="color:blue">Short answer type questions</span> $\rightarrow$ Long answer type questions </div> </font>

<div style='text-align : center'> <Success><font size="5"><b>Organisms and Populations</b></font></Success> </div> <h4 id="primaryshort-answers-type-questionsprimary-26"><Primary>Short Answers Type Questions</Primary></h4> <hr> <div class="text-container"> <p><strong>Ans.</strong> Tree line is the edge of the habitat where trees are capable of growing.</p> <ul> <li>Due to environmental conditions such as cold temperature, high altitude or lack of moisture the trees are not found beyond this line and if found show stunted growth or form low dense matted bushes.</li> </ul> </font> </div> <hr> <font size ="4"> <div style='text-align : center'> Multiple choice questions (MCQs) $\rightarrow$ Very short answer type questions $\rightarrow$ <span style="color:blue">Short answer type questions</span> $\rightarrow$ Long answer type questions </div> </font>

<div style='text-align : center'> <Success><font size="5"><b>Organisms and Populations</b></font></Success> </div> <h4 id="primaryshort-answers-type-questionsprimary-27"><Primary>Short Answers Type Questions</Primary></h4> <hr> <div class="text-container"> <p><strong>Ques.</strong> Define ‘zero population growth rate’.</p> <ul> <li>Draw a age pyramid for the same.</li> </ul> </font> </div> <hr> <font size ="4"> <div style='text-align : center'> Multiple choice questions (MCQs) $\rightarrow$ Very short answer type questions $\rightarrow$ <span style="color:blue">Short answer type questions</span> $\rightarrow$ Long answer type questions </div> </font>

<div style='text-align : center'> <Success><font size="5"><b>Organisms and Populations</b></font></Success> </div> <h4 id="primaryshort-answers-type-questionsprimary-28"><Primary>Short Answers Type Questions</Primary></h4> <hr> <div class="text-container"> <p><strong>Ans.</strong> When the pre-reproductive age group individuals are comparatively fewer and both reproductive and post-reproductive stages are almost in equal stage, i.e., at same level.</p> <ul> <li> <p>It is zero population growth rate.</p> </li> <li> <p>An inverted bell shaped age pyramid is obtained for zero population growth rate.</p> </li> </ul> <p><Success>Ans. to be continued</Success></p> </font> </div> <hr> <font size ="4"> <div style='text-align : center'> Multiple choice questions (MCQs) $\rightarrow$ Very short answer type questions $\rightarrow$ <span style="color:blue">Short answer type questions</span> $\rightarrow$ Long answer type questions </div> </font>

<div style='text-align : center'> <Success><font size="5"><b>Organisms and Populations</b></font></Success> </div> <h4 id="primaryshort-answers-type-questionsprimary-29"><Primary>Short Answers Type Questions</Primary></h4> <hr> <div class="text-container"> <p><img src="https://cdn.mathpix.com/cropped/2024_01_24_136af43fdd62bf9dcffdg-236.jpg?height=227&width=396&top_left_y=995&top_left_x=642"></p> </font> </div> <hr> <font size ="4"> <div style='text-align : center'> Multiple choice questions (MCQs) $\rightarrow$ Very short answer type questions $\rightarrow$ <span style="color:blue">Short answer type questions</span> $\rightarrow$ Long answer type questions </div> </font>

<div style='text-align : center'> <Success><font size="5"><b>Organisms and Populations</b></font></Success> </div> <h4 id="primaryshort-answers-type-questionsprimary-30"><Primary>Short Answers Type Questions</Primary></h4> <hr> <div class="text-container"> <p><strong>Ques.</strong> List any four characters that are employed in human population census.</p> </font> </div> <hr> <font size ="4"> <div style='text-align : center'> Multiple choice questions (MCQs) $\rightarrow$ Very short answer type questions $\rightarrow$ <span style="color:blue">Short answer type questions</span> $\rightarrow$ Long answer type questions </div> </font>

<div style='text-align : center'> <Success><font size="5"><b>Organisms and Populations</b></font></Success> </div> <h4 id="primaryshort-answers-type-questionsprimary-31"><Primary>Short Answers Type Questions</Primary></h4> <hr> <div class="text-container"> <p><strong>Ans.</strong> A population has the following characterstics that are employed in human population census.</p> <p>(i) Natality and mortality</p> <p>(ii) Sex ratio</p> <p>(iii) Population density</p> <p>(iv) Age distribution</p> <p>(v) Population growth</p> </font> </div> <hr> <font size ="4"> <div style='text-align : center'> Multiple choice questions (MCQs) $\rightarrow$ Very short answer type questions $\rightarrow$ <span style="color:blue">Short answer type questions</span> $\rightarrow$ Long answer type questions </div> </font>

<div style='text-align : center'> <Success><font size="5"><b>Organisms and Populations</b></font></Success> </div> <h4 id="primaryshort-answers-type-questionsprimary-32"><Primary>Short Answers Type Questions</Primary></h4> <hr> <div class="text-container"> <p><strong>Ques.</strong> Give one example for each of the following types</p> <p>(a) Migratory animal</p> <p>(b) Camouflaged animal</p> <p>(c) Predator animal</p> <p>(d) Biological control agent</p> <p>(e) Phytophagous animal</p> <p>(f) Chemical defense agent</p> </font> </div> <hr> <font size ="4"> <div style='text-align : center'> Multiple choice questions (MCQs) $\rightarrow$ Very short answer type questions $\rightarrow$ <span style="color:blue">Short answer type questions</span> $\rightarrow$ Long answer type questions </div> </font>

<div style='text-align : center'> <Success><font size="5"><b>Organisms and Populations</b></font></Success> </div> <h4 id="primaryshort-answers-type-questionsprimary-33"><Primary>Short Answers Type Questions</Primary></h4> <hr> <div class="text-container"> <p><strong>Ans.</strong> (a) Migratory animal-American buffalo and dolphin.</p> <p>(b) Camouflaged animal-Grasshopper and chameleon.</p> <p>(c) Predatoranimal-Lion.</p> <p><Success>Ans. to be continued</Success></p> </font> </div> <hr> <font size ="4"> <div style='text-align : center'> Multiple choice questions (MCQs) $\rightarrow$ Very short answer type questions $\rightarrow$ <span style="color:blue">Short answer type questions</span> $\rightarrow$ Long answer type questions </div> </font>

<div style='text-align : center'> <Success><font size="5"><b>Organisms and Populations</b></font></Success> </div> <h4 id="primaryshort-answers-type-questionsprimary-34"><Primary>Short Answers Type Questions</Primary></h4> <hr> <div class="text-container"> <p>(d) Biological control agent-Myxoma virus to kill European rabbit and Gambusia fish to check growth of mosquito larvae.</p> <p>(e) Phytophagous animal-Insects (beetle, butterfly, etc.).</p> <p>(f) Chemical defense agent-Cardiac glycosides.</p> </font> </div> <hr> <font size ="4"> <div style='text-align : center'> Multiple choice questions (MCQs) $\rightarrow$ Very short answer type questions $\rightarrow$ <span style="color:blue">Short answer type questions</span> $\rightarrow$ Long answer type questions </div> </font>

<div style='text-align : center'> <Success><font size="5"><b>Organisms and Populations</b></font></Success> </div> <h4 id="primaryshort-answers-type-questionsprimary-35"><Primary>Short Answers Type Questions</Primary></h4> <hr> <div class="text-container"> <p><strong>Ques.</strong> Fill in the blanks</p> <table> <thead> <tr> <th style="text-align:center">Species A</th> <th style="text-align:center">Species B</th> <th style="text-align:center">Type of Interaction</th> <th style="text-align:center">Example</th> </tr> </thead> <tbody> <tr> <td style="text-align:center">+</td> <td style="text-align:center">-</td> <td style="text-align:center">-</td> <td style="text-align:center">-</td> </tr> <tr> <td style="text-align:center">+</td> <td style="text-align:center">+</td> <td style="text-align:center">-</td> <td style="text-align:center">-</td> </tr> <tr> <td style="text-align:center">+</td> <td style="text-align:center">-</td> <td style="text-align:center">Commensalism</td> <td style="text-align:center">-</td> </tr> </tbody> </table> </font> </div> <hr> <font size ="4"> <div style='text-align : center'> Multiple choice questions (MCQs) $\rightarrow$ Very short answer type questions $\rightarrow$ <span style="color:blue">Short answer type questions</span> $\rightarrow$ Long answer type questions </div> </font>

<div style='text-align : center'> <Success><font size="5"><b>Organisms and Populations</b></font></Success> </div> <h4 id="primaryshort-answers-type-questionsprimary-36"><Primary>Short Answers Type Questions</Primary></h4> <hr> <div class="text-container"> <p><strong>Ans.</strong></p> <table> <thead> <tr> <th style="text-align:center">Species A</th> <th style="text-align:center">Species B</th> <th style="text-align:center">Type of Interaction</th> <th style="text-align:center">Example</th> </tr> </thead> <tbody> <tr> <td style="text-align:center">+</td> <td style="text-align:center">-</td> <td style="text-align:center">Predation</td> <td style="text-align:center">Phytophagous <br> animal and plants.</td> </tr> <tr> <td style="text-align:center">+</td> <td style="text-align:center">+</td> <td style="text-align:center">Protocoperation</td> <td style="text-align:center">Oxpecker and black <br> rhino</td> </tr> </tbody> </table> <p><Success>Ans. to be continued</Success></p> </font> </div> <hr> <font size ="4"> <div style='text-align : center'> Multiple choice questions (MCQs) $\rightarrow$ Very short answer type questions $\rightarrow$ <span style="color:blue">Short answer type questions</span> $\rightarrow$ Long answer type questions </div> </font>

<div style='text-align : center'> <Success><font size="5"><b>Organisms and Populations</b></font></Success> </div> <h4 id="primaryshort-answers-type-questionsprimary-37"><Primary>Short Answers Type Questions</Primary></h4> <hr> <div class="text-container"> <table> <thead> <tr> <th style="text-align:center">Species A</th> <th style="text-align:center">Species B</th> <th style="text-align:center">Type of Interaction</th> <th style="text-align:center">Example</th> </tr> </thead> <tbody> <tr> <td style="text-align:center">+</td> <td style="text-align:center">-</td> <td style="text-align:center">Comensalism</td> <td style="text-align:center">Sea anemone and <br> Hermit crab</td> </tr> </tbody> </table> </font> </div> <hr> <font size ="4"> <div style='text-align : center'> Multiple choice questions (MCQs) $\rightarrow$ Very short answer type questions $\rightarrow$ <span style="color:blue">Short answer type questions</span> $\rightarrow$ Long answer type questions </div> </font>

<div style='text-align : center'> <Success><font size="5"><b>Organisms and Populations</b></font></Success> </div> <h4 id="primaryshort-answers-type-questionsprimary-38"><Primary>Short Answers Type Questions</Primary></h4> <hr> <div class="text-container"> <p><strong>Ques.</strong> Observe the set of 4 figures $A, B, C$ and $D$ and answer the following questions.</p> <p>I. Which one of the figures shows mutualism?</p> <p>II. What kind of association is shown in D?</p> <p>III. Name the organisms and the association in C.</p> <p>IV. What role is the insect performing in $B$ ?</p> <p><Success>Ques. to be continued</Success></p> </font> </div> <hr> <font size ="4"> <div style='text-align : center'> Multiple choice questions (MCQs) $\rightarrow$ Very short answer type questions $\rightarrow$ <span style="color:blue">Short answer type questions</span> $\rightarrow$ Long answer type questions </div> </font>

<div style='text-align : center'> <Success><font size="5"><b>Organisms and Populations</b></font></Success> </div> <h4 id="primaryshort-answers-type-questionsprimary-39"><Primary>Short Answers Type Questions</Primary></h4> <hr> <div class="text-container"> <p><img src="https://cdn.mathpix.com/cropped/2024_01_24_136af43fdd62bf9dcffdg-237.jpg?height=378&width=457&top_left_y=1305&top_left_x=323"></p> <p>Fig. (A)</p> <p><Success>Ques. to be continued</Success></p> </font> </div> <hr> <font size ="4"> <div style='text-align : center'> Multiple choice questions (MCQs) $\rightarrow$ Very short answer type questions $\rightarrow$ <span style="color:blue">Short answer type questions</span> $\rightarrow$ Long answer type questions </div> </font>

<div style='text-align : center'> <Success><font size="5"><b>Organisms and Populations</b></font></Success> </div> <h4 id="primaryshort-answers-type-questionsprimary-40"><Primary>Short Answers Type Questions</Primary></h4> <hr> <div class="text-container"> <p><img src="https://cdn.mathpix.com/cropped/2024_01_24_136af43fdd62bf9dcffdg-237.jpg?height=376&width=530&top_left_y=1306&top_left_x=858"></p> <p>Fig. (B)</p> <p><Success>Ques. to be continued</Success></p> </font> </div> <hr> <font size ="4"> <div style='text-align : center'> Multiple choice questions (MCQs) $\rightarrow$ Very short answer type questions $\rightarrow$ <span style="color:blue">Short answer type questions</span> $\rightarrow$ Long answer type questions </div> </font>

<div style='text-align : center'> <Success><font size="5"><b>Organisms and Populations</b></font></Success> </div> <h4 id="primaryshort-answers-type-questionsprimary-41"><Primary>Short Answers Type Questions</Primary></h4> <hr> <div class="text-container"> <p><img src="https://cdn.mathpix.com/cropped/2024_01_24_136af43fdd62bf9dcffdg-237.jpg?height=381&width=479&top_left_y=1775&top_left_x=305"></p> <p>Fig. (C)</p> <p><Success>Qies. to be continued</Success></p> </font> </div> <hr> <font size ="4"> <div style='text-align : center'> Multiple choice questions (MCQs) $\rightarrow$ Very short answer type questions $\rightarrow$ <span style="color:blue">Short answer type questions</span> $\rightarrow$ Long answer type questions </div> </font>

<div style='text-align : center'> <Success><font size="5"><b>Organisms and Populations</b></font></Success> </div> <h4 id="primaryshort-answers-type-questionsprimary-42"><Primary>Short Answers Type Questions</Primary></h4> <hr> <div class="text-container"> <p><img src="https://cdn.mathpix.com/cropped/2024_01_24_136af43fdd62bf9dcffdg-237.jpg?height=384&width=476&top_left_y=1771&top_left_x=909"></p> <p>Fig. (D)</p> </font> </div> <hr> <font size ="4"> <div style='text-align : center'> Multiple choice questions (MCQs) $\rightarrow$ Very short answer type questions $\rightarrow$ <span style="color:blue">Short answer type questions</span> $\rightarrow$ Long answer type questions </div> </font>

<div style='text-align : center'> <Success><font size="5"><b>Organisms and Populations</b></font></Success> </div> <h4 id="primaryshort-answers-type-questionsprimary-43"><Primary>Short Answers Type Questions</Primary></h4> <hr> <div class="text-container"> <p><strong>Ans.</strong> I. Figure A show a pollinator (bee) on a flower.</p> <ul> <li>The association between pollinator insect and plant is termed as mutulalism.</li> </ul> <p>II. Predation.</p> <p>III. Egrets and grazing cattle is good example of commensalism.</p> <p>IV. Scavenging- The insect is playing the role of an scavenger.</p> </font> </div> <hr> <font size ="4"> <div style='text-align : center'> Multiple choice questions (MCQs) $\rightarrow$ Very short answer type questions $\rightarrow$ <span style="color:blue">Short answer type questions</span> $\rightarrow$ Long answer type questions </div> </font>

<div style='text-align : center'> <Success><font size="5"><b>Organisms and Populations</b></font></Success> </div> <div> <h4 id="primarylong-answers-type-questionsprimary"><Primary>Long Answers Type Questions</Primary></h4> </div>

<div style='text-align : center'> <Success><font size="5"><b>Organisms and Populations</b></font></Success> </div> <h4 id="primarylong-answers-type-questionsprimary-1"><Primary>Long Answers Type Questions</Primary></h4> <hr> <div class="text-container"> <p><strong>Ques.</strong> Comment on the following figure: I, II and III, A, B, C, D, G, P, Q, R, S are species.</p> <p><img alt="alt text" src="https://imagedelivery.net/YfdZ0yYuJi8R0IouXWrMsA/e42a8e61-88d3-428e-929a-e5214e728200/public"></p> </font> </div> <hr> <font size ="4"> <div style='text-align : center'> Multiple choice questions (MCQs) $\rightarrow$ Very short answer type questions $\rightarrow$ Short answer type questions $\rightarrow$ <span style="color:blue">Long answer type questions</span> </div> </font>

<div style='text-align : center'> <Success><font size="5"><b>Organisms and Populations</b></font></Success> </div> <h4 id="primarylong-answers-type-questionsprimary-2"><Primary>Long Answers Type Questions</Primary></h4> <hr> <div class="text-container"> <p><strong>Ans.</strong> <strong>Figure I</strong> It is a single population and all individuals are of the same species, i.e., a individuals interact among themselves and their environment intraspecific interaction.</p> <p><Success>Ans. to be continued</Success></p> </font> </div> <hr> <font size ="4"> <div style='text-align : center'> Multiple choice questions (MCQs) $\rightarrow$ Very short answer type questions $\rightarrow$ Short answer type questions $\rightarrow$ <span style="color:blue">Long answer type questions</span> </div> </font>

<div style='text-align : center'> <Success><font size="5"><b>Organisms and Populations</b></font></Success> </div> <h4 id="primarylong-answers-type-questionsprimary-3"><Primary>Long Answers Type Questions</Primary></h4> <hr> <div class="text-container"> <p><strong>Figure II</strong> It is a community and it contains three populations of species A, B and C.</p> <ul> <li>They interact with each other and their environment and is called interspecific interaction.</li> </ul> <p><Success>Ans. to be continued</Success></p> </font> </div> <hr> <font size ="4"> <div style='text-align : center'> Multiple choice questions (MCQs) $\rightarrow$ Very short answer type questions $\rightarrow$ Short answer type questions $\rightarrow$ <span style="color:blue">Long answer type questions</span> </div> </font>

<div style='text-align : center'> <Success><font size="5"><b>Organisms and Populations</b></font></Success> </div> <h4 id="primarylong-answers-type-questionsprimary-4"><Primary>Long Answers Type Questions</Primary></h4> <hr> <div class="text-container"> <p><strong>Figure III</strong> It is a biome.</p> <ul> <li>It contains three communities of which one is in climax and other two are in different stages of development.</li> <li>All three communities are in the same environment and they interact with each other and their environment.</li> </ul> </font> </div> <hr> <font size ="4"> <div style='text-align : center'> Multiple choice questions (MCQs) $\rightarrow$ Very short answer type questions $\rightarrow$ Short answer type questions $\rightarrow$ <span style="color:blue">Long answer type questions</span> </div> </font>

<div style='text-align : center'> <Success><font size="5"><b>Organisms and Populations</b></font></Success> </div> <h4 id="primarylong-answers-type-questionsprimary-5"><Primary>Long Answers Type Questions</Primary></h4> <hr> <div class="text-container"> <p><strong>Ques.</strong> An individual and a population has certain characteristics.</p> <ul> <li>Name these attributes with definitions.</li> </ul> </font> </div> <hr> <font size ="4"> <div style='text-align : center'> Multiple choice questions (MCQs) $\rightarrow$ Very short answer type questions $\rightarrow$ Short answer type questions $\rightarrow$ <span style="color:blue">Long answer type questions</span> </div> </font>

<div style='text-align : center'> <Success><font size="5"><b>Organisms and Populations</b></font></Success> </div> <h4 id="primarylong-answers-type-questionsprimary-6"><Primary>Long Answers Type Questions</Primary></h4> <hr> <div class="text-container"> <p><strong>Ans.</strong> An individual and a population has following certain attributes like pattern of distribution.</p> <ul> <li>dispersal biotic potential and gene pool.</li> <li><strong>Phenomenon of distribution</strong> of individual within geographical boundaries of the population is termed as <strong>interapopulation</strong> dispersion or internal distribution patterns or dispersion</li> </ul> <p><Success>Ans. to be continued</Success></p> </font> </div> <hr> <font size ="4"> <div style='text-align : center'> Multiple choice questions (MCQs) $\rightarrow$ Very short answer type questions $\rightarrow$ Short answer type questions $\rightarrow$ <span style="color:blue">Long answer type questions</span> </div> </font>