{"id":3198,"date":"2016-05-04T15:41:36","date_gmt":"2016-05-04T10:11:36","guid":{"rendered":"http:\/\/mycbseguide.com\/blog\/?p=3198"},"modified":"2018-10-22T12:03:40","modified_gmt":"2018-10-22T06:33:40","slug":"ncert-solutions-for-class-12-biology-organisms-and-populations","status":"publish","type":"post","link":"https:\/\/mycbseguide.com\/blog\/ncert-solutions-for-class-12-biology-organisms-and-populations\/","title":{"rendered":"NCERT Solutions for Class 12 Biology Organisms and populations"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_76 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 eztoc-toggle-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-for-class-12-biology-organisms-and-populations\/#NCERT_Class_12_Biology_Chapter_wise_Solutions\" >NCERT Class 12 Biology Chapter wise Solutions<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-for-class-12-biology-organisms-and-populations\/#NCERT_Solutions_for_Class_12_Biology_Organisms_and_populations\" >NCERT Solutions for Class 12 Biology Organisms and populations<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-for-class-12-biology-organisms-and-populations\/#NCERT_Solutions_for_Class_12_Biology\" >NCERT Solutions for Class 12 Biology<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-for-class-12-biology-organisms-and-populations\/#CBSE_app_for_Class_12\" >CBSE app for Class 12<\/a><\/li><\/ul><\/nav><\/div>\n<p>NCERT Solutions for Class 12 Biology Organisms and populations Class 12 Biology book solutions are available in PDF format for free download. These ncert book chapter wise questions and answers are very helpful for CBSE board exam. CBSE recommends NCERT books and most of the questions in CBSE exam are asked from NCERT text books. Class 12 Biology chapter wise NCERT solution for Biology all the chapters can be downloaded from our website and myCBSEguide mobile app for free.<\/p>\n<p><strong>Download\u00a0<a href=\"https:\/\/mycbseguide.com\/downloads\/cbse-class-12-biology\/1298\/ncert-solutions\/5\/\">NCERT solutions for Organisms and populations\u00a0<\/a>\u00a0as PDF.<\/strong><\/p>\n<h2><img loading=\"lazy\" decoding=\"async\" class=\"alignright\" src=\"https:\/\/media-mycbseguide.s3.ap-south-1.amazonaws.com\/images\/blog\/12%20biology%20book.jpg\" alt=\"NCERT Solutions for Class 12 Biology Environmental issues\" width=\"130\" height=\"161\" \/><\/h2>\n<h2><span class=\"ez-toc-section\" id=\"NCERT_Class_12_Biology_Chapter_wise_Solutions\"><\/span>NCERT Class 12 Biology Chapter wise Solutions<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>1 \u2013 Reproduction in Organism<\/li>\n<li>2 \u2013 Sexual Reproduction in Flowering Plants<\/li>\n<li>3 \u2013 Human Reproduction<\/li>\n<li>4 \u2013 Reproductive Health<\/li>\n<li>5 \u2013 Principles of Inheritance and Variation<\/li>\n<li>6 \u2013 Molecular Basis of Inheritance<\/li>\n<li>7 \u2013 Evolution<\/li>\n<li>8 \u2013 Human Health and Disease<\/li>\n<li>9 \u2013 Strategies for Enhancement in Food Production<\/li>\n<li>10 \u2013 Microbes in Human Welfare<\/li>\n<li>11 \u2013 Biotechnology: Principles and Processes<\/li>\n<li>12 \u2013 Biotechnology and its Applications<\/li>\n<li>13 \u2013 Organisms and Populations<\/li>\n<li>14 \u2013 Ecosystem<\/li>\n<li>15 \u2013 Biodiversity and Conservation<\/li>\n<li>16 \u2013 Environmental Issues<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"NCERT_Solutions_for_Class_12_Biology_Organisms_and_populations\"><\/span>NCERT Solutions for Class 12 Biology Organisms and populations<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>1. How is diapause different from hibernation?<br \/>\n2. If a marine fish is placed in a fresh water aquarium, will the fish be able to survive? Why or why not?<br \/>\n3. Define phenotypic adaptation. Give one example.<br \/>\n4. Most living organisms cannot survive at temperature above 45\u00b0C\u00b0. How are some microbes able to live in habitats with temperatures exceeding 100\u00b0C?<br \/>\n5. List the attributes that populations but not individuals possess.<br \/>\n6. If a population growing exponentially double in size in 3 years, what is the intrinsic rate of increase (r) of the population?<br \/>\n7. Name important defence mechanisms in plants against herbivory.<br \/>\n8. An orchid plant is growing on the branch of mango tree. How do you describe this interaction between the orchid and the mango tree?<br \/>\n9. What is the ecological principle behind the biological control method of managing with pest insects?<br \/>\n10. Distinguish between the following:<br \/>\n(a) Hibernation and Aestivation<br \/>\n(b) Ectotherms and Endotherms<br \/>\n11. Write a short note on<br \/>\n(a) Adaptations of desert plants and animals<br \/>\n(b) Adaptations of plants to water scarcity<br \/>\n(c) Behavioural adaptations in animals<br \/>\n(d) Importance of light to plants<br \/>\n(e) Effect of temperature or water scarcity and the adaptations of animals.<\/p>\n<p>12. Define decomposition and describe the processes and products of decomposition.<br \/>\n13. Give an example for:<br \/>\n(a) An endothermic animal<br \/>\n(b) An ectothermic animal<br \/>\n(c) An organism of benthic zone<br \/>\n14. Define population and community.<br \/>\n15. Define the following terms and give one example for each:<br \/>\n(a) Commensalism<br \/>\n(b) Parasitism<br \/>\n(c) Camouflage<br \/>\n(d) Mutualism<br \/>\n(e) Interspecific competition<br \/>\n16. With the help of suitable diagram describe the logistic population growth curve.<br \/>\n17. Select the statement which explains best parasitism.<br \/>\n(a) One organism is benefited.<br \/>\n(b) Both the organisms are benefited.<br \/>\n(c) One organism is benefited, other is not affected.<br \/>\n(d) One organism is benefited, other is affected.<br \/>\n18. List any three important characteristics of a population and explain.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"NCERT_Solutions_for_Class_12_Biology\"><\/span>NCERT Solutions for Class 12 Biology<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>NCERT Solutions Class 12 Biology PDF (Download) Free from myCBSEguide app and myCBSEguide website. Ncert solution class 12 Biology includes text book solutions from\u00a0Biology Book. NCERT Solutions for CBSE Class 12 Biology have total 16 chapters. 12 Biology NCERT Solutions in PDF for free Download on our website. Ncert Biology class 12 solutions PDF and Biology ncert class 12 PDF solutions with latest modifications and as per the latest CBSE syllabus are only available in myCBSEguide<\/p>\n<h2><span class=\"ez-toc-section\" id=\"CBSE_app_for_Class_12\"><\/span>CBSE app for Class 12<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>To download\u00a0NCERT Solutions for class 12 Physics, Chemistry, Biology, History, Political Science, Economics, Geography, Computer Science, Home Science, Accountancy, Business Studies and Home Science; do check myCBSEguide app or website. myCBSEguide provides sample papers with solution, test papers for chapter-wise practice, NCERT solutions, NCERT Exemplar solutions, quick revision notes for ready reference, CBSE guess papers and CBSE important question papers. Sample Paper all are made available through\u00a0<a href=\"https:\/\/play.google.com\/store\/apps\/details?id=in.techchefs.MyCBSEGuide&amp;referrer=utm_source%3Dmycbse_bottom%26utm_medium%3Dtext%26utm_campaign%3Dmycbseads\"><strong>the best app for CBSE students<\/strong><\/a>\u00a0and myCBSEguide website.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>NCERT Solutions for Class 12 Biology Organisms and populations Class 12 Biology book solutions are available in PDF format for free download. These ncert book chapter wise questions and answers are very helpful for CBSE board exam. CBSE recommends NCERT books and most of the questions in CBSE exam are asked from NCERT text books. &#8230; <a title=\"NCERT Solutions for Class 12 Biology Organisms and populations\" class=\"read-more\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-for-class-12-biology-organisms-and-populations\/\" aria-label=\"More on NCERT Solutions for Class 12 Biology Organisms and populations\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":-1,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1435,281],"tags":[276,283,1342,216],"class_list":["post-3198","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-biology-cbse-class-12","category-ncert-solutions","tag-biology","tag-cbse-study-material","tag-class-12","tag-ncert-solutions"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>NCERT Solutions for Class 12 Biology Organisms and populations<\/title>\n<meta name=\"description\" content=\"NCERT Solutions for Class 12 Biology Organisms and populations in PDF format for free download. 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