{"id":22413,"date":"2018-11-28T17:50:34","date_gmt":"2018-11-28T12:20:34","guid":{"rendered":"http:\/\/mycbseguide.com\/blog\/?p=22413"},"modified":"2018-12-17T12:49:45","modified_gmt":"2018-12-17T07:19:45","slug":"cbse-question-paper-2011-class-12-biology","status":"publish","type":"post","link":"https:\/\/mycbseguide.com\/blog\/cbse-question-paper-2011-class-12-biology\/","title":{"rendered":"CBSE Question Paper 2011 class 12 Biology"},"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\/cbse-question-paper-2011-class-12-biology\/#Class_12_Biology_list_of_chapters\" >Class 12 Biology list of chapters<\/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\/cbse-question-paper-2011-class-12-biology\/#CBSE_Question_Paper_2011_class_12_Biology\" >CBSE Question Paper 2011 class 12 Biology<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/mycbseguide.com\/blog\/cbse-question-paper-2011-class-12-biology\/#General_Instructions\" >General Instructions:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/mycbseguide.com\/blog\/cbse-question-paper-2011-class-12-biology\/#SECTION_A\" >SECTION A<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/mycbseguide.com\/blog\/cbse-question-paper-2011-class-12-biology\/#SECTION_B\" >SECTION B<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/mycbseguide.com\/blog\/cbse-question-paper-2011-class-12-biology\/#OR\" >OR<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/mycbseguide.com\/blog\/cbse-question-paper-2011-class-12-biology\/#SECTION_C\" >SECTION C<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/mycbseguide.com\/blog\/cbse-question-paper-2011-class-12-biology\/#OR-2\" >OR<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/mycbseguide.com\/blog\/cbse-question-paper-2011-class-12-biology\/#SECTION_D\" >SECTION D<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/mycbseguide.com\/blog\/cbse-question-paper-2011-class-12-biology\/#OR-3\" >OR<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/mycbseguide.com\/blog\/cbse-question-paper-2011-class-12-biology\/#OR-4\" >OR<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/mycbseguide.com\/blog\/cbse-question-paper-2011-class-12-biology\/#OR-5\" >OR<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/mycbseguide.com\/blog\/cbse-question-paper-2011-class-12-biology\/#Last_Year_Question_Paper_Class_12_Biology_2011\" >Last Year Question Paper Class 12 Biology 2011<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/mycbseguide.com\/blog\/cbse-question-paper-2011-class-12-biology\/#Previous_Year_Question_Paper_for_class_12_in_PDF\" >Previous Year Question Paper for class 12 in PDF<\/a><\/li><\/ul><\/nav><\/div>\n<p><strong>CBSE Question Paper 2011 class 12 Biology<\/strong>\u00a0conducted by Central Board of Secondary Education, New Delhi in the month of March 2011. CBSE previous year question papers with solution are available in myCBSEguide mobile app and cbse guide website. The Best CBSE App for students and teachers is myCBSEguide which provides complete study material and practice papers to cbse schools in India and abroad.<\/p>\n<p style=\"text-align: center;\"><strong>CBSE Question Paper 2011 class 11 Biology\u00a0<\/strong><\/p>\n<p style=\"text-align: center;\"><strong><a class=\"button\" href=\"https:\/\/mycbseguide.com\/downloads\/cbse-class-12-biology\/1298\/cbse-last-year-papers\/3\/\">Download as PDF<\/a><\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignright\" src=\"https:\/\/media-mycbseguide.s3.ap-south-1.amazonaws.com\/images\/blog\/12%20biology%20book.jpg\" alt=\"CBSE Question Paper 2011 class 12 Biology\" width=\"111\" height=\"138\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Class_12_Biology_list_of_chapters\"><\/span>Class 12 Biology list of chapters<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ol>\n<li>Reproduction in Organisms<\/li>\n<li>Sexual Reproduction in Flowering Plants<\/li>\n<li>Human Reproduction<\/li>\n<li>Reproductive Health<\/li>\n<li>Principles of Inheritance and Variation<\/li>\n<li>Molecular Basis of Inheritance<\/li>\n<li>Evolution<\/li>\n<li>Human Health and Disease<\/li>\n<li>Strategies for Enhancement in Food Production<\/li>\n<li>Microbes in Human Welfare<\/li>\n<li>Biotechnology Principles and Processes<\/li>\n<li>Biotechnology and its Applications<\/li>\n<li>Organisms and Populations<\/li>\n<li>Ecosystem<\/li>\n<li>Biodiversity and Conservation<\/li>\n<li>Environmental Issues<\/li>\n<\/ol>\n<h2><span class=\"ez-toc-section\" id=\"CBSE_Question_Paper_2011_class_12_Biology\"><\/span>CBSE Question Paper 2011 class 12 Biology<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<div>\n<h3><span class=\"ez-toc-section\" id=\"General_Instructions\"><\/span><strong>General Instructions:<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ol>\n<li>All questions are compulsory<\/li>\n<li>This question paper consist of section A, B, C and D. A contain 8 questions of one mark each, section B is of 10 questions of two marks each, section C is of 9 questions of three marks each and section D is of 3 questions of five marks each.<\/li>\n<li>There is no overall choice. however, an internal choice has been provided in one question of 2 marks., one question of 3 marks and two questions of 5 marks weight age. a student has to attempt only one of the alternatives is such questions.<\/li>\n<li>Whenever necessary, the diagram draw should be neat and properly labeled.<\/li>\n<\/ol>\n<hr \/>\n<h3 style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"SECTION_A\"><\/span><strong>SECTION A<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>1. Name the embryonic stage that gets implanted in the uterine wall of a human female.<\/strong><\/p>\n<p><strong>2. State the importance of biofortification.<\/strong><\/p>\n<p><strong>3. Biotechnologists refer to Agrobacterium tumifaciens as a natural genetic\u00a0engineer of plants. Give reasons to support the statement.<\/strong><\/p>\n<p><strong>4. How do algal blooms affect the life in water bodies?<\/strong><\/p>\n<p><strong>5. Name the common ancestor of the great apes and man.<\/strong><\/p>\n<p><strong>6. Write a difference between net primary productivity and gross productivity.<\/strong><\/p>\n<p><strong>7. Mention the contribution of genetic maps in human genome project.<\/strong><\/p>\n<p><strong>8. Name the phase all organisms have to pass through before they can reproduce sexually.<\/strong><\/p>\n<hr \/>\n<h3 style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"SECTION_B\"><\/span><strong>SECTION B<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Q.Nos. 9 &#8211; 18 are of 2 marks each.<\/strong><\/p>\n<p><strong>9. Name the enzyme produced by Streptococcus bacterium. Explain its\u00a0importance in medical sciences.<\/strong><\/p>\n<p><strong>10. How is \u2018Rosie\u2019 considered different from a normal cow? Explain.<\/strong><\/p>\n<p><strong>11. State the use of Biodiversity in modern agriculture.<\/strong><\/p>\n<p><strong>12. Write the full form of VNTR. How is VNTR different from \u2018Probe\u2019?<\/strong><\/p>\n<p><strong>13. Differentiate between benign and malignant tumours.<\/strong><\/p>\n<p><strong>14.<\/strong><br \/>\n<strong><img decoding=\"async\" id=\"Picture 1\" style=\"height: 151px; width: 154px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/lyp\/12\/bio\/2011\/set2\/image001.png\" \/><br \/>\nThe above graph shows Species-Area relationship. Write the equation of\u00a0the curve \u2018a\u2019 and explain.<\/strong><\/p>\n<h3 style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"OR\"><\/span><strong>OR<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Differentiate between in situ and ex situ approaches of conservation of\u00a0biodiversity.<\/strong><\/p>\n<p><strong>15. The cell division involved in gamete formation is not of the same type in\u00a0different organisms. Justify.<\/strong><\/p>\n<p><strong>16.<\/strong><br \/>\n<strong><img decoding=\"async\" id=\"Picture 2\" style=\"height: 110px; width: 174px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/lyp\/12\/bio\/2011\/set2\/image002.png\" \/><br \/>\nIdentify the type of the given ecological pyramid and give one example each\u00a0of pyramid of number and pyramid of biomass in such cases.<\/strong><\/p>\n<p><strong>17. Describe the Lactational Amenorrhea method of birth control.<\/strong><\/p>\n<p><strong>18. Name the type of bioreactor shown. Write the purpose for which it is used.<\/strong><br \/>\n<img decoding=\"async\" id=\"Picture 3\" style=\"height: 180px; width: 104px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/lyp\/12\/bio\/2011\/set2\/image003.png\" \/><\/p>\n<hr \/>\n<h3 style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"SECTION_C\"><\/span><strong>SECTION C<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Q.Nos. 19 &#8211; 27 are of 3 marks each.<\/strong><\/p>\n<p><strong>19. Draw a labelled diagram of the reproductive system in a human female.<\/strong><\/p>\n<p><strong>20. Branching descent and natural selection are the two key concepts of\u00a0Darwinian Theory of Evolution. Explain each concept with the help of a\u00a0suitable example.<\/strong><\/p>\n<p><strong>21. Scientists have succeeded in recovering healthy sugarcane plants from a diseased one.<\/strong><\/p>\n<p><strong>(a) Name the part of the plant used as explant by the scientists.<\/strong><\/p>\n<p><strong>(b) Describe the procedure the scientists followed to recover the\u00a0healthy plants.<\/strong><\/p>\n<p><strong>(c) Name this technology used for crop improvement.<\/strong><\/p>\n<p><strong>22. (i) Name the enzyme that catalyses the transcription of hnRNA.<\/strong><\/p>\n<p><strong>(ii) Why does the hnRNA need to undergo changes? List the changes hn\u00a0RNA undergoes and where in the cell such changes take place.<\/strong><\/p>\n<p><strong>23. (i) Write the scientific names of the two species of filarial worms causing\u00a0filariasis.<\/strong><\/p>\n<p><strong>(ii) How do they affect the body of infected person(s)?<\/strong><\/p>\n<p><strong>(iii) How does the disease spread?<\/strong><\/p>\n<p><strong>24. Name the genus to which baculoviruses belong. Describe their role in the integrated pest management programmes.<\/strong><\/p>\n<p><strong>25. Unambiguous, universal and degenerate are some of the terms used for the genetic code. Explain the salient features of each one of them.<\/strong><\/p>\n<p><strong>26. Water is very essential for life. Write any three features both for plants and animals which enable them to survive in water scarce environment.<\/strong><\/p>\n<h3 style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"OR-2\"><\/span><strong>OR<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>How do organisms cope with stressful external environmental conditions which are localised or of short duration?<\/strong><\/p>\n<p><strong>27. (i) State the consequence if the electrostatic precipitator of a thermal plant fails to function.<br \/>\n(ii) Mention any four methods by which the vehicular air pollution can be controlled.<\/strong><\/p>\n<hr \/>\n<h3 style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"SECTION_D\"><\/span><strong>SECTION D<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Q.Nos. 28 &#8211; 30 are of 5 marks each.<\/strong><\/p>\n<p><strong>28. Give reasons why:<br \/>\n(i) most zygotes in angiosperms divide only after certain amount of\u00a0endosperm is formed.<br \/>\n(ii) groundnut seeds are exalbuminous and castor seeds are albuminous.<br \/>\n(iii) Micropyle remains as a small pore in the seed coat of a seed.<br \/>\n(iv) integuments of an ovule harden and the water content is highly reduced,\u00a0as the seed matures.<br \/>\n(v) apple and cashew are not called true fruits.<\/strong><\/p>\n<h3 style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"OR-3\"><\/span><strong>OR<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>(a) Draw a labelled diagram of L.S. of an embryo of grass (any six labels).<\/strong><\/p>\n<p><strong><img decoding=\"async\" id=\"Picture 5\" style=\"height: 287px; width: 168px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/lyp\/12\/bio\/2011\/set2\/image005.png\" \/><\/strong><\/p>\n<p><strong>(b) Give reason for each of the following:<br \/>\n(i) Anthers of angiosperm flowers are described as dithecous.<br \/>\n(ii) Hybrid seeds have to be produced year after year.<\/strong><\/p>\n<p><strong>29. Describe the mechanism of pattern of inheritance of ABO blood groups in Hum<\/strong><\/p>\n<h3 style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"OR-4\"><\/span><strong>OR<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>(a) Why is haemophilia generally observed in human males? Explain the\u00a0conditions under which a human female can be haemophilic.<\/strong><\/p>\n<p><strong>(b) A pregnant human female was advised to undergo M.T.P. It was diagnosed by her doctor that the foetus she is carrying has developed\u00a0from a zygote formed by an XX-egg fertilized by Y-carrying sperm.<br \/>\nWhy was she advised to undergo M.T.P.?<\/strong><\/p>\n<p><strong>30. (i) Describe the characteristics a cloning vector must possess.<\/strong><\/p>\n<p><strong>(ii) Why DNA cannot pass through the cell membrane? Explain. How is a bacterial cell made \u2018competent\u2019 to take up recombinant DNA from the medium?<\/strong><\/p>\n<h3 style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"OR-5\"><\/span><strong>OR<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>If a desired gene is identified in an organism for some experiments, explain<\/strong><\/p>\n<p><strong>the process of the following:<\/strong><\/p>\n<p><strong>(i) Cutting this desired gene at specific location<\/strong><\/p>\n<p><strong>(ii) Synthesis of multiple copies of this desired gene<\/strong><\/p>\n<div>\n<p style=\"text-align: center;\"><strong>These are questions only. To view and download complete question paper with solution install myCBSEguide App from google play store or login to our\u00a0<a href=\"https:\/\/mycbseguide.com\/dashboard\/\">student dashboard<\/a>.<\/strong><\/p>\n<p style=\"text-align: center;\"><b><strong><a class=\"button\" href=\"https:\/\/play.google.com\/store\/apps\/details?id=in.techchefs.MyCBSEGuide&amp;referrer=utm_source%3Dmycbse_bottom%26utm_medium%3Dtext%26utm_campaign%3Dmycbseads\">Download myCBSEguide App<\/a><\/strong><\/b><\/p>\n<\/div>\n<h2><span class=\"ez-toc-section\" id=\"Last_Year_Question_Paper_Class_12_Biology_2011\"><\/span>Last Year Question Paper Class 12 Biology 2011<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Download class 12 Biology question paper with solution from best CBSE App the myCBSEguide. CBSE class 12 Biology question paper 2011 in PDF format with solution will help you to understand the latest question paper pattern and marking scheme of the CBSE board examination. You will get to know the difficulty level of the question paper.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Previous_Year_Question_Paper_for_class_12_in_PDF\"><\/span>Previous Year Question Paper for class 12 in PDF<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>CBSE question papers 2018, 2017, 2016, 2015, 2014, 2013, 2012, 2011, 2010, 2009, 2008, 2007, 2006, 2005 and so on for all the subjects are available under this download link. Practicing real question paper certainly helps students to get confidence and improve performance in weak areas.<\/p>\n<ul>\n<li><a href=\"http:\/\/mycbseguide.com\/downloads\/cbse-class-12-physics\/1251\/cbse-last-year-papers\/3\/\">Physics<\/a><\/li>\n<li><a href=\"http:\/\/mycbseguide.com\/downloads\/cbse-class-12-chemistry\/1267\/cbse-last-year-papers\/3\/\">Chemistry<\/a><\/li>\n<li><a href=\"http:\/\/mycbseguide.com\/downloads\/cbse-class-12-mathematics\/1284\/cbse-last-year-papers\/3\/\">Mathematics<\/a><\/li>\n<li><a href=\"http:\/\/mycbseguide.com\/downloads\/cbse-class-12-biology\/1298\/cbse-last-year-papers\/3\/\">Biology<\/a><\/li>\n<li><a href=\"http:\/\/mycbseguide.com\/downloads\/cbse-class-12-accountancy\/1315\/cbse-last-year-papers\/3\/\">Accountancy<\/a><\/li>\n<li><a href=\"http:\/\/mycbseguide.com\/downloads\/cbse-class-12-business-studies\/1727\/cbse-last-year-papers\/3\/\">Business Studies<\/a><\/li>\n<li><a href=\"http:\/\/mycbseguide.com\/downloads\/cbse-class-12-economics\/1327\/cbse-last-year-papers\/3\/\">Economics<\/a><\/li>\n<li><a href=\"http:\/\/mycbseguide.com\/downloads\/cbse-class-12-history\/1869\/cbse-last-year-papers\/3\/\">History<\/a><\/li>\n<li><a href=\"http:\/\/mycbseguide.com\/downloads\/cbse-class-12-geography\/1863\/cbse-last-year-papers\/3\/\">Geography<\/a><\/li>\n<li><a href=\"http:\/\/mycbseguide.com\/downloads\/cbse-class-12-political-science\/1879\/cbse-last-year-papers\/3\/\">Political Science<\/a><\/li>\n<li><a href=\"http:\/\/mycbseguide.com\/downloads\/cbse-class-12-physical-education\/1877\/cbse-last-year-papers\/3\/\">Physical Education<\/a><\/li>\n<li><a href=\"http:\/\/mycbseguide.com\/downloads\/cbse-class-12-computer-science\/1851\/cbse-last-year-papers\/3\/\">Computer Science<\/a><\/li>\n<li><a href=\"http:\/\/mycbseguide.com\/downloads\/cbse-class-12-informatics-practices\/1873\/cbse-last-year-papers\/3\/\">Informatics Practices<\/a><\/li>\n<li><a href=\"http:\/\/mycbseguide.com\/downloads\/cbse-class-12-english-core\/1855\/cbse-last-year-papers\/3\/\">English Core<\/a><\/li>\n<li><a href=\"http:\/\/mycbseguide.com\/downloads\/cbse-class-12-hindi-core\/1865\/cbse-last-year-papers\/3\/\">Hindi Core<\/a><\/li>\n<li><a href=\"http:\/\/mycbseguide.com\/downloads\/cbse-class-12-hindi-elective\/1867\/cbse-last-year-papers\/3\/\">Hindi Elective<\/a><\/li>\n<li><a href=\"http:\/\/mycbseguide.com\/downloads\/cbse-class-12\/1250\/\">Other Subjects<\/a><\/li>\n<\/ul>\n<p>To download CBSE Question Paper class 12 Biology, Chemistry, Physics, 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<\/div>\n","protected":false},"excerpt":{"rendered":"<p>CBSE Question Paper 2011 class 12 Biology\u00a0conducted by Central Board of Secondary Education, New Delhi in the month of March 2011. CBSE previous year question papers with solution are available in myCBSEguide mobile app and cbse guide website. The Best CBSE App for students and teachers is myCBSEguide which provides complete study material and practice &#8230; <a title=\"CBSE Question Paper 2011 class 12 Biology\" class=\"read-more\" href=\"https:\/\/mycbseguide.com\/blog\/cbse-question-paper-2011-class-12-biology\/\" aria-label=\"More on CBSE Question Paper 2011 class 12 Biology\">Read more<\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1435,1346,1014],"tags":[276,1527,1342,80,1566,1569],"class_list":["post-22413","post","type-post","status-publish","format-standard","hentry","category-biology-cbse-class-12","category-cbse","category-cbse-question-papers","tag-biology","tag-cbse-question-paper","tag-class-12","tag-last-year-papers","tag-previous-question-paper","tag-ten-year-questions-paper"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.0 - 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