{"id":22392,"date":"2018-11-28T16:59:26","date_gmt":"2018-11-28T11:29:26","guid":{"rendered":"http:\/\/mycbseguide.com\/blog\/?p=22392"},"modified":"2018-12-17T12:50:31","modified_gmt":"2018-12-17T07:20:31","slug":"cbse-question-paper-2013-class-12-biology","status":"publish","type":"post","link":"https:\/\/mycbseguide.com\/blog\/cbse-question-paper-2013-class-12-biology\/","title":{"rendered":"CBSE Question Paper 2013 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-2013-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-2013-class-12-biology\/#CBSE_Question_Paper_2013_class_12_Biology\" >CBSE Question Paper 2013 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-2013-class-12-biology\/#Update_myCBSEguide_App_Update_to_latest_version_and_enjoy_the_new_look_feel_of_your_favourite_study_app\" >Update myCBSEguide App\nUpdate to latest version and enjoy the new look & feel of your favourite study app.<\/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-2013-class-12-biology\/#SECTION_%E2%80%93_A\" >SECTION \u2013 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-2013-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-6\" href=\"https:\/\/mycbseguide.com\/blog\/cbse-question-paper-2013-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-7\" href=\"https:\/\/mycbseguide.com\/blog\/cbse-question-paper-2013-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-8\" href=\"https:\/\/mycbseguide.com\/blog\/cbse-question-paper-2013-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-9\" href=\"https:\/\/mycbseguide.com\/blog\/cbse-question-paper-2013-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-10\" href=\"https:\/\/mycbseguide.com\/blog\/cbse-question-paper-2013-class-12-biology\/#Last_Year_Question_Paper_Class_12_Biology_2013\" >Last Year Question Paper Class 12 Biology 2013<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/mycbseguide.com\/blog\/cbse-question-paper-2013-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 2013 class 12 Biology<\/strong>\u00a0conducted by Central Board of Secondary Education, New Delhi in the month of March 2013. 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 2013 class 12 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 2013 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_2013_class_12_Biology\"><\/span>CBSE Question Paper 2013 class 12 Biology<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><!--\n<center>\n\n\n<h3 style=\"background-color: #FDFDDC\"; ><font color=\"red\">Children's Day Quiz<\/font>\non 14th November 2018 <\/br>\n<font color=\"red\">How to Participate <\/font><\/br>\n<font color=\"green\">Update the App<\/font><\/br>\nTap <strong>Test Series <\/strong> on home screen<\/br>\n<font color=\"blue\">Attempt the Quiz online<\/font><\/h3>\n\n\n<\/center>\n\n--><!--\n<center>\n\n\n<h3 style=\"background-color: #FDFDDC\"; ><span class=\"ez-toc-section\" id=\"Update_myCBSEguide_App_Update_to_latest_version_and_enjoy_the_new_look_feel_of_your_favourite_study_app\"><\/span><font color=\"red\">Update myCBSEguide App<\/font>\n<a href=\"https:\/\/play.google.com\/store\/apps\/details?id=in.techchefs.MyCBSEGuide\">Update<\/a> to latest version and enjoy the new look & feel of your favourite study app.<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n<\/center>\n\n--><strong>General Instructions:<\/strong><\/h3>\n<div>\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_%E2%80%93_A\"><\/span><strong>SECTION \u2013 A<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Q.1. Why banana is considered a good example of parthenocarpy?<\/strong><\/p>\n<p><strong>Q.2. State two different roles of spleen in the human body<\/strong><\/p>\n<p><strong>Q.3 A garden pea plant produced axial white flowers. Another of the same\u00a0species produced terminal violet flowers. Identify the dominant traits.<\/strong><\/p>\n<p><strong>Q.4 Why is it desirable to use unleaded petrol in vehicles fitted with\u00a0catalytic converters?<\/strong><\/p>\n<p><strong>Q.5 Where is acrosome present in humans? Write its function.<\/strong><\/p>\n<p><strong>Q.6 Write the name of the following<\/strong><\/p>\n<p><strong>(a) The most common species of bees suitable for apiculture<\/strong><\/p>\n<p><strong>(b) An improved breed of chicken<\/strong><\/p>\n<p><strong>Q.7 Comment on the similarity between the wing of a cockroach and\u00a0the wing of a bird. What do you infer from the above, with reference\u00a0to evolution?<\/strong><\/p>\n<p><strong>Q.8 Mention the role of cyanobacteria as a biofertiliser.<\/strong><\/p>\n<p><strong>Q.9 (a) Draw a neat labelled diagram of a nucleosome.<\/strong><\/p>\n<p><strong>(b) Mention what enables histones to acquire a positive charge.<\/strong><\/p>\n<p><strong>Q.10. State one advantage and one disadvantage of cleistogamy.<\/strong><\/p>\n<p><strong>Q.11 (a) Where do the signals for parturition originate from in human?<\/strong><\/p>\n<p><strong>(b) Why is it important to feed the new born babies on colostrum?<\/strong><\/p>\n<p><strong>Q.12 (a) A recombinant vector with a gene of interest inserted within the\u00a0gene of \u03b1-galactosidase enzyme, is introduced into a bacterium. Explain the\u00a0method that would help in selection of recombinant colonies from non-recombinant ones.<\/strong><\/p>\n<p><strong>(b) Why is this method or selection referred to as \u201cinsertional\u00a0inactivation&#8221;?<\/strong><\/p>\n<p><strong>Q.13 Explain brood parasitism with the help of an example.<\/strong><\/p>\n<p><strong>Q.14 Give reasons for the following<\/strong><\/p>\n<p><strong>a) The human testes are located outside the abdominal cavity.<\/strong><\/p>\n<p><strong>b) Some organisms like honey-bees are called parthenogenetic animals.<\/strong><\/p>\n<p><strong>Q.15 Name the plant source of ganja. How does it affect the body of the\u00a0abuser?<\/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>Name the two special types of lymphocytes in humans. How do they differ\u00a0in their roles in immune response?<\/strong><\/p>\n<p><strong>Q.16 (a) Mention the cause and the body system affected by ADA\u00a0deficiency in humans.<\/strong><\/p>\n<p><strong>(b) Name the vector used for transferring ADA.DNA into the recipient\u00a0cells in humans. Name the recipient cells.<\/strong><\/p>\n<p><strong>Q.17 How did Ahmed Khan, plastic sacks manufacturer from Bangalore, solve the ever-increasing problem of accumulating plastic\u00a0waste?<\/strong><\/p>\n<p><strong>Q.18 Name the bacterium that causes typhoid. Mention two diagnostic\u00a0symptoms. How is this disease transmitted to others?<\/strong><\/p>\n<p><strong>Q.19 (a) Explain the phenomena of multiple alllism and co-dominance taking\u00a0ABO blood group as an example.<\/strong><\/p>\n<p><strong>(b) What is the phenotype of the following<br \/>\n(i) I<sup>A<\/sup>i (ii) ii<\/strong><\/p>\n<p><strong>Q.20 How does industrial melanism support Darwin\u2019s theory of Natural Selection? Explain.<\/strong><\/p>\n<p><strong>Q.21 (a) What is the programme called that is involved in improving success rate of production of desired hybrid and herd size of catfie 7<\/strong><\/p>\n<p><strong>(b) Explain the method used for carrying this programme for cows.<\/strong><\/p>\n<p><strong>Q.22 Explain the function or each of the following:<\/strong><\/p>\n<p><strong>(a) Coleorhizae<\/strong><\/p>\n<p><strong>(b) Umbilical cord<\/strong><\/p>\n<p><strong>(c) Germ pores<\/strong><\/p>\n<p><strong>Q.23 How is the amplification of a gene sample of interest carried out using Polymerase Chain Reaction (PCR)?<\/strong><\/p>\n<p><strong>Q.24 Trace the life-cycle of malarial parasite in the human body when bitten by an infected female Anopheles.<\/strong><\/p>\n<p><strong>Q.25 List the salient features of double helix structure of DNA.<\/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 are the structural genes activated in the lac operon in E. coil?<\/strong><\/p>\n<p><strong>Q.26 Alien species are highly invasive and are a threat to indigenous species. Substantiate this statement with any three examples.<\/strong><\/p>\n<p><strong>Q.27 (a) Tobacco plants are damaged severely when infested with Meloidegyne incognitia. Name and explain the strategy that is adopted to\u00a0stop this infestation.<\/strong><\/p>\n<p><strong>(b) Name the vector used for introducing the nematode specific gene in tobacco plant.<\/strong><\/p>\n<p><strong>Q.28 (a) Taking one example each of habitat loss and fragmentation, explain how are the two responsible for biodiversity loss.<\/strong><\/p>\n<p><strong>(b) Explain two different ways of biodiversity conservation.<\/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) What depletes ozone in the stratosphere? How does this affect human life?<\/strong><\/p>\n<p><strong>(b) Explain biomagnification or DDT in an aquatic food chain. How does it affect the bird population?<\/strong><\/p>\n<p><strong>Q.29<br \/>\n<img decoding=\"async\" id=\"Picture 3\" style=\"height: 76px; width: 378px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/lyp\/12\/bio\/2012\/image003.png\" \/><br \/>\n(a) Identify the figure that illustrates corpus luteum and name the pituitary hormone that influences its formation.<\/strong><\/p>\n<p><strong>(b) Specify the endocrine function of corpus luteum. How does it influence the uterus Why is it essential?<\/strong><\/p>\n<p><strong>(c) What is the difference between \u201cd\u201d and \u201ce\u201d?<\/strong><\/p>\n<p><strong>(d) Draw a neat labelled sketch of Graafian follicle.<\/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 Fertilization in an angiosperm referred to as double fertilization?\u00a0Mention the ploidy of the cells involved.<\/strong><\/p>\n<p><strong>(b) Draw a neat labelled sketch of L.S. of an endospermus monocot seed.<\/strong><\/p>\n<p>&nbsp;<\/p>\n<p><strong>Q.30 Describe Frederick Griffith&#8217;s experiment on Streptococcus pneunnoniae. Discuss the conclusion he arrived at.<\/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>(a) Explain a monohybrid cross taking seed coat colour as a trait in Pisum sativum. Work out the cross upto F<sub>2<\/sub> generation.<\/strong><\/p>\n<p><strong>(b) State the laws of inheritance that can be derived from such a cross.<\/strong><\/p>\n<p><strong>(c) How is the phenotypic ratio of F<sub>2<\/sub> generation different in a dihybrid cross.<\/strong><\/p>\n<\/div>\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_2013\"><\/span>Last Year Question Paper Class 12 Biology 2013<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 2013 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","protected":false},"excerpt":{"rendered":"<p>CBSE Question Paper 2013 class 12 Biology\u00a0conducted by Central Board of Secondary Education, New Delhi in the month of March 2013. 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 2013 class 12 Biology\" class=\"read-more\" href=\"https:\/\/mycbseguide.com\/blog\/cbse-question-paper-2013-class-12-biology\/\" aria-label=\"More on CBSE Question Paper 2013 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-22392","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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