Download CBSE Class 12 Biology Question Papers
Access comprehensive previous year question papers for Class 12 Biology using the CBSE Class 12 Biology Question Paper 2013 Set 01. Designed to align with the 2026-27 CBSE academic guidelines, these solved papers help students assess their exam readiness and understand official marking schemes.
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CBSE Class 12 Biology Question Paper 2013 (1). Students can download the last year question papers using the link below. Free download of examination question papers with solutions.Last 10 year question papers should be practised to get better marks in examinations.
SECTION-A
1. A bilobed, dithecous anther has 100 microspore mother cells per microsporangium.How many male gametophytes this anther can produce?
2. Mention two functions of the codon AUG.
3. Name the scientist who disproved spontaneous generation theory.
4. What is it that prevents a child to suffer from a disease he/she is vaccinated against? Give one reason.
5. Why is the enzyme cellulase used for isolating genetic material from plant cells but not for animal cells?
6. Name a molecular diagnostic technique to detect the presence of a pathogen in its early stage of infection.
7. If 8 individuals in a laboratory population of 80 fruitflies died in a week, then what would be the death rate for population for the said period?
SECTION-B
9. A moss plant produces a large number of antherozoids but relatively only a few egg cells. Why?
10. Mention the reasons for difference in ploidy of zygote and primary endosperm nucleus in an angiosperm.
11. How does an electrostatic precipitator work to remove particulate pollutants released from the thermal power plants?
12. Name the type of food chains responsible for the flow of larger fraction of energy in an aquatic and a terrestrial ecosystem respectively. Mention one difference between the two food chains.
13. How does a test-cross help in identifying the genotype of the organism? Explain.
14. Name the host and the site where the following occur in the life-cycle of a malarial parasite :
(a) Formation of gametocytes
(b) Fusion of gametocytes
15. Honey collection improves when beehives are kept in crop-fields during flowering season. Explain.
Please click the link below to download pdf file of CBSE Class 12 Biology Question Paper 2013 (1)
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CBSE Class 12 Biology Question Paper 2013 Set 01 & Previous Year Question Papers for Class 12 Biology
Previous Year Question Papers: Class 12 Biology
Access structured past examination sets for Class 12 Biology. Solving the CBSE Class 12 Biology Question Paper 2013 Set 01 provided above helps students understand actual exam difficulty levels, question formats, and topic distributions for both descriptive and objective sections.
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FAQs
The CBSE Class 12 Biology Question Paper 2013 Set 01 is available for download on StudiesToday.com. It includes complete set with all sections so that Class 12 students can practice with the exact same paper that came in the CBSE exams.
Yes, the solutions for CBSE Class 12 Biology Question Paper 2013 Set 01 are prepared by subject matter experts as per official marking scheme. Class 12 students will understand the structure of answers and 'step-marks' methodology Biology.
Solving previous year papers like CBSE Class 12 Biology Question Paper 2013 Set 01 is important to understand repeat themes and question difficulty levels of Biology. It helps Class 12 students to test their time management skills too.
Yes, where applicable, CBSE Class 12 Biology Question Paper 2013 Set 01 is available in both English and Hindi mediums. All students from Class 12 can access Biology study material in their preferred language.
No, all previous year question papers on StudiesToday, including CBSE Class 12 Biology Question Paper 2013 Set 01, are provided free of charge in mobile-friendly PDF.