Class 12 Biology Solved Question Papers: CBSE Class 12 Biology Question Paper 2009 Set 03
Explore authentic exam materials through the CBSE Class 12 Biology Question Paper 2009 Set 03. Tailored for Class 12 learners, utilizing these Biology previous year papers ensures thorough preparation and strengthens time management skills before final CBSE evaluations.
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View or download the dedicated CBSE Class 12 Biology Question Paper 2009 Set 03 resource below. Engaging with these previous year papers under timed conditions ensures continuous academic progress and mastery of the 2026-27 exam format.
CBSE Class 12 Biology Question Paper 2009 (3). 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.
Q1. The microscopic pollen grains of the past are obtained as fossils. Mention the characteristic of the pollen grains that makes it happen.
Q2.
Name the unlabelled areas ‘a’ and ‘b’ of the pie chart (given above) representing the global
biodiversity of invertebrates shoeing their proportionate number of species of major taxa.
Q3. Some allergens trigger sneezing and wheezing in human beings.What causes this type of response by the body?
Q4. Name the group of organisms and the substrate they act on to produce biogas.
Q5. Are the thorn of Bougainvillea and tendril of Cucurbita homologous or analogous?What type of evolution has brought such a similarity in them?
Q6. Mention the two additional processing which hnRNA needs to undergo after splicing so as to become functional.
Q7. Mention the pollinating agent of an inflorescence of small dull coloured flowers with well exposed stamens and large feathery stigma.Give any one characteristic of pollen grains produced by such flowers.
Q8. Which of the following is a free living bacteria that can fix nitrogen in the soil?Spirulina, Azospirillum, Somalia.
Q9. Name the muscular and the glandular layers of human uterus. Which one of these layers undergoes cyclic changes during menstrual cycle? Name the hormone essential for the maintenance of this layer.
OR
Name the hormonal composition of the oral contraceptive used by human females. Explain how does it act as contraceptive.
Q10. Explain accelerated eutrophication. Mention any two consequences of this phenomenon.
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CBSE Class 12 Biology Question Paper 2009 Set 03 & 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 2009 Set 03 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 2009 Set 03 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 2009 Set 03 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 2009 Set 03 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 2009 Set 03 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 2009 Set 03, are provided free of charge in mobile-friendly PDF.