Official CBSE Exam Papers for Class 12 Biology
Access comprehensive previous year question papers for Class 12 Biology using the CBSE Class 12 Biology Question Paper 2015 with Answers (Reval) Outside Delhi 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.
Solved Previous Year Papers for Biology
View or download the dedicated CBSE Class 12 Biology Question Paper 2015 with Answers (Reval) Outside Delhi Set 01 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 2015 Outside Delhi Set 1 with Answers (Reval). 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. How many chromosomes do drones of honeybee possess ? Name the type of cell division involved in the production of sperms by them.
2. What is a cistron ?
3. Retroviruses have no DNA. However, the DNA of the infected host cell does possess viral DNA. How is it possible ?
4. List two advantages of the use of unleaded petrol in automobiles as fuel.
5. Suggest any two possible treatments that can be given to a patient exhibiting adenosine deaminase deficiency.
SECTION B
6. Select two pairs from the following which exhibit divergent evolution.
Give reasons for your answer.
(i) Forelimbs of cheetah and mammals
(ii) Flippers of dolphins and penguins
(iii) Wings of butterflies and birds
(iv) Forelimbs of whales and mammals
7. A liverwort plant is unable to complete its life-cycle in a dry environment. State two reasons.
Please click the link below to download pdf file of CBSE Class 12 Biology Question Paper 2015 Outside Delhi Set 1 with Answers (Reval)
Free study material for Biology
Download CBSE Question Papers: Class 12 Biology
Download CBSE Class 12 Biology Question Paper 2015 with Answers (Reval) Outside Delhi Set 01 for Class 12 Biology
Explore downloadable past papers for Class 12 Biology. Utilizing the CBSE Class 12 Biology Question Paper 2015 with Answers (Reval) Outside Delhi Set 01 ensures complete preparedness by offering clear insights into historical question styles and marking expectations.
Master Marking Schemes and Time Management
Regular simulation of exam environments using past question documents builds crucial pacing abilities and eliminates last-minute test anxiety during Class 12 Biology assessments.
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FAQs
The CBSE Class 12 Biology Question Paper 2015 with Answers (Reval) Outside Delhi 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 2015 with Answers (Reval) Outside Delhi 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 2015 with Answers (Reval) Outside Delhi 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 2015 with Answers (Reval) Outside Delhi 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 2015 with Answers (Reval) Outside Delhi Set 01, are provided free of charge in mobile-friendly PDF.