CBSE Class 12 Biology Question Paper 2015 with Answers (Reval) Outside Delhi Set 02

Class 12 Biology Solved Question Papers: CBSE Class 12 Biology Question Paper 2015 with Answers (Reval) Outside Delhi Set 02

Review targeted exam resources with the CBSE Class 12 Biology Question Paper 2015 with Answers (Reval) Outside Delhi Set 02. Built according to official CBSE standards for the 2026-27 academic year, these downloadable Class 12 Biology question papers support effective revision and performance tracking.

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Navigate directly to the solved Biology question papers using the digital viewer below. Each practice set includes detailed solutions, allowing students to instantly cross-check their work and identify areas requiring further revision.

CBSE Class 12 Biology Question Paper 2015 Outside Delhi Set 2 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. List two advantages of the use of unleaded petrol in automobiles as fuel.

2. Retroviruses have no DNA. However, the DNA of the infected host cell does possess viral DNA. How is it possible ?

3. Suggest any two possible treatments that can be given to a patient exhibiting adenosine deaminase deficiency.

4. What is a cistron ?

5. How many chromosomes do drones of honeybee possess ? Name the type of cell division involved in the production of sperms by them.

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 2 with Answers (Reval)

Past Exam Papers & Solutions for Class 12 Biology

Download CBSE Class 12 Biology Question Paper 2015 with Answers (Reval) Outside Delhi Set 02 for Class 12 Biology

Review authentic examination papers for Class 12 Biology. Working through the CBSE Class 12 Biology Question Paper 2015 with Answers (Reval) Outside Delhi Set 02 allows learners to decode recurring question trends and familiarize themselves with official CBSE evaluation standards.

Master Marking Schemes and Time Management

Practicing past question sets under timed home conditions helps refine pacing and time management skills, ensuring you complete your Biology examination comfortably within the official duration.

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Download digital copies of these papers for convenient offline revision anywhere. Cross-check your completed steps against our expert solution guides to ensure complete accuracy.

FAQs

Where can I download the official PDF for CBSE Class 12 Biology Question Paper 2015 with Answers (Reval) Outside Delhi Set 02?

The CBSE Class 12 Biology Question Paper 2015 with Answers (Reval) Outside Delhi Set 02 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.

Are the solutions for CBSE Class 12 Biology Question Paper 2015 with Answers (Reval) Outside Delhi Set 02 based on the official CBSE marking scheme?

Yes, the solutions for CBSE Class 12 Biology Question Paper 2015 with Answers (Reval) Outside Delhi Set 02 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.

How does solving CBSE Class 12 Biology Question Paper 2015 with Answers (Reval) Outside Delhi Set 02 help in preparing for the 2026 exams?

Solving previous year papers like CBSE Class 12 Biology Question Paper 2015 with Answers (Reval) Outside Delhi Set 02 is important to understand repeat themes and question difficulty levels of Biology. It helps Class 12 students to test their time management skills too.

Can I access CBSE Class 12 Biology Question Paper 2015 with Answers (Reval) Outside Delhi Set 02 in different languages?

Yes, where applicable, CBSE Class 12 Biology Question Paper 2015 with Answers (Reval) Outside Delhi Set 02 is available in both English and Hindi mediums. All students from Class 12 can access Biology study material in their preferred language.

Is there a charge to download the CBSE Class 12 Biology solved papers?

No, all previous year question papers on StudiesToday, including CBSE Class 12 Biology Question Paper 2015 with Answers (Reval) Outside Delhi Set 02, are provided free of charge in mobile-friendly PDF.