Official CBSE Practice Papers for Class 12 Biology
Review targeted exam resources with the CBSE Class 12 Biology Sample Paper 2013 Set 02 Solved. Built according to official CBSE standards for the 2026-27 academic year, these downloadable Class 12 Biology sample papers support effective revision and performance tracking.
Solved Model Papers for Biology
Navigate directly to the solved Biology model 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.
SECTION – A
1. The meiocyte of rice has 24 chromosomes how many chromosomes are present in its endosperm?
2. Why do certain genes tend to be inherited together in a cell at the time of cell division?
3. Why do blood pressure and heart rate increase after tobacco consumption?
4. What are sampling ports in a bio-reactor?
5. How do histones acquire positive charge?
6. Provide one sentence information about plasmid with respect to its
(a) Chemical nature
(b) Its duplication
7. Listed below are a few impurities in urban waste water. Select two colloidal impurities:- ammonia, silt, bacteria, calcium, faecal-matter.
8. Give reasons why measurement of bio-mass in terms of dry weight is more accurate than fresh weight.
SECTION – B
9. What are the endocrine functions of the placenta?
10. In a cross – between true breeding red flowered snap – dragon and white flowered snap dragon plant, the F2 phenotypic and genotypic ratio are same. Explain the result with the help of a cross.
11. Discovery of lobe-fins is considered very significant by evolutionary biologists. Explain
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Free study material for Biology
Exam Preparation Sample Paper for Class 12 Biology CBSE Class 12 Biology Sample Paper 2013 Set 02 Solved
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Review model practice papers for Class 12 Biology. Working through the CBSE Class 12 Biology Sample Paper 2013 Set 02 Solved under simulated test conditions at home ensures complete familiarity with upcoming school evaluations.
Key Advantages of Solving CBSE Class 12 Biology Sample Paper 2013 Set 02 Solved
- Curriculum Insights: Clarify chapter-wise weightage rules and question trends across Class 12.
- Gap Analysis: Check performance drops across sets to isolate specific Class 12 Biology topics needing extra attention.
- Time Efficiency: Working through objective and descriptive problems builds critical pacing to finish exams comfortably.
How to Analyze Your Performance in CBSE Class 12 Biology Sample Paper 2013 Set 02 Solved
- Verify Answers: Compare your responses against professional teacher solutions provided in the sample paper keys.
- Error Analysis: Class 12 learners must review incorrect answers carefully to understand underlying mistakes.
- Concept Reinforcement: Consult the official NCERT book for Class 12 Biology when stuck before re-attempting problems.
FAQs
You can download the complete PDF for CBSE Class 12 Biology Sample Paper 2013 Set 02 Solved for free from StudiesToday.com. Our resources for Class 12 Biology are updated for the latest academic session and follow the official exam pattern.
Yes, CBSE Class 12 Biology Sample Paper 2013 Set 02 Solved comes with detailed, teacher-verified solutions. We have provided step-by-step answers for Biology to help students of Class 12 understand correct methodology and marking scheme.
Practicing this Biology paper helps in time management and identifying important topics. For Class 12, solving mock papers is the best way to gain confidence and reduce exam-day anxiety.
Yes, all our study materials for Class 12 Biology are provided in a mobile-friendly PDF format. You can easily download CBSE Class 12 Biology Sample Paper 2013 Set 02 Solved on your mobile device.