CBSE Class 12 Biology Sample Paper 2013 Set 01 Solved

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Class 12 Biology Solved Model Papers: CBSE Class 12 Biology Sample Paper 2013 Set 01 Solved

Review targeted exam resources with the CBSE Class 12 Biology Sample Paper 2013 Set 01 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.

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Access the complete sample paper PDF for Class 12 Biology below. Regular practice with these targeted mock exams builds familiarity with expected question patterns and chapter weightage to help secure higher marks.

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
 
12. Study the given portion of double stranded polyrudeotide chair carefully. Identity a, b, c and d.

CBSE Class 12 Biology Sample Paper 2013 (1) 1

13. Name the three molecular diagnostic techniques that help detect pathogens from suspected patients. Mention one advantage of these techniques over conventional methods.
 
14. How is a detritivore different from a decomposer? Give one example for each.
 
15. What is Ti plasmid? Name the organism where it is found. How does it help in genetic engineering?

 

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Model Practice Papers & Solutions for Class 12 Biology

Class 12 Biology CBSE Class 12 Biology Sample Paper 2013 Set 01 Solved PDF Download Guide

Review model practice papers for Class 12 Biology. Working through the CBSE Class 12 Biology Sample Paper 2013 Set 01 Solved under simulated test conditions at home ensures complete familiarity with upcoming school evaluations.

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  • Original Practice Material: Access unique questions for Biology designed to challenge your understanding.
  • Self-Assessment: Evaluate scores per set to pinpoint weak zones in Class 12 Biology.
  • Exam Completion Skills: Routine problem sets train you to manage test duration efficiently without stress.

Steps to Follow After Completing CBSE Class 12 Biology Sample Paper 2013 Set 01 Solved

  1. Verify Answers: Compare your responses against professional teacher solutions provided in the sample paper keys.
  2. Error Analysis: Class 12 learners must review incorrect answers carefully to understand underlying mistakes.
  3. Concept Reinforcement: Consult the official NCERT book for Class 12 Biology when stuck before re-attempting problems.

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Are solutions provided for CBSE Class 12 Biology Sample Paper 2013 Set 01 Solved?

Yes, CBSE Class 12 Biology Sample Paper 2013 Set 01 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.

How can practicing CBSE Class 12 Biology Sample Paper 2013 Set 01 Solved help in exam preparation?

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.

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