CBSE Class 12 Biology Sample Paper 2014 Set 07

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Review targeted exam resources with the CBSE Class 12 Biology Sample Paper 2014 Set 07. 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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SECTION-A

1. Mention the unique flowering phenomenon exhibited by Strobilanthus kunthiana (neelakuranaji). 

2. How does smoking tobacco in human lead to oxygen deficiency in their body? 

3. A garden pea plant (A) produced inflated yellow pod, and another plant (B) of the same species produced constricted green pods. Identify the dominant traits. 

4. Why is Eichhornia crassipes nicknamed as "Terror of Bengal" ? 

5. Write the location and function of the sertoli cells in humans. 

6. Name the following: 

    (a) The semi-dwarf variety of wheat which is high-yielding and disease-resistant.

    (b) Any one inter-specific hybrid mammal.

7. Write the similarity between the wing of a butterfly and the wing of a bat. What do you infer from the above with reference to evolution? 

8. Write what do phytophagous insects feed on. 

 SECTION - B

9. Draw a neat labelled sketch of a replicating fork of DNA. 
 
10. Where is sporopollenin present in plants? State its significance with reference to its chemical nature. 
 
11. (a) Highlight the role of thymus as a lymphoid organ. 
(b) Name the cells that are released from the above mentioned gland. Mention how they help in immunity.
 
12. Explain the work carried out by Cohen and Boyer that contributed immensely in biotechnology. 
 
13. Why do clown fish and sea anemone pair up ? What is this relationship called? 
 
14. (a) State the difference between meiocyte and gamete with respect to chromosome number. 
(b) Why is a whiptail lizard referred to as parthenogenetic?
 
15. Name the plant source of the drug popularly called "smack". How does it affect the body of the abuser? 
 
OR
Why is Rhizobium categorized as a 'symbiotic bacterium' ? How does it act as a biofertiliser ?
 
16. (a) State the role of DNA ligase in biotechnology. 
(b) What happens when Meloidegyne incognitia consumes cells with RNAi gene?
 
17. Some organisms suspend their metabolic activities to survive in unfavourable conditions.
Explain with the help of any four examples.

 

Please refer to attached file for CBSE Class 12 Biology Sample Paper 2014 Set G

Free study material for Biology

Exam Preparation Sample Paper for Class 12 Biology CBSE Class 12 Biology Sample Paper 2014 Set 07

Class 12 Biology CBSE Class 12 Biology Sample Paper 2014 Set 07 PDF Download Guide

Review model practice papers for Class 12 Biology. Working through the CBSE Class 12 Biology Sample Paper 2014 Set 07 under simulated test conditions at home ensures complete familiarity with upcoming school evaluations.

Key Advantages of Solving CBSE Class 12 Biology Sample Paper 2014 Set 07

  • 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.

Steps to Follow After Completing CBSE Class 12 Biology Sample Paper 2014 Set 07

  1. Self-Evaluation: Score your answers using official guidance to track your academic progress.
  2. Mistake Correction: Class 12 pupils must re-solve questions answered incorrectly to master the correct method.
  3. Continuous Practice: Take additional Biology sample modules online to maximize preparedness for CBSE evaluations.

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Are solutions provided for CBSE Class 12 Biology Sample Paper 2014 Set 07?

Yes, CBSE Class 12 Biology Sample Paper 2014 Set 07 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 2014 Set 07 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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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 2014 Set 07 on your mobile device.