CBSE Class 12 Biology Sample Paper 2013 Set 05

Sample Question Papers for Class 12 Biology

Access comprehensive sample question papers for Class 12 Biology using the CBSE Class 12 Biology Sample Paper 2013 Set 05. Designed to align with the 2026-27 CBSE academic guidelines, these model papers help students assess their exam readiness and understand current marking schemes.

Practice Class 12 Biology Exam Papers

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


Q.1. How can pollen grains of wheat and rice which tend to lose viability within 30 minutes of their release be made available months later for breeding programmes?

Q.2. Why are lichens regarded as pollution indicators?

Q.3. Name two STDs which can be transmitted through contaminated blood.

Q.4. Why are owners of motor vehicles equipped with catalytic convertors advised to use unleaded petrol? 

Q.5. What is secondary productivity?

Q.6. How are two short polypeptide chains of insulin linked together?

Q.7. A haemophilic son was born to normal parents. Give the genotypes of the parents.

Q.8. How is the presence of cyanobacteria in the paddy fields beneficial to rice crop?

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SECTION - B


Q.9. Why is it necessary to emasculate a bisexual flower in a plant breeding programme? Mention the condition under which emasculation is not necessary.

Q.10.How is ‘mutation’ explained by Hugo de Vries as different from the Darwinian variations?

Q.11.Explain the response initiated when a dose of vaccine is introduced into the human body.

Q.12.Name the natural source of agarose. Mention one role of agarose in biotechnology.

OR

List the three molecular diagnostic techniques that help to detect pathogens from suspected patients. Mention one advantage of these techniques over conventional methods.

Q.13.How does the human body maintain constant temperature both in summers and winters

 

Q.14.Explain the change fresh milk undergoes when a small amount of curd as starter is added to it and kept at suitable temperature. 
 
Q.15.List any four important components of Poultry Farm Management. 
 
Q.16.Enumerate, in sequential order, the four steps that a plant breeder should follow to obtain a disease-resistant crop.

 

Please click the link below to download full pdf file for CBSE Class 12 Biology Sample Paper 2013 Set E

Model Practice Papers & Solutions for Class 12 Biology

Access Sample Papers for Class 12 Biology

Review model practice papers for Class 12 Biology. Working through the CBSE Class 12 Biology Sample Paper 2013 Set 05 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 05

  • Exam Blueprint: Understand mark allocations and structural guidelines relevant to Class 12 evaluations.
  • Targeted Improvement: Identify weak areas in Class 12 Biology requiring focused revision.
  • Pacing & Precision: Practice mixed question formats to build execution speed and ensure timely paper completion.

Steps to Follow After Completing CBSE Class 12 Biology Sample Paper 2013 Set 05

  1. Review Solutions: Evaluate your completed papers using expert-verified guidance inside our solution sets.
  2. Target Weaknesses: Class 12 students should analyze missed questions to rectify conceptual misunderstandings.
  3. Deep Revision: Re-read sections in the NCERT book for Class 12 Biology to clear doubts before solving items again.

FAQs

Where can I download the PDF for CBSE Class 12 Biology Sample Paper 2013 Set 05?

You can download the complete PDF for CBSE Class 12 Biology Sample Paper 2013 Set 05 for free from StudiesToday.com. Our resources for Class 12 Biology are updated for the latest academic session and follow the official exam pattern.

Are solutions provided for CBSE Class 12 Biology Sample Paper 2013 Set 05?

Yes, CBSE Class 12 Biology Sample Paper 2013 Set 05 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 05 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.

Is the CBSE Class 12 Biology Sample Paper 2013 Set 05 accessible on mobile and tablets?

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 05 on your mobile device.