CBSE Class 12 Biotechnology Sample Paper 2011 Set A

Read and download the CBSE Class 12 Biotechnology Sample Paper 2011 Set A, designed by expert teachers according to the latest 2025-26 curriculum and examination pattern issued by CBSE, NCERT, and KVS. These Class 12 Bio Technology sample papers include detailed step-by-step solutions, helping students to practice and evaluate their performance against the most recent marking schemes.

Solved Sample Paper for Class 12 Bio Technology PDF

Our Class 12 Bio Technology model papers are important for understanding the weightage of different chapters and the difficulty level of expected questions. By solving these guess papers Class 12 students can identify weak areas and improve time management. We also suggest referring to our Class 12 Bio Technology Question Papers of previous years to further strengthen your exam preparation.

Class 12 Bio Technology Sample Paper with Solutions

1. Farmers growing cotton find that bollworm is devouring their crop. Suggest a possible way by which genetic engineering can provide a solution to this problem. 

2. A microbiologist involved in an antibiotic discovery programmer has isolated some bacteria from hot springs in the Himalayas. However attempts of growing these bacteria under regular laboratory conditions have failed. What suggestion can you give him? 

3. An enriched medium containing salts, glucose, proteins and vitamins was made and a commercially available animal cell line was introduced. However the cells began dying. What could have been the mistake? 

4. In micro-propagation, axillary meristems are used as the source for raising virus free plants, why? 

5. A given microbial species grows rapidly. Which will be higher, its specific growth rate μ or doubling time 't' ? 

6. What is the role of Factor VIII? Why are animal cell lines required to produce it ? 
 
7. Differentiate between homologous and paralogous genes. 
 
8. Write the principle of Southern hybridization. 
 
9. 'Whey', in ancient times, was recommended for its therapeutic role. Why? 
 
10. Indicate two important properties of animal cell cultures. 
 
11. What are haploids and triploids ? What are their uses in plant cell culture? 
 
12. Indicate the use of the following in microbial cell culture (a) liquid nitrogen (b) agar
( c) nitrosoguanidine (d) glycerol 
 
13. Expand SNPs and describe their one application. 
 
14. Give the principle of the blue-white screening method in rDNA technology. 
 
15. In the enzyme chymotrypsin, why does Ser195 develop a negative charge on its - OH group. 
 
16. Why is Agrobacterium tumefaciens referred to as a 'natural genetic engineer' ?
How does this bacterium achieve this feat? 
 
17. After growth in fermentor, downstream processing involves a number of techniques.
Explain the principles behind (a) centrifugation (b) ultrafiltration. What is the rational behind minimizing steps involved in downstream processing? 
 
18. What do you understand by the term "genomics" ? Differentiate between structural and functional genomics. 
 
19. In an experiment involving cloning of a genomic DNA fragment into a vector: 
(a) Suggest a vector to clone this fragment, if its size is approx 300 kb.
(b) Suggest a cloning strategy if the DNA has very uncommon restriction enzyme sites at its ends.


Please click the link below to download full pdf file for CBSE Class 12 Biotechnology Sample Paper 2011 Set A

How to download CBSE Class 12 Biotechnology Sample Paper 2011 Set A in PDF?

Students can easily download the CBSE Class 12 Biotechnology Sample Paper 2011 Set A from our website to prepare for their upcoming examinations. To score high marks, it is important for Class 12 students to understand the exaact pattern as per which teachers design the question papers. We strongly suggest that you practice these latest sample papers for Bio Technology and solve different types of questions that are expected to come this year. You can downloadin PDF format so that you can practice offline. We also recommend that Class 12 students solve these papers actual exam conditions at home.

Why should you solve CBSE Class 12 Biotechnology Sample Paper 2011 Set A?

Practicing these model papers has several benefits for Class 12 students:

  • New Question Bank: This set has fresh questions for Bio Technology which are different from previous years.
  • Exam Pattern Knowledge: Solving more sets will help you to understand the weightage of each chapter in Class 12 and also the type of questions asked.
  • Identify Weak Areas: Comparing your score in each set to find out topics in Class 12 Bio Technology for which you need hard work.
  • Speed and Accuracy: Attempting MCQ questions and long-form problems for Class 12 Bio Technology makes you faster and better and you will be able to finish your exam on time.

What should you do after solving CBSE Class 12 Biotechnology Sample Paper 2011 Set A?

  1. Check Your Work: Match your answers with the solutions given by our teachers in the Bio Technology Sample Paper PDF.
  2. Learn from Mistakes: Class 12 students should focus on the questions which you solved incorrectly and understand the error.
  3. Revision: If you find a question difficult you shoul refer to NCERT book for Class 12 Bio Technology to understand concepts and then try the question again.
  4. Continuous Practice: Solve multiple sets of Bio Technology sample papers from studiestoday.com to build confidence before the CBSE exams.
Where can I download the PDF for CBSE Class 12 Biotechnology Sample Paper 2011 Set A?

You can download the complete PDF for CBSE Class 12 Biotechnology Sample Paper 2011 Set A for free from StudiesToday.com. Our resources for Class 12 Bio Technology are updated for the latest academic session and follow the official exam pattern.

Are solutions provided for CBSE Class 12 Biotechnology Sample Paper 2011 Set A?

Yes, CBSE Class 12 Biotechnology Sample Paper 2011 Set A comes with detailed, teacher-verified solutions. We have provided step-by-step answers for Bio Technology to help students of Class 12 understand correct methodology and marking scheme.

How can practicing CBSE Class 12 Biotechnology Sample Paper 2011 Set A help in exam preparation?

Practicing this Bio Technology 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 Biotechnology Sample Paper 2011 Set A accessible on mobile and tablets?

Yes, all our study materials for Class 12 Bio Technology are provided in a mobile-friendly PDF format. You can easily download CBSE Class 12 Biotechnology Sample Paper 2011 Set A on your mobile device.