CBSE Class 12 Biotechnology Sample Paper 2017 Solved Set A

Bio Technology
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Read and download the CBSE Class 12 Biotechnology Sample Paper 2017 Solved 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

Section A
1. How is oxygen provided in fermentors?
2. Why is a pilot plant essential in microbial culture works?
3. As a biotechnologist, what would you suggest to a farmer for successful pollination or fertilization in plants.
4. Why do plant cells in culture require nutrient media for growth.
5. Why is splitting of animal cells essential?
6. Name the first drug to be produced by mammalian cell culture?

Section B
7. Which type of restriction enzymes are used in RDT and why?
8. Explain in brief any two types of non-covalent interactions found in proteins.
9. Which type of DNA library would you prefer for liver cells. Give proper explanation for making such a library.
10. How can you maximize protein stability during purification?Write any two parameters for the same.
11. Number of genes is not related to the complexity of an organism.Give reasons. 
12. Calculate the generation time of a bacterial population in which the number of bacteria increase from 104/ml to 107/ml during four hours of exponential growth.
13. Ti plasmid vector of Agrobacteriuntumefaciens is disarmed.Where is the gene of interest incorporated in Ti plasmid?
14. Why are serum and antibiotics essential as growth supplements for animal cells in culture?
 
Section C
15. How are pUC 19 vectors used for the selection of recombinants?
16. Yeast cells have been transformed with Yep vector containing our gene of interest. How would you select the recombinants over cells not containing the plasmid?
17. Describe the principle of MALDI technique. Write its two main uses in protein studies.
OR
What are the principles behind Iso electric focusing and SDS PAGE techniques? Why is 2D electrophoresis better than single dimension electrophoresis?
18. How is an extracellular protein purified from a fermentation medium? Illustrate the steps with a flowchart.
19. What are SNPs?Explain the relevance of studying these citing any two of their important applications.
20. Graphically differentiate between fed batch and continuous cultures. Which type of culture system is most suitable for obtaining maximum amount of cellular products?
21. How does the metagenomics approach help to identify novel genes present in the environment? Explain the process.
22. What are edible vaccines? How are they better than conventional vaccines?Give any two points.
23. What are somatic hybrids?How are they produced?3
24. Give a brief outline of the technique for production of monoclonal antibodies.Why are monoclonal antibodies preferred over serum antibodies in diagnostics and therapeutics?
25. How would you scale up kidney cells grown in culture?

Section D
26. Give reasons for the following:
a) BCAA enriched diet is recommended to atheletes before and after exercise.
b) Give the scientific relevance of usefulness of whey.
27. Why do ddNTPs cause chain termination during Sanger’s DNA sequencing method? Write the DNA fragments formed by chain termination for the given original DNA strand. 3’ ATGCTAGC 5’
OR
How would you detect a specific microbial contamination from a given water sample using PCR. Give a brief explanation of the process.
 
28. Explain how cDNA microarray technique can be used to study cellular response to the environment? Support your answer with a flowchart for the same.
OR
a) Which information can be retrieved from the following databases?
i) EMBL
ii) PDB
iii) PALI
b) Give two reasons for completely sequencing a genome.
 
 

Please click the link below to download CBSE Class 12 Biotechnology Sample Paper 2017 Solved Set A

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2017
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2012
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Important Practice Resources for Class 12 Bio Technology

How to download CBSE Class 12 Biotechnology Sample Paper 2017 Solved Set A in PDF?

Students can easily download the CBSE Class 12 Biotechnology Sample Paper 2017 Solved 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 2017 Solved 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 2017 Solved 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 CBSE Class 12 Biotechnology Sample Paper 2017 Solved Set A in Pdf

You can download CBSE Class 12 Biotechnology Sample Paper 2017 Solved Set A from StudiesToday.com

How can I improve my scores by solving CBSE Class 12 Biotechnology Sample Paper 2017 Solved Set A

Regular practice of sample question paper given on studiestoday for CBSE Class 12 Biotechnology Sample Paper 2017 Solved Set A can help you to score better marks in exams

Are there any websites that offer free CBSE Class 12 Biotechnology Sample Paper 2017 Solved Set A

Yes, studiestoday.com provides all latest CBSE Class 12 Bio Technology Sample Papers with answers based on the latest format issued for current academic session

Are mock CBSE Class 12 Biotechnology Sample Paper 2017 Solved Set A available in multiple languages

Yes, mock CBSE Class 12 Biotechnology Sample Paper 2017 Solved Set A are available in multiple languages, including English, Hindi