CBSE Class 12 Biotechnology Boards 2021 Sample Paper Solved

Bio Technology
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Read and download PDF of CBSE Class 12 Biotechnology Boards 2021 Sample Paper Solved designed as per the latest curriculum and examination pattern for Class 12 issued by CBSE, NCERT and KVS. The latest Class 12 Bio Technology Sample Papers have been provided with solutions so that the students can solve these practice papers and then compare their answers. This will help them to identify mistakes and improvement areas in Bio Technology Class 12 which they need to study more to get better marks in Class 12 exams. After solving these guess papers also refer to solved Class 12 Bio Technology Question Papers available on our website to build strong understanding of the subject

Sample Paper for Class 12 Bio Technology Pdf

Students can refer to the below Class 12 Bio Technology Sample Paper designed to help students understand the pattern of questions that will be asked in Class 12 exams. Please download CBSE Class 12 Biotechnology Boards 2021 Sample Paper Solved

Bio Technology Class 12 Sample Paper

SECTION A
 
1. What is a shuttle vector? 
 
2. Name the amino acids involved in the catalytic triad that regulates charge -relay system in the enzyme Chymotrypsin?
 
3. Specify one advantage of developing vectors based on M13. 
 
4. On which chromosome in humans, is the genetic defect for the Huntington disease located?
 
5. Name the red algae from which agar is obtained.
 
6. What is RFLP? 
 
7. What are nutraceutical proteins? 
 
8. What is the disadvantage of using primary animal culture as compared to secondary culture?
 
9. Counting genes and predicting their presence have proved to be laden with inaccuracies. Give reasons.
 
10. Which technique is used to confirm the detection of Sickle cell anaemia? Who developed this technique?
 
11. (i) Assertion – Native enzyme subtilisin is easily inactivated by bleach
Reason- Site directed mutagenesis at codon position 222 to replace methionine with alanine is found best in terms of activity and stability.
 
(a) Both Assertion and Reason are true and the reason is the correct explanation of the assertion
 
(b) Both Assertion and Reason are true but the reason is not the correct explanation of the assertion
 
(c) Assertion is true but Reason is false
 
(d) Both Assertion and Reason are false
OR
(ii) Assertion- OKT-3 is used to prevent graft rejection following kidney transplantation
 
Reason- OKT-3 blocks immune cells which attack foreign grafts.
 
(a) Both Assertion and Reason are true, and the reason is the correct explanation of the assertion
 
(b) Both Assertion and Reason are true, but the reason is not the correct explanation of the assertion
 
(c) Assertion is true but Reason is false
 
(d) Both Assertion and Reason are false
 
12. Composition of minerals like calcium and phosphorus in mg/ml is highest in-
 
(a) Cow milk
 
(b) Buffalo milk
 
(c) Human milk
 
(d) Goat milk
 
13. RefSeq is a curated database of:
 
(a) mRNA and proteins
 
(b) DNA and proteins
 
(c) DNA and m RNA
 
(d) DNA and t RNA
 
14. During isolation of streptomycin, clear broth is-
 
(a) discarded
 
(b) subjected to liquid-liquid extraction chromatography
 
(c) subjected to ultra filtration
 
(d) subjected to solubilization of proteins
 
Please click on below link to download CBSE Class 12 Biotechnology Boards 2021 Sample Paper Solved.
2025
CBSE Class 12 Biotechnology Sample Paper 2025 Solved
2023
CBSE Class 12 Biotechnology Sample Paper 2023
2021
CBSE Class 12 Biotechnology Boards 2021 Sample Paper Solved
2020
CBSE Class 12 Biotechnology Boards 2020 Sample Paper Solved
2019
CBSE Class 12 Biotechnology Sample Paper 2019 Solved
2017
CBSE Class 12 Biotechnology Sample Paper 2017 Set B
CBSE Class 12 Biotechnology Sample Paper 2017 Solved Set A
2015
CBSE Class 12 Biotechnology Sample Paper 2015 Set A
2012
CBSE Class 12 Biotechnology Sample Paper 2012 Set A
CBSE Class 12 Biotechnology Sample Paper 2012 Set B
2011
CBSE Class 12 Biotechnology Sample Paper 2011 Set A
CBSE Class 12 Biotechnology Sample Paper 2011 Set B
2008
CBSE Class 12 Biotechnology Sample Paper 2008 Set A
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CBSE Class 12 Biotechnology Sample Paper Set B with Answers
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CBSE Class 12 Biotechnology Boards 2021 Sample Paper Solved

We hope you liked the above provided CBSE Class 12 Biotechnology Boards 2021 Sample Paper Solved. To get an understanding of the type of questions which were asked in exams, it is important for Class 12 students to understand the way sample Paper are set by teachers. Students can download the Sample Paper for Class 12 Bio Technology which will be coming in the exams so that you can practise them and solve all types of questions that can be asked in exams. By doing CBSE Class 12 Biotechnology Boards 2021 Sample Paper Solved you will understand the regular questions and MCQ questions for Class 12 Bio Technology which are always asked. You can download CBSE Class 12 Bio Technology Sample Paper and Class 12 Bio Technology Question Papers in PDF. You should attempt all the last year question paper for Class 12 and Class 12 Bio Technology MCQ Test in examination conditions at home and then compare their answers with the solutions provided by our teachers.

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