CBSE Class 12 Biotechnology Boards 2021 Sample Paper Solved

Bio Technology
Download PDF

Here is the CBSE Class 12 Biotechnology Boards 2021 Sample Paper Solved for your practice. Download professional Class 12 Bio Technology sample papers featuring clear solutions, aligned with the 2026-27 syllabus standards of CBSE, NCERT, and KVS. Solving these mock sets lets students test their skills against current exam criteria.

Download Class 12 Bio Technology Sample Paper Solutions

Want to know which chapters carry high marks? Working through our Class 12 Bio Technology model papers helps you learn chapter weightage and expected test difficulty. Solving these guess papers enables Class 12 students to find weak spots and practice better time management. We also recommend checking our previous years' Class 12 Bio Technology Question Papers for extra practice.

Class 12 Bio Technology Sample Paper with Solutions

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.

Free study material for Bio Technology

CBSE Class 12 Biotechnology Boards 2021 Sample Paper Solved & Sample Question Papers for Class 12 Bio Technology

Class 12 Bio Technology CBSE Class 12 Biotechnology Boards 2021 Sample Paper Solved PDF Download Guide

Easily download the CBSE Class 12 Biotechnology Boards 2021 Sample Paper Solved online to strengthen your final preparations. Mastering the official paper structure is vital for Class 12 students seeking higher marks. We recommend solving these updated Bio Technology sample papers to practice anticipated question formats. Download the PDF format for flexible offline drills, ensuring you practice under true test conditions.

Why should you solve CBSE Class 12 Biotechnology Boards 2021 Sample Paper Solved?

  • Original Question Sets: Provides diverse practice questions for Bio Technology to expand your problem-solving range.
  • Exam Structure Mastery: Understand exact mark allocations and question architectures relevant to Class 12 evaluations.
  • Gap Analysis: Check your accuracy levels to identify challenging Class 12 Bio Technology concepts requiring deeper review.
  • Exam Completion Skills: Routine problem sets for Class 12 Bio Technology train you to manage test duration efficiently without stress.

Maximizing Results After Solving CBSE Class 12 Biotechnology Boards 2021 Sample Paper Solved

  1. Solution Matching: Cross-check your steps with expert answers published in our Bio Technology Sample Paper PDF.
  2. Mistake Correction: Class 12 participants need to isolate error patterns to prevent repeating them in future tests.
  3. Deep Revision: Re-read sections in the NCERT book for Class 12 Bio Technology to clear doubts before solving items again.
  4. Extended Preparation: Practice diverse sets of Bio Technology sample materials online to face CBSE exams fearlessly.

FAQs

Where can I download the PDF for CBSE Class 12 Biotechnology Boards 2021 Sample Paper Solved?

You can download the complete PDF for CBSE Class 12 Biotechnology Boards 2021 Sample Paper Solved 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 Boards 2021 Sample Paper Solved?

Yes, CBSE Class 12 Biotechnology Boards 2021 Sample Paper Solved 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 Boards 2021 Sample Paper Solved 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 Boards 2021 Sample Paper Solved 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 Boards 2021 Sample Paper Solved on your mobile device.