CBSE Class 12 Biotechnology Boards 2020 Sample Paper Solved

Bio Technology
Download PDF

Download CBSE Class 12 Bio Technology Sample Papers

Explore authentic exam practice materials through the CBSE Class 12 Biotechnology Boards 2020 Sample Paper Solved. Tailored for Class 12 learners, utilizing these Bio Technology sample papers ensures thorough preparation and strengthens time management skills before final CBSE evaluations.

Access CBSE Sample Papers and Solutions

Access the complete sample paper PDF for Class 12 Bio Technology below. Regular practice with these targeted mock exams builds familiarity with expected question patterns and chapter weightage to help secure higher marks.

CBSE Class 12 Biotechnology Boards 2020 Sample Paper Solved. CBSE has recently released the class 12 sample papers for subject Biotechnology. These suggested sample papers are released every year by CBSE ahead of the class 12 board exams so that the students can understand the pattern of question paper and type of questions which is expected to come in the Class 12 board exams. Students can refer to the attached question paper along with marking scheme to understand what they can expect in the board exams in 2020. Its always better to solve the question paper first and then refer to provided answers.

SECTION A

1 Name any two scientists involved in designing the first recombinant DNA molecule.
 
2 Write any two properties which can be improved through protein engineering
 
3 Transgenic plants have been developed to survive in saline habitat. Which technique might have been used to develop such plants?
 
4 Which vector was used in the first cloning experiment involving mammalian cell?

OR
How does a modification enzyme protect its own DNA from digestion?
 
5 What was the strategy behind Human Genome Project?
 
6. 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 be the reason behind it?

OR
CBSE Class 12 Biotechnology Boards 2020 Sample Paper Solved

 
7. Margaret Dayhoff observed that protein sequences undergo variation according to certain patterns. Write any one such pattern.
OR
What is the underlying principle of “Molecular evolution”?
 
8. Crystallisation is not required due to the advent of which of the following new technique.
a) X-ray crystallography
b) NMR
c) Sanger’s method of protein sequencing
d) Edman’s method of protein sequencing
 
9. Optimum pH for plant tissue culture medium isa)
7.5
c) 8
b) 5.7
d) 8.5
 
10. The single letter codes for Tyrosine and Asparagine are
a) N and Y
b) A and T
c) T and A
d) Y and N
 
11. The disease due to the deficiency of an enzyme Adenosine Deaminase (ADA) is
a) SCID
b) Thallasemia
c) Haemophilia
d) Mad cow disease
 
 
 

Please refer to link below to download CBSE Class 12 Biotechnology Boards 2020 Sample Paper Solved

Free study material for Bio Technology

CBSE Class 12 Biotechnology Boards 2020 Sample Paper Solved & Sample Question Papers for Class 12 Bio Technology

Download Sample Paper: CBSE Class 12 Biotechnology Boards 2020 Sample Paper Solved (Class 12 Bio Technology)

Review model practice papers for Class 12 Bio Technology. Working through the CBSE Class 12 Biotechnology Boards 2020 Sample Paper Solved under simulated test conditions at home ensures complete familiarity with upcoming school evaluations.

Maximize Your Scores with Model Papers

  • Exam Blueprint: Understand mark allocations and structural guidelines relevant to Class 12 evaluations.
  • Targeted Improvement: Identify weak areas in Class 12 Bio Technology 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 Biotechnology Boards 2020 Sample Paper Solved

  1. Verify Answers: Compare your responses against professional teacher solutions provided in the sample paper keys.
  2. Error Analysis: Class 12 learners must review incorrect answers carefully to understand underlying mistakes.
  3. Concept Reinforcement: Consult the official NCERT book for Class 12 Bio Technology when stuck before re-attempting problems.

FAQs

Where can I download the PDF for CBSE Class 12 Biotechnology Boards 2020 Sample Paper Solved?

You can download the complete PDF for CBSE Class 12 Biotechnology Boards 2020 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 2020 Sample Paper Solved?

Yes, CBSE Class 12 Biotechnology Boards 2020 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 2020 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 2020 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 2020 Sample Paper Solved on your mobile device.