Download CBSE Class 12 Bio Technology Question Papers
Explore authentic exam materials through the CBSE Class 12 Biotechnology Question Paper 2023 Solved. Tailored for Class 12 learners, utilizing these Bio Technology previous year papers ensures thorough preparation and strengthens time management skills before final CBSE evaluations.
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SECTION A
1. Blue-White selection technique of transformants is based on insertional inactivation of :
(a) Leu2 gene
(b) LacZ gene
(c) X-gal gene
(d) Tet-r gene
Answer : b
2. Microbial source of Hind III restriction enzyme is :
(a) Haemophilus aegyptius
(b) Haemophilus influenzae
(c) Haemophilus haemolyticus
(d) Haemophilus felis
Answer : b
3. Which of the following statement is not correct about DNA sequencing by Sanger Method ?
(a) Primers can only be extended using the single strand DNA as template.
(b) Four ddNTPs ddATP, ddUTP, ddCTP and ddGTP are needed.
(c) DNA polymerase enzyme is needed.
(d) ddNTPs are added to terminate chain (DNA) extending.
Answer : b
4. Charge relay system operating in chymotrypsin enzyme consists of following amino acids at positions 57, 102 and 195 respectively :
(a) his-asp-ser
(b) his-lys-ser
(c) his-lys-asp
(d) lys-his-ser
Answer : a
5. Number of predicted genes is 6340 and 70% part of the genome codes for protein in :
(a) Yeast
(b) Caenorhabditis worm
(c) Arabidopsis weed
(d) Bacterium E. coli
Answer : a
6. SCID disease is caused by absence of enzyme :
(a) Adenosine synthase
(b) Adenosine deaminase
(c) Adenosine phosphatase
(d) Adenosine aminase
Answer : b
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Practice Exam Question Papers for Class 12 Bio Technology CBSE Class 12 Biotechnology Question Paper 2023 Solved
Download CBSE Class 12 Biotechnology Question Paper 2023 Solved for Class 12 Bio Technology
Access structured past examination sets for Class 12 Bio Technology. Solving the CBSE Class 12 Biotechnology Question Paper 2023 Solved provided above helps students understand actual exam difficulty levels, question formats, and topic distributions for both descriptive and objective sections.
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FAQs
The CBSE Class 12 Biotechnology Question Paper 2023 Solved is available for download on StudiesToday.com. It includes complete set with all sections so that Class 12 students can practice with the exact same paper that came in the CBSE exams.
Yes, the solutions for CBSE Class 12 Biotechnology Question Paper 2023 Solved are prepared by subject matter experts as per official marking scheme. Class 12 students will understand the structure of answers and 'step-marks' methodology Bio Technology.
Solving previous year papers like CBSE Class 12 Biotechnology Question Paper 2023 Solved is important to understand repeat themes and question difficulty levels of Bio Technology. It helps Class 12 students to test their time management skills too.
Yes, where applicable, CBSE Class 12 Biotechnology Question Paper 2023 Solved is available in both English and Hindi mediums. All students from Class 12 can access Bio Technology study material in their preferred language.
No, all previous year question papers on StudiesToday, including CBSE Class 12 Biotechnology Question Paper 2023 Solved, are provided free of charge in mobile-friendly PDF.