CSIR NET Life Science Unit 13 MCQs with Answers

Here below are 15 core Advances in Biotechnology topics across five parts. Choose Easy, Medium or Difficult for each topic to practise 15 questions per level. Answers show the correct option and explanation immediately.

Part 1: Topics 1–3

1. Recombinant DNA Technology

15 questions per difficulty level · Select a level

2. PCR and Molecular Diagnostics

15 questions per difficulty level · Select a level

3. CRISPR and Genome Editing

15 questions per difficulty level · Select a level

Part 2: Topics 4–6

4. Gene Delivery and Expression

15 questions per difficulty level · Select a level

5. Synthetic Biology

15 questions per difficulty level · Select a level

6. Stem Cells and Regenerative Medicine

15 questions per difficulty level · Select a level

Part 3: Topics 7–9

7. Gene Therapy

15 questions per difficulty level · Select a level

8. Monoclonal Antibodies and Biologics

15 questions per difficulty level · Select a level

9. Vaccines and Immunotechnology

15 questions per difficulty level · Select a level

Part 4: Topics 10–12

10. Genomics and Functional Genomics

15 questions per difficulty level · Select a level

11. Proteomics and Metabolomics

15 questions per difficulty level · Select a level

12. Single-Cell and Spatial Technologies

15 questions per difficulty level · Select a level

Part 5: Topics 13–15

13. Agricultural Biotechnology

15 questions per difficulty level · Select a level

14. Industrial and Environmental Biotechnology

15 questions per difficulty level · Select a level

15. Biosafety Ethics and Regulation

15 questions per difficulty level · Select a level

Frequently Asked Questions

How does CRISPR–Cas9 recognize a DNA target?

A guide RNA pairs with complementary target DNA adjacent to a compatible PAM sequence.

What is the difference between gene editing and transgene insertion?

Gene editing changes a genomic sequence at a targeted site; transgene insertion introduces an additional DNA sequence.

Why are monoclonal antibodies useful in biotechnology?

They recognize defined molecular targets and can be developed for diagnostic, research or therapeutic applications.

What is the purpose of a selectable marker in genetic engineering?

It helps identify cells that have acquired a desired genetic construct or modification.

How do viral vectors help deliver genetic material?

Engineered viral particles can transfer nucleic acid cargo into target cells, subject to vector-specific limitations.

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