Genetic engineering MCQs

By: Prof. Dr. Fazal Rehman | Last updated: May 14, 2025

1. : ____bonds are used to sticky ends.
(A) Ionic
(B) Covalent
(C) Hydrogen
(D) None of these

2. : ____ staining is used in DNA staining.
(A) Feulgen
(B) Giemsa
(C) Crystal
(D) Both A and B

3. : First genetically modified mice introduced in ___ year.
(A) 1974
(B) 1954
(C) 1978
(D) 1991

4. : _____ is used in Chromosomal or genomic DNA.
(A) Centrifugation
(B) Dissolution
(C) Sedimentation
(D) Both A and B

5. : The end product of translation are
(A) Polypeptides
(B) Lipids
(C) Amino acids
(D) None of these

6. : ____ is used in Members of genera Haematococcus production.
(A) Carotenoid
(B) Xanthenoid
(C) Chlorophyll
(D) None of these

7. : Viruses consist of _____.
(A) RNA and protein coat
(B) DNA and protein coat
(C) Both A and B
(D) A nucleic acid and a protein

8. : How many techniques are used for screening of RNA?
(A) 2
(B) 5
(C) 1
(D) 8

9. : Small circle of DNA found outside the main chromosome is called ____
(A) Protein
(B) Plasmid
(C) Both A and B
(D) Episome

10. : ______ is the majorly Constitutive promoters
(A) Viral cells
(B) Mammalian cells
(C) Bacteria
(D) Fungi