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- Question
MS medium, is found essential for initial morphogenesis of the immature embryos and to enhance callus development, when supplemented with
Options- A. GA3
- B. GA3 and coconut milk
- C. adenine
- D. adenine and kinetin
- Correct Answer
- GA3 and coconut milk
- 1. Recombinant vaccine for HBV was produced by cloning viral genes in
Options- A. plasmids
- B. cosmids
- C. autonomously replicating plasmid of yeast
- D. phagemids Discuss
- 2. Which method of plant propagation involves the use of girdling?
Options- A. Grafting
- B. Cuttings
- C. Layering
- D. Micropropagation Discuss
- 3. Which of the following gene detoxifies herbicide phosphinothricin?
Options- A. Nitrilase
- B. Glutathione S-transferase (GST)
- C. Phosphinothricin acetyl transferase
- D. All of these Discuss
- 4. Enzymes that recognize and cleave specific 4 to 8 base pair sequences of DNA are
Options- A. DNA ligase
- B. helicases
- C. restriction endonucleases
- D. DNA gyrase Discuss
- 5. Maximum insert size in case of adenovirus vectors is
Options- A. 6-8 kb
- B. 4-6 kb
- C. 10-12 kb
- D. 20 kb Discuss
- 6. Sake is
Options- A. rice beer or wine of India
- B. wheat beer or wine
- C. barley beer or wine
- D. rice beer or wine of Japan Discuss
- 7. What are the macronutrients used in plant cell culture medium?
Options- A. N, P, K, S, Na
- B. N, P, K, Ca, Cl
- C. N, P, K, S, Ca
- D. N, P, Ca, Na, Cl Discuss
- 8. TC cells are important in controlling
Options- A. virus infections
- B. allergy
- C. autoimmunity
- D. all of these Discuss
- 9. Antibiotics are typically produced in fed batch reactors because
Options- A. antibiotic yields are generally higher when cells enter the stationary phase
- B. the precursors are often toxic to the cells
- C. antibiotic yields are generally higher when cell growth slows
- D. All of the above Discuss
- 10. Vectors are
Options- A. molecules that degrade nucleic acids
- B. molecules that help in replication
- C. molecules that are able to covalently bond to and carry foreign DNA into cells
- D. molecules that protect host cells from invasion by foreign DNA Discuss
More questions
Correct Answer: autonomously replicating plasmid of yeast
Correct Answer: Layering
Correct Answer: Phosphinothricin acetyl transferase
Correct Answer: restriction endonucleases
Correct Answer: 6-8 kb
Correct Answer: rice beer or wine of Japan
Correct Answer: N, P, K, S, Ca
Correct Answer: all of these
Correct Answer: All of the above
Correct Answer: molecules that are able to covalently bond to and carry foreign DNA into cells
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