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- Question
The cell membrane is made up of
Options- A. lipoproteins
- B. cellulose
- C. phospholipids
- D. phosphoproteins
- Correct Answer
- lipoproteins
- 1. A plasmid can be considered as a suitable cloning vector if
Options- A. it can be readily isolated from the cells
- B. it possesses a single restriction site for one or more restriction enzymes
- C. insertion of foreign DNA does not alter its replication properties
- D. All of the above Discuss
- 2. Streptomycin is produced by
Options- A. S. griseus
- B. S. griseoflavus
- C. S. aerofaciens
- D. S. ramosus Discuss
- 3. Auxanometer is used for measuring
Options- A. respiratory activity
- B. photosynthetic activity
- C. growth activity
- D. osmotic pressure Discuss
- 4. An animal, that has gained new genetic information from the acquisition of foreign DNA, is considered as
Options- A. a chimera
- B. a transgenic animal
- C. a vector
- D. an enzyme that links DNA molecules Discuss
- 5. Difference between ? gt 10 and ? gt 11 vectors is that
Options- A. ? gt 11 is an expression vector
- B. ? gt 10 is an expression vector
- C. ? gt 10 is a replacement vector
- D. ? gt 11 is a replacement vector Discuss
- 6. The major source of sugar in the world is
Options- A. watermelon
- B. beetroot
- C. sugarcane
- D. dates Discuss
- 7. Which of the following is not a cytokinin?
Options- A. 2,4-dichlorophenoxyacetic acid
- B. 6 benzylaminopurine
- C. Zeatin
- D. Kinetin Discuss
- 8. Which of the following compounds has been produced in transgenic plants to improve tolerance to salt stress and water deficit?
Options- A. Sucrose
- B. Mannitol
- C. Nicotine
- D. Octopine Discuss
- 9. The piece of equipment, that introduces DNA into cells via DNA-coated microprojectiles is known as
Options- A. laser
- B. DNA probe
- C. gene gun
- D. inoculating needle Discuss
- 10. Which of the following is considered as the disadvantage of conventional plant tissue culture for clonal propagation?
Options- A. Multiplication of sexually derived sterile hybrids
- B. Less multiplication of disease free plants
- C. Storage and transportation of propogates
- D. Both (b) and (c) Discuss
More questions
Correct Answer: All of the above
Correct Answer: S. griseus
Correct Answer: growth activity
Correct Answer: a transgenic animal
Correct Answer: ? gt 11 is an expression vector
Correct Answer: sugarcane
Correct Answer: 2,4-dichlorophenoxyacetic acid
Correct Answer: Mannitol
Correct Answer: gene gun
Correct Answer: Storage and transportation of propogates
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