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- Question
For developing herbicide resistance in transgenic plants which of the following approach/(es) is/are used?
Options- A. Target molecule is made insensitive to herbicide
- B. Target protein is overproduced
- C. A pathway should be introduced that detoxify the herbicide
- D. All of the above
- Correct Answer
- All of the above
- 1. Which cell-based technology endows a cell with increased ability to harness energy?
Options- A. Chlybridization
- B. Cybridization
- C. Mibridization
- D. Protoplast fusion Discuss
- 2. Transplastomics
Options- A. targets genes in the chloroplast
- B. provides exceptionally low yields of protein products
- C. produces genes that are released in pollen
- D. offers little opportunity for practical use Discuss
- 3. A naturally occurring variant, possessing characteristics of interest, is identified. This plant is selectively bred. This is an example of
Options- A. traditional plant breeding
- B. transgenic technology
- C. mutant selection
- D. none of these Discuss
- 4. Bruise resistant tomatoes have been developed by the expression of antisense RNA against
Options- A. glycerol 1 phosphate acyl transferase
- B. polygalactouranase
- C. ACC deaminase
- D. Sucrose phosphate synthase gene Discuss
- 5. In transgenic plants that have been manipulated to express patho-genesis-related (PR) proteins all the time it has been shown that
Options- A. these provide no protection at all against pathogens
- B. expression of one PR protein provides high levels of protection against many pathogens
- C. expression of two PR proteins provides some protection against a few pathogens
- D. these proteins trigger the production of other antimicrobial defenses Discuss
- 6. A __________ is a small laboratory set up to simulate conditions of a particular environment.
Options- A. microcosm
- B. mibridization
- C. bioremediation
- D. rhizosecretion Discuss
- 7. Resistance to L-phosphinothrium in tobacco plants is developed by the transfer of
Options- A. gene for EPSPS (5-enol-pyruvyl shikimat 3 phosphate synthase)
- B. gene for ALS (acetolactate synthase)
- C. gene for GS (glutamine synthase)
- D. any of the above Discuss
- 8. Which of the following gene detoxify herbicide bronoxynil?
Options- A. Nitrilase
- B. Glutathione S-transferase (GST)
- C. Phosphinothricin acetyl transferase
- D. All of these Discuss
- 9. Which of the following is not true about synthetic seeds?
Options- A. Can be stored for a year without the loss of valuables
- B. Easy to handle
- C. Can be directly sown in the soil like natural seeds
- D. Need hardening in the green house Discuss
- 10. Recalcitrant seeds are
Options- A. resistant to drying and freezing temperature
- B. killed by drying and freezing temperature
- C. both (a) and (b)
- D. none of above Discuss
Transgenic Plant problems
Search Results
Correct Answer: Chlybridization
Correct Answer: targets genes in the chloroplast
Correct Answer: traditional plant breeding
Correct Answer: polygalactouranase
Correct Answer: these proteins trigger the production of other antimicrobial defenses
Correct Answer: microcosm
Correct Answer: gene for GS (glutamine synthase)
Correct Answer: Nitrilase
Correct Answer: Need hardening in the green house
Correct Answer: killed by drying and freezing temperature
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