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- Question
Which is/are the naturally occurring plant auxins?
Options- A. Indole acetic acid (IAA)
- B. Naphthalenacetic acid (NAA)
- C. 2,4-dichlorophenoxyacetic acid
- D. All of the above
- Correct Answer
- Indole acetic acid (IAA)
- 1. 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
- 2. Which is/are the disadvantage/(s) of using IAA in plant cell culture media?
Options- A. It is unstable in solution
- B. Gets easily oxidized
- C. Conjugated to inactive form by plant cells
- D. All of the above Discuss
- 3. In plant cell culture media, auxins and cytokinins are used in the range of
Options- A. l-50?M
- B. 50-100?M
- C. 100-125?M
- D. more than 125?M Discuss
- 4. Nitrogen in the plant cell culture media is provided by either ammonia or nitrate salt. In the media
Options- A. utilization of ammonium cause culture pH to drop while utilization of nitrate cause culture pH to rise
- B. utilization of nitrate cause culture pH to drop while utilization of ammonium cause culture pH to rise
- C. utilization of both ammonium and nitrate result in rise in pH
- D. utilization of both ammonium and nitrate result in drop in pH Discuss
- 5. When an organism has a life cycle with alternation of generations, the haploid generation is the
Options- A. zygote
- B. gametophyte
- C. gamete
- D. sporophyte Discuss
- 6. Which of the following growth regulator is added for short initiation during plant regeneration from callus?
Options- A. Auxins
- B. Cytokinins
- C. Gibberellins
- D. Brassinosteroids Discuss
- 7. Neutralized activated charcoal is occasionally added to young regenerating cultures to
Options- A. remove toxic phenolics produced by the stressed plant cell
- B. help to remove plants growth regulators introduced at an earlier stage
- C. both (a) and (b)
- D. maintain the pH of the medium Discuss
- 8. Which of the following is not a cytokinin?
Options- A. 2,4-dichlorophenoxyacetic acid
- B. 6 benzylaminopurine
- C. Zeatin
- D. Kinetin Discuss
- 9. Which of the following growth regulator cause plant cells to grow?
Options- A. Auxins
- B. Cytokinins
- C. Gibberellins
- D. Brassinosteroids Discuss
- 10. Very high sugar concentration (40-100 g/l) have been used
Options- A. in specialized secondary metabolite production
- B. to adjust the osmotic potential of the media in short term treatment for regeneration
- C. Both (a) and (b)
- D. none of these Discuss
Media Required for Plant Cell Culture problems
Search Results
Correct Answer: N, P, K, S, Ca
Correct Answer: All of the above
Correct Answer: l-50?M
Correct Answer: utilization of ammonium cause culture pH to drop while utilization of nitrate cause culture pH to rise
Correct Answer: gametophyte
Correct Answer: Cytokinins
Correct Answer: both (a) and (b)
Correct Answer: 2,4-dichlorophenoxyacetic acid
Correct Answer: Auxins
Correct Answer: Both (a) and (b)
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