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- Question
Which of the following is not a cytokinin?
Options- A. 2,4-dichlorophenoxyacetic acid
- B. 6 benzylaminopurine
- C. Zeatin
- D. Kinetin
- Correct Answer
- 2,4-dichlorophenoxyacetic acid
- 1. 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
- 2. 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
- 3. 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 Discuss
- 4. 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
- 5. 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
- 6. Which of the following growth regulator cause plant cells to grow?
Options- A. Auxins
- B. Cytokinins
- C. Gibberellins
- D. Brassinosteroids Discuss
- 7. 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
- 8. What is 'nurse' or conditioned medium?
Options- A. It is the media full of growth factors used for the growth of cells
- B. It is the medium added to nurse the callus culture
- C. Both (a) and (b)
- D. It is the liquid medium removed from the suspension of fast growing cells Discuss
- 9. Silver thiosulphate is added to culture medium as it helps to
Options- A. maintain the pH
- B. remove toxic phenolics from plant cells
- C. prevent the gaseous plant hormone, ethylene dioxide from accumulating to detrimental condition.
- D. all of the above Discuss
- 10. Which of the following growth regulator promote cell division?
Options- A. Auxins
- B. Cytokinins
- C. Gibberellins
- D. Brassinosteroids Discuss
Media Required for Plant Cell Culture problems
Search Results
Correct Answer: both (a) and (b)
Correct Answer: Cytokinins
Correct Answer: Indole acetic acid (IAA)
Correct Answer: N, P, K, S, Ca
Correct Answer: All of the above
Correct Answer: Auxins
Correct Answer: Both (a) and (b)
Correct Answer: It is the liquid medium removed from the suspension of fast growing cells
Correct Answer: prevent the gaseous plant hormone, ethylene dioxide from accumulating to detrimental condition.
Correct Answer: Cytokinins
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