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One set of a plant was grown at 12 hours...

One set of a plant was grown at 12 hours day and 12 hours night period cycle and it flowered while in the other set night period cycles and it flowered while in the other set night phase was interrupted by flash of ligth and did not produce flower. Under which one of the following categories will you place this plant

A

Day neutral

B

Short day

C

Long day

D

Darkness neutral

Text Solution

Verified by Experts

The correct Answer is:
B
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MODERN PUBLICATION-PLANT GROWTH AND DEVELOPMENT-COMPETITION FILE ( OBJECTIVE TYPE QUESTIONS (G.ADDITIONAL MULTIPLE CHOICE QUESTIONS: (Choose the correct answer )))
  1. Cell elongation in internodal regions of the green plants takes place ...

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  2. One set of a plant was grown at 12 hours day and 12 hours night period...

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  3. Induction of flowering by low temperature in plants is

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  4. Gibberellins can promote seed germination because of their influence o...

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  5. Opening of floral buds into flowers, is a type of :

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  6. Which one of the following pairs is not correctly matched?

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  7. The wavelength of light absorbed by Pr form of phytochrome is

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  8. Foolish seedling disease of rice led to the discovery of

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  9. Short day plant is

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  10. A hormone delaying senescence is :

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  11. Intercalary meristem results in

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  12. Gibberellin was first discovered from a

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  13. Morphogenesis in plants is controlled by: (a) Auxins (b) Gibberelli...

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  14. A hormone delaying senescence is :

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  15. Removal of apical (terminal) bud of a flowering plant (or pruning of a...

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  16. Coconut milk (coconut water) is widely used in tissue culture because ...

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  17. Which method out of the following renders the seed coat permeable to w...

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  18. One set of a plant was grown at 12 hours day and 12 hours night period...

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  19. The maximum growth rate occurs in

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  20. Cell elongation in internodal regions of the green plants takes place ...

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