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 flowere
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. Long-day
B. Darkness neutral
C. Day neutral
D. Short-day
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Correct Answer - D
The condition shows that the plant require photo-period shorter than the critical day length. This plant needs uninterrupted dark period for flowering. Therefore, it is a short-day plant and these do not flower if the dark period is interrupted with flashes of light
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