Assertion: Dark period play more important part in flowering than light period.
Reason : Flowering occurs in short-day plant if the dark period is interrupted by light break.

Options

A. If both the assertion and the reason are true and the reason is a correct explanation of the assertion.
B. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
C. If the assertion is true but the reason is false
D. If the assertion and reason is false but reason is true

Answer

C

Explanation

( c) It has been demonstrated that flowering in plant is more of a response to the dark period than to the light period. In short day plants, can flower in complate darknrss if prevented in them if dark period below the critical level is interrupted by a flash of light . Interruption of light by dark inhibits flowering under normal photoperiods.