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Phytochrome becomes active in...

Phytochrome becomes active in

A

Green light

B

Blue light

C

Red light

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
C
Phytochrome occurs in two i.e. `P_(r)` (red light) and `P_(f r)` (far-red light) and both are inter-convertible it is considered that during daytime `P_(f r)` form accumulates in plants which are inhibitory to flowering in SDP. During night `P_(r)` form accumulate in plants which are stimulatory to flowering.
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