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The pigment involved in red-far red ligh...

The pigment involved in red-far red light interconversion is

A

Cytochrome

B

Xanthophyll

C

Lycopene

D

Phytochrome

Text Solution

Verified by Experts

The correct Answer is:
D
Photoperiodic is a blue-green pigment exists in two inter-convertible forms `P_(f r) or P_(730)` (absorbs far-red light) and `P_(r) or P_(660)` (absorbs red light). Absorbing red light `P_(r)` is converted to `P_( fr)` rapidly. `P_(f r)` on absorbing far-red light is converted to `P_(r)` rapidly. Darkness also causes this conversion.
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