A) carotene
B) xanthophyll
C) phytochrome
D) cytochrome
Correct Answer: C
Solution :
Phytochrome is a proteinaceous pigment found in low concentration in most plant organs. The phytochrome consists of two different forms ie, red light absorbing form designated as \[{{\operatorname{P}}_{R}}\] and far red light absorbing form designated as \[{{\operatorname{P}}_{FR.}}\]
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