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What will be the effect on photochrome i...

What will be the effect on photochrome in a plant subjected to continous subjected to continous red light

A

Level of phytochrome decreases

B

Phytochrome is destroyed

C

Phytochrome synthesis increases

D

Destruction and synthesis of phytochrome remain in equilibrium

Text Solution

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The correct Answer is:
B
Continuous exposure to red light causes (a) conversion of `P_r-P_(fr)` which is rapidly destroyed, (b) inhibition of synthesis of` P_1` Thus, total amount of phytochrome is decreased
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