Question

What will be the effect on phytochrome in a plant subjected to continuous red light?

Answer 1

Answer:

If, we subject a plant to continuous red light, the level of phytochrome in the plant decrease below a critical value and triggers the de novo synthesis of more phytochromes in the Pr form.

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Explanation:

Answer 2

Answer:

The effect on phytochrome in a plant subjected to continuous red light. Its effect is following - Phytochrome is destroyed. Hence the correct option is B. The continuous exposure to the red light can cause (a) the conversion of the Pr - Pfr that is rapidly destroyed and (b) the inhibition of the Pr synthesis. In this way, the total amount of the phytochrome can be decreased.