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Phytochrome is used in...

Phytochrome is used in

A

Flowering only

B

Seed germination only

C

Transpiration only

D

All physiological process exhibited by the plants such as seed germination, flowering (photoperiodism), stem elongation and transpiration

Text Solution

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The correct Answer is:
d
(d) In photoperiodism, photoreceptor pigment called phytochrome are in fully developed mature leaves which receive the stimulas of light.
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Assertion: Phytochrome exists in two forms P_(r) and P_("fr") Reasons : P_(r) form stimulates and P_("fr") form inhibit flowering.