AIIMS2015Botany-Plant Physiology

AIIMS 2015 Botany Photoperiodism MCQ Question

Type: MCQ-conceptual-Medium-Class 11

The biological clock measures the length at each night by the

A

relative amount of red absorbing and far-red absorbing phytochrome present at dawn

B

amount of far-red absorbing phytochrome at dusk

C

relative amount of red absorbing and far-red absorbing phytochrome at mid day

D

rate at which are kind of phytochrome is converted to the other

Correct Answer

Option A

Detailed explanation coming soon.

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