MarksRiser
MarksRiser
AIPMT PRELIMS2007Botany-Plant Physiology

AIPMT PRELIMS 2007 Botany Phytochrome MCQ Question

Type: MCQ-conceptual-Medium-Class 11

The wavelength of light absorbed by Pr form of phytochrome is

A

680 nₘ

B

720 nₘ

C

620 nₘ

D

640 nₘ

Correct Answer

Option A

Detailed Explanation

The Pr form of phytochrome absorbs red light at a wavelength of approximately 680 nₘ, which is crucial for plant photoreception.

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