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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