Q. Stomatal movement is not affected by

A) $O_2$ concentration
B) Light
C) Temperature
D) $CO_2$ concentration
Explanation

[Solution] Stomatal opening depends on light, temperature, $CO_2$ and water, not on $O_2$ concentration. Answer (1).

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.

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