Q. Opening of stomata is not affected by

A) $N_{2}$
B) $K^{+}\ ions$
C) Starch
D) None of these
Explanation

Opening of stomata does not affected by $\mathbf{N}_{\mathbf{2}}$(nitrogen). $N_{2}$ is present in free state in atmosphere/air, which is used in nitrogen fixation by some important bacteria but does not affect the opening and closing of stomata.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

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