Q. Stomata open due to accumulation of

A) $K^{+}$
B) $Na^{+}$
C) $Mg^{+}$
D) $C{a^{2}}^{+}$
Explanation

According to active $K^{+}$ theory of Levitt, opening of stomata occurs due to influx of $K^{+}$into guard cells. The source of $\ K^{+}$ions are nearby subsidiary and epidermal cells.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

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