Q. Indentify two of the following phytohormones, which regulate the stomatal movements? I.IAA II. $GA_{3}$ III. Zeatin IV. ABA
A) I and III
B) II and III
C) III and IV
D) II and IV
Explanation
Cytokinins(zeatin) are essential for opening of stomata, while abscisic acid takes part in closing of stomata.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.