Q. Which one of the following is a natural growth inhibitor?

A) NAA
B) ABA
C) IAA
D) GA
Explanation

ABA (abscisic acid) is a naturally occurring growth inhibitor in plants.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

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