Q. The most common auxin is

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

The most common auxin is Indole Acetic Acid (IAA), which is the principle naturally occurring auxin in all higher plants. It performs many functions in plants.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

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