Q. Growth promoting hormone is
A) IAA
B) Gibberellin
C) 2,4-D
D) ABA
Explanation
Indole -3 – acetic acid (IAA) is the best known natural auxin. It is growth promoting hormone.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.