Q. Plant growth regulators are also described as

A) Plant growth substance
B) Plant hormones
C) Phytohormones
D) All of these
Explanation

Plant growth regulators are also called plant hormone, plant growth substance and phytohormone

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

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