Q. Abscission and dormancy are caused by
A) ABA
B) $CH_{2} - CH_{2}$
C) IAA
D) IBA
Explanation
ABA (Abscisic Acid) was discovered for its role in regulating abscission and dormancy. It acts as the general plant growth inhibitor and an inhibitor of plant metabolism. ABA inhibits seed germination
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.