Q. Which phytohormone has viral inhibitory property?
A) IAA
B) $GA_{3}$
C) ABA
D) 2,4-D
Explanation
Abscisic acid (ABA) inhibits synthesis of RNA and proteins. It has been shown that ABA regulate the expression of certain genes during seed maturation and certain stress condition such as heat shock, adaptation to low temperature and tolerance.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.