Q. The following statements are given about plant growth hormones: Kinetin is a degradative substance from DNA molecule. ABA is present, in all the plants. Low ratio of cytokinins to auxins favours root formation only. ABA is synthesized catabolically through mevalonate pathway. The correct combination is
A) I and II
B) II and III
C) I and III
D) III and IV
Explanation
Abscisic acid (ABA) is produced in many parts of the green plants. It is formed from mevalonic acid.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.