state the main function abscisic acid in plants
Abscisic acid
It promotes seed dormancy by inhibiting cell growth. It is involved in the opening and closing of stomata. It is also responsible for the shedding of leaves.
Question 11 The main function of abscisic acid in plants is to (a) increase the length of cells (b) promote cell division (c) inhibit growth (d) promote growth of stem
Is abscisic acid necessary in plant? if yes, then why?