Plant Growth And Development Question 216

Question: Hormone causing stomatal closure is [Orissa JEE 2005]

Options:

A) GA

B) Kinetin

C) ABA

D) IBA

Show Answer

Answer:

Correct Answer: C

Solution:

Application of minute quantity of ABA to leaves reduces transpiration to a great extent through partial closure of stomata.

It thus conserves water and reduces the requirement of irrigation.