Back to Directory
NEET BIOLOGYEasy

The gaseous plant growth regulator is used in plants to:

A

kill dicotyledonous weeds in the fields

B

speed up the malting process

C

promote root growth and root hair formation to increase the absorption surface

D

help overcome apical dominance

Step-by-Step Solution

The gaseous plant growth regulator mentioned in the text is Ethylene . Ethylene promotes root growth and root hair formation, which helps to increase the absorption surface .

Functions of other regulators mentioned in the options:

  • Auxins (e.g., 2, 4-D) are used to kill dicotyledonous weeds .
  • Gibberellins (GA3GA_3) are used to speed up the malting process in the brewing industry .
  • Cytokinins help overcome apical dominance .
Practice Mode Available

Master this Topic on Sushrut

Join thousands of students and practice with AI-generated mock tests.

Get Started