2022 Plant Growth and DevelopmentPlant Growth Regulators – Ethylene Medium Question 3 of 4 in Plant Growth Regulators – Ethylene

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

The answer is C.

Solution

Concept uses of ethylene

Plant Growth Regulators – Ethylene in past papers

4 questions from this chapter have appeared across 3 exam years.