The plant hormone used to destroy weeds in a field is | CGP Edu

Biology Plant Growth and Development Previous Year Questions Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 21, 2026

The plant hormone used to destroy weeds in a field is

A

NAA

B

C

IBA

D

IAA

Text Solution

Verified by Experts

The correct answer is:

2,4-D is a synthetic auxin which is widely used to destroy dicotyledonous weeds.
IAA and IBA are natural auxins. NAA is a synthetic auxin.

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