Biology
NULL
Medium
Question
The one which is a weed killer is ___________?
A
IAA
B
NAA
C
2 4-D
✓ Official correct answer
D
GA
Community credibility
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A
IAA
No member explanations yet for this option.
B
NAA
No member explanations yet for this option.
C
2 4-D
No member explanations yet for this option.
D
GA
No member explanations yet for this option.
Explanation
2,4-D (2,4-dichlorophenoxyacetic acid) is a synthetic auxin widely used as a selective herbicide to kill broadleaf weeds.