What is 2,4-D____________________?
Correct answer: B. 2-4 diclorophenoxy acetic acid
- A. 2-4 napthalene acetic acid
- B. 2-4 diclorophenoxy acetic acid
- C. IAA
- D. All the above
Explanation
2,4-D stands for 2,4-dichlorophenoxyacetic acid, a synthetic auxin widely used as a selective herbicide. IAA is indole-3-acetic acid, a different natural auxin, so the inclusive option cannot be correct.
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