Moderate

What is 2,4-D____________________?

Correct answer: C. 2-4 diclorophenoxy acetic acid

  • A. 2-4 napthalene acetic acid
  • B. IAA
  • C. 2-4 diclorophenoxy acetic acid
  • 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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