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  • Control and Coordination in Plants and Animals
  • Which of the following is a synthetic plant hormone?
Multiple choice

Which of the following is a synthetic plant hormone?

  1. IAA

  2. 2,4–D

  3. Gibberellic acid

  4. Zeatin

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

2,4–D is a synthetic plant hormone. It is a synthetic auxin (plant hormone) and one of the most widely used herbicides in the world.

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