Multiple choice

Leaf abscission is caused by which of the following?

  1. ABA

  2. Gibberellin

  3. Auxin

  4. Cytokinin

  5. -
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Abscisic acid (ABA) plays a central role in many aspects of plant growth, including seed development, dormancy and germination. It also causes abscission of leaves.

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