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ICSE Class 10 Biology Question 13 of 30

Solved Sample Paper 1 — Question 3

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3
Question

Question 3(iii)

Mention two functions of abscisic acid.

Answer

Two functions of abscisic acid (ABA) are:

  1. It accelerates senescence (ageing) and abscission of leaves.
  2. It is a growth inhibitor and slows down the plant metabolism.