Why does abscisic acid inhibit growth?

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Solution

Abscisic acid:
Abscisic acid is a growth-inhibiting hormone as it inhibits or suppresses the growth of plants.
This hormone is also called the stress hormone as it induces seed dormancy to overcome stress conditions.
Abscisic acid inhibits growth by working against the excessive activities of the growth-promoting hormones such as auxins, cytokinins, and gibberellins.

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Similar questions

Q. Most of the plant hormones promote plant growth. A plant hormone which inhibits growth is :
(a) abscisic acid
(b) ethene
(c) ascorbic acid
(d) cytokinin

Q. Abscisic acid is a growth inhibiting hormone. How is it useful to the plants?

Q. Pick up the correct statements.
(A) Cytokinins promote cell division.
(B) Auxins promote growth.
(C) Abscisic acid promotes growth.
(D) Gibberellins inhibit growth.

Q. Assertion: Phytohormones are the plant compounds that can promote and inhibit the plant growth.
Reason: There are some phytohormones like auxin, cytokinins which play a role in plant growth and some phytohormones like abscisic acid which inhibit the plant growth.

Question 11
The main function of abscisic acid in plants is to

(a) increase the length of cells
(b) promote cell division
(c) inhibit growth
(d) promote growth of stem

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