Question 12
Which of the following is not associated with growth of plants?

(a) Auxin
(b) Gibberellins
(c) Cytokinins
(d) Abscisic acid

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Solution

(d) Abscisic acid

Abscisic acid is a hormone which inhibits growth. Its effects include wilting of leaves, seed dormancy, etc. Hence it is not associated with the growth of plants. Auxin, gibberellins and cytokinins are plant hormones associated with the growth of plants.

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Question 12
Which of the following is not associated with growth of plants?

(a) Auxin
(b) Gibberellins
(c) Cytokinins
(d) Abscisic acid

Question 20
The substance that triggers the fall of mature leaves and fruits from plants is

(a) auxin
(b) gibberellin
(c) abscisic acid
(d) cytokinin

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. Read the following statements:-
(a) Auxins are group of plant hormones synthesized at the shot-tip of the plant.
(b) Gibberellins stimulate stem elongation.
(c) Cytokinins delay the ageing in leaves.
(d) Abscisic acid is a growth inhibitor.
Correct statements are _____________.

Q. What are the exact functions of the plant hormones(Auxin,Cytokinins,Gibberellins,Abscisic acid)?

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Plant Hormones

Standard X Biology

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Question 12 Which of the following is not associated with growth of plants? (a) Auxin (b) Gibberellins (c) Cytokinins (d) Abscisic acid

(d) Abscisic acid Abscisic acid is a hormone which inhibits growth. Its effects include wilting of leaves, seed dormancy, etc. Hence it is not associated with the growth of plants. Auxin, gibberellins and cytokinins are plant hormones associated with the growth of plants.

Question 12
Which of the following is not associated with growth of plants?

(a) Auxin
(b) Gibberellins
(c) Cytokinins
(d) Abscisic acid

(d) Abscisic acid

Abscisic acid is a hormone which inhibits growth. Its effects include wilting of leaves, seed dormancy, etc. Hence it is not associated with the growth of plants. Auxin, gibberellins and cytokinins are plant hormones associated with the growth of plants.