One of the following plant hormones is responsible for the phenomenon of phototropism in plants. This is :

(a) giberellin

(b) eltroxin

(c) cytokinin

(d) auxin

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Solution

(d) auxin

Auxin is responsible for the phenomenon of phototropism in plants.

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Similar questions

Q. What are the exact functions of the plant hormones(Auxin,Cytokinins,Gibberellins,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

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

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

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 _____________.

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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One of the following plant hormones is responsible for the phenomenon of phototropism in plants. This is : (a) giberellin (b) eltroxin (c) cytokinin (d) auxin

(d) auxin Auxin is responsible for the phenomenon of phototropism in plants.

One of the following plant hormones is responsible for the phenomenon of phototropism in plants. This is :

(a) giberellin

(b) eltroxin

(c) cytokinin

(d) auxin

(d) auxin

Auxin is responsible for the phenomenon of phototropism in plants.