Nodule formation is stimulated by two phytohormones

Auxin and Abscesic acid

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Auxin and Cytokinin

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Cytokinin and Gibberellins

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None of these

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Solution

The correct option is B
Auxin and Cytokinin

The ratio of auxin-to-cytokinin in the root is responsible for the initiation of the cortical cell divisions and nodule formation.

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Similar questions

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

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

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

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.

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Nodule formation is stimulated by two phytohormones

The correct option is B Auxin and Cytokinin The ratio of auxin-to-cytokinin in the root is responsible for the initiation of the cortical cell divisions and nodule formation.

The correct option is B
Auxin and Cytokinin

The ratio of auxin-to-cytokinin in the root is responsible for the initiation of the cortical cell divisions and nodule formation.