A hormone delaying senescence is

Gibberellin

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Cytokinin

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Auxin

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Ethylene

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Solution

The correct option is B
Cytokinin

Richmond and Lang proved that cytokinin delayed senescence. They observed that application of cytokinins increased the chlorophyll content which delays senescence for several days.

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Similar questions

Q. Pick out the correct statements.
(A) Cytokinins specially help in delaying senescence.
(B) Auxins are involved in regulating apical dominance.
(C) Ethylene is especially useful in enhancing seed germination.
(D) Gibberellins are responsible for immature falling of leaves.

Pick out the correct statements.
I. Cytokinins especially help in delaying senescence.
II. Auxins are involved in regulating apical dominance.
III. Ethylene is especially useful in enhancing seed germination.
IV. Gibberellins are responsible for immature falling of leaves.

Q. Match the columns and choose the correct option.

I	II
(p) Control of weeds	(i) Gibberellin
(q) Induction of germination	(ii) Cytokinin
(r) Ripening of fruit	(iii) 2, 4-D
(s) Delaying of senescence	(iv) Ethylene

Q. Match the columns and select the correct option.

	Hormones		Functions
A.	Cytokinin	I.	Senescence
B.	Ethylene	II.	Abscission
C.	Abscisic acid	III.	Cell growth
D.	Auxin	IV.	Shoot and root formation

Q. Which of the following statements is /are correct about cytokinin?.
Statement 1: Cytokinin is a hormone whose main function is the induction of cell division and delay in senescence
Statement 2: Cytokinin is the process of cell division
Statement 3: Cytokinin helps in breaking seed dormancy.
Statement 4: Cytokinin helps to overcome apical dominance.

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A hormone delaying senescence is

The correct option is B Cytokinin Richmond and Lang proved that cytokinin delayed senescence. They observed that application of cytokinins increased the chlorophyll content which delays senescence for several days.

The correct option is B
Cytokinin

Richmond and Lang proved that cytokinin delayed senescence. They observed that application of cytokinins increased the chlorophyll content which delays senescence for several days.