Senescence of leaves can be delayed by the use of:

Auxin

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Gibberellin

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Cytokinin

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Ethylene

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Solution

The correct option is C
Cytokinin

Cytokinins or CKs are a group of chemicals that influence cell division and shoot formation. They also help delay senescence of tissues, are responsible for mediating auxin transport throughout the plant, and affect internodal length and leaf growth.

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Similar questions

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. 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.

Q. Cytokinin helps in delay of leaf senescence by:

Q. Assertion :Auxin was isolated by F.W. Went from the tips of coleoptiles of wheat seedlings. Reason: Ethylene delays the senescence.

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

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Senescence of leaves can be delayed by the use of:

The correct option is C Cytokinin Cytokinins or CKs are a group of chemicals that influence cell division and shoot formation. They also help delay senescence of tissues, are responsible for mediating auxin transport throughout the plant, and affect internodal length and leaf growth.

The correct option is C
Cytokinin

Cytokinins or CKs are a group of chemicals that influence cell division and shoot formation. They also help delay senescence of tissues, are responsible for mediating auxin transport throughout the plant, and affect internodal length and leaf growth.