BIOLOGY
HORMONES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Delaying the aging of leaves-promoting the aging of the leaves
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Cytokinins-Abscisic acid
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Abscisic acid-Cytokinins
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Gibberellins-Auxins
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Auxins-Cytokinins
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Explanation:
Detailed explanation-1: -So, the correct answer is ‘Cytokinins’.
Detailed explanation-2: -Cytokinins especially help in delaying senescence.
Detailed explanation-3: -This suggests that cytokinin may delay leaf senescence not only as a result of exogenous treatment, but as part of an endogenous developmental program.
Detailed explanation-4: -Abstract. A cytokinin plant growth hormone kinetin (Kn) retards senescence in plants and delays ageing in human cells in culture.
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