Question:

Which one of the following phytohormones promotes nutrient mobilization which helps in the delay of leaf senescence in plants?

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Cytokinins are known for delaying leaf senescence and promoting cell division, which helps in extending the life of leaves and promoting nutrient mobilization in plants.
Updated On: May 4, 2025
  • Abscisic acid
  • Gibberellin
  • Cytokinin
  • Ethylene
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The Correct Option is C

Solution and Explanation

Among the plant hormones, cytokinin plays a key role in promoting nutrient mobilization and delaying leaf senescence. It works by stimulating cell division and promoting growth, as well as influencing the processes that lead to the longevity of leaves. Cytokinins also help in the movement of nutrients from older leaves to developing tissues. Thus, the correct answer is Cytokinin.
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