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      Question

      Which of the following plant hormones is responsible for

      delaying leaf senescence and is known as the "anti-aging hormone"?
      A Abscisic Acid Correct Answer Incorrect Answer
      B Ethylene Correct Answer Incorrect Answer
      C Cytokinin Correct Answer Incorrect Answer
      D Auxin Correct Answer Incorrect Answer
      E Gibberellin Correct Answer Incorrect Answer

      Solution

      Cytokinin delays leaf senescence by promoting cell division and nutrient mobilization. It is called the anti-aging hormone because of its role in retarding the aging process.

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