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Biology · PYQ NEET UG 2024

हिन्दी

Spraying sugarcane crop with which of the following plant growth regulators, increases the length of stem, thus, increasing the yield?

  1. Cytokinin
  2. Abscisic acid
  3. Auxin
  4. Gibberellin

Correct answer · Option 4

Gibberellin

Explanation

Gibberellins promote internode elongation. Spraying sugarcane crops with gibberellins increases the length of the stem, thereby increasing the yield.
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