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easyMCQNEET 2020 E12026Biology
1 mark

Name the plant growth regulator which upon spraying on sugarcane crop, increases the length of stem, thus increasing the yield of sugarcane crop.

  1. A
    Cytokinin
  2. B
    Gibberellin
  3. C
    Ethylene
  4. D
    Abscisic acid

Solution & Step-by-step Explanation

Gibberellins are known to increase the length of the axis (internode elongation). Sugarcane stores carbohydrate as sugar in their stems. Spraying sugarcane crop with gibberellins increases the length of the stem, thus increasing the yield.

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Name the plant growth regulator which upon spraying on sugarcane crop, increases the length of stem, thus increasing the yield of sugarcane crop.
A
Cytokinin
B
Gibberellin
C
Ethylene
D
Abscisic acid

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