A) gibberellin ensymes
B) auxin
C) cytokinin
D) abscisic acid
Correct Answer: A
Solution :
Gibberellins are weakly acidic growth hormone which cause cell elongation of input plants in general and increased international length of genetically dwarfed plants. Sugarcane stores carbohydrates as sugar in their stems. Spraying sugarcane crop with gibberellins increases the length of the stem. This increases the yield by as much as 20 tonnes per acre.
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