The hormone that induces closure of stomata and reduces the transpiration loss of water is
A
Abscisic acid
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B
Auxins
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C
Cytokinins
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D
Gibberellins
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Solution
The correct option is A Abscisic acid Abscisic acid acts as a general plant growth inhibitor and an inhibitor of plant metabolism. When plants are subjected to water stress. ABA synthesis increases and induces stomatal closure reducing transpiration.