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Question

Leaf abscission, fruit fall, bud dormancy occurs by which phytohormone?

A
Auxin
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B
Cytokinin
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C
Gibberellins
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D
Abscisic acid
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Solution

The correct option is D Abscisic acid
ABA is a phytohormone which causes abscission in plants. Leaf fall, fruit wall, bud dormancy will be induced by ABA. It also promotes delayed flowering and promotes aging.
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