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Question
The primary hormone causing abscission of leaves is:
The primary hormone causing abscission of leaves is:
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Solution
The correct option is C ABA
ABA or abscisic acid promotes the abscission of leaves, senescence, bud dormancy and inhibition of cell division. Abscisic acid is also called as stress hormone. During stress condition like drought, abscisic acid concentration increases in plants. It inhibits cell division and induces bud dormancy. It also helps in abscission of leaves and hence the name given. It also stimulates senescence in plant.
ABA or abscisic acid promotes the abscission of leaves, senescence, bud dormancy and inhibition of cell division. Abscisic acid is also called as stress hormone. During stress condition like drought, abscisic acid concentration increases in plants. It inhibits cell division and induces bud dormancy. It also helps in abscission of leaves and hence the name given. It also stimulates senescence in plant.
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