NEET Biology question

Leaf abscission is caused by

(A)ABACorrect
(B)Cytokinin
(C)Auxin
(D)Gibberellin

Answer: (A)

Solution

Abscisic acid (ABA), the stress hormone, promotes senescence and accelerates leaf abscission (Addicott and co-workers demonstrated this in cotton); auxin, by

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Question ID VK-114031