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Match the following concerning the activity/function and the phytohormone involved.

(a) Fruit ripener             (i) Abscisic acid

(b) Herbicide                 (ii) GA3

(c) Bolting agent          (iii) 2, 4-D

(d) Stress hormone     (iv) Ethephon

Select the correct option from following

(1) (a)-(iv), (b)-(ii), (c)-(i), (d)-(iii)

(2) (a)-(ii), (b)-(iii), (c)-(iv), (d)-(i)

(3) (a)-(iii), (b)-(iv), (c)-(ii), (d)-(i)

(4) (a)-(iv), (b)-(iii), (c)-(ii), (d)-(i)

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Best answer

Answer (4) (a)-(iv), (b)-(iii), (c)-(ii), (d)-(i)

Sol. (a) Fruit ripener – Ethephon (Ethylene helps in ripening of fruits)

(b) Herbicide – 2, 4-D (Auxin)

(c) Bolting agent – GA3 (Gibberellin) [Helps in internode elongation]

(d) Stress hormone – Abscisic acid (ABA)

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