Match the following concerning the activity/function and the phytohormone involved:-
(a) Fruit ripener (i) Abscisic acid
(b) Herbicide (ii) ${GA}_{3}$
(c) Bolting agent (iii) $2, 4 - D$
(d) Stress hormone (iv) Ethephon
Select the correct option from following:-
NEET 2020 (Phase 2)

Question

Match the following concerning the activity/function and the phytohormone involved:-

(a)	Fruit ripener	(i)	Abscisic acid
(b)	Herbicide	(ii)	${GA}_{3}$
(c)	Bolting agent	(iii)	$2, 4 - D$
(d)	Stress hormone	(iv)	Ethephon

Select the correct option from following:-

NEET 2020 (Phase 2)

TestHub · Accepted Answer

Phytohormone Activity Abscisic acid It is a stress hormone. It induces seed dormancy and is responsible for the closure of stomata. GA 3 Gibberellins are responsible for inducing bolting in cabbage. 2 , 4 - D It is a synthetic auxin, that is used as a herbicide. Ethephon It is broken down as and released as ethylene in plants that fastens the ripening of fruits.

Botany - Plant Growth and Development Question with Solution | TestHub

Options:

Doubts & Discussion

Phytohormone	Activity
Abscisic acid	It is a stress hormone. It induces seed dormancy and is responsible for the closure of stomata.
${GA}_{3}$	Gibberellins are responsible for inducing bolting in cabbage.
$2, 4 - D$	It is a synthetic auxin, that is used as a herbicide.
Ethephon	It is broken down as and released as ethylene in plants that fastens the ripening of fruits.