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:-
(a) | (b) | (c) | (d) | |
1. | (ii) | (iii) | (iv) | (i) |
2. | (iii) | (iv) | (ii) | (i) |
3. | (iv) | (iii) | (ii) | (i) |
4. | (iv) | (ii) | (i) | (iii) |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyMatch 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 :-
(1) (a)-(ii), (b)-(iii), (c)-(iv), (d)-(i)
(2) (a)-(iii), (b)-(iv), (c)-(ii), (d)-(i)
(3) (a)-(iv), (b)-(iii), (c)-(ii), (d)-(i)
(4) (a)-(iv), (b)-(ii), (c)-(i), (d)-(iii)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyList I | List II |
A. Abscisic acid | I. Induce parthenocarpy |
B. Gibberellin | II. Delay senescence |
C. Auxin | III. Regulates dormancy |
D. Ethylene | IV. Promotes root growth |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyConsider the following statements:
I. In low concentrations, auxin can inhibit ethylene formation and transport of precursor
in plants;
II. High concentrations of auxin can induce the synthesis of ethylene.
III. Therefore, the high concentration can induce maleness of flowers in some species.
The correct statements are:
(1) I, II, III
(2) I, II
(3) I, III
(4) II, III
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyConsider the following statements regarding the synthesis and distribution of auxins:
I. Auxins are made continuously in the shoot apex and young leaves
II. It moves away from the tip and its movement is described as basipetal and polar
III. It moves by active transport from cell to cell and is eventually inactivated and
degraded by enzymes
IV. Long term transport can also occur via the vascular system (mainly phloem) from
shoots to roots
V. No auxin is made by roots
The correct statements are:
(1) I, II, III1
(2) I, II, IV
(3) II, III, 2
(4) III, IV, 34
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyPrefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology