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 :-
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 & BiologyVernalisation stimulates flowering in -
1. Turmeric
2. Carrot
3. Ginger
4. Zaminkand
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich one of the following generally acts as an antagonist to gibberellins ?
1. Ethylene
2. ABA
3. IAA
4. Zeatin
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyOne of the commonly used plant growth hormone in tea plantations is -
1. Abscisic acid
2. Zeatin
3. Indole-3- acetic acid
4. Ethylene
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyRoot development is promoted by -
1. Auxin
2. Gibberellin
3. Ethylene
4. Abscisic acid
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyInhibitory substances in dormant seeds cannot be removed by subjecting seeds to:
1. Gibberellic acid
2. Nitrate
3. Ascorbic acid
4. Chilling conditions
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWho coined the term 'Kinetin'?
1. Skoog and Miller
2. Darwin
3. Went
4. Kurosawa
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhat is necessary for ripening of fruits :
1. 80% of ethylene
2. Abscissic acid
3. 2, 4 D
4. A.M.O. – 16
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyEffect of light and dark rhythm on plants is known as:
1. Photonasty
2. Phototropism
3. Photoperiodism
4. Photomorphogenesis
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe maximum growth rate occurs in:-
1. Senescent phase
2. Lag phase
3. Exponential phase
4. Stationary phase
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology