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)

Subtopic:  Growth Hormones & Auxin | Gibberellin | Ethylene | Abscisic Acid |
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Removal of shoot tips is a very useful technique to boost the production of tea- leaves. This is because

1. Gibberellins prevent bolting and are inactivated.

2. Auxins prevent leaf drop at early stages.

3. Effect of auxins is removed and growth of lateral buds is enhanced.

4. Gibberellins delay senescence of leaves.

Subtopic:  Growth Hormones & Auxin | Auxin Function |
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Removal of apical dominance by decapitation is utilised for: 
1. Suppressing the activity of intercalary meristem 
2. Early senescence 
3. Hedge making 
4. Preparing weed-free lawns 

Subtopic:  Growth Hormones & Auxin | Auxin Function |
To view explanation, please take trial in the course below.
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NEET 2023 - Target Batch - Aryan Raj Singh
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Which of the following growth regulators is an adenine derivative ?
1. Auxin
2. Cytokinin
3. Ethylene
4. Abscisic acid
Subtopic:  Growth Hormones & Auxin |
To view explanation, please take trial in the course below.
NEET 2023 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2023 - Target Batch - Aryan Raj Singh
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