- 1(current)
Q. No.PGR causing the closure of stomata in response to water stress is:
| 1. | ABA | 2. | Gibberellins |
| 3. | Auxin | 4. | Cytokinin |
Subtopic: Â Abscisic Acid |
 95%
From NCERT
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NEET 2025 - Target Batch
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Subtopic: Â Abscisic Acid |
 85%
From NCERT
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NEET 2025 - Target Batch
Hints
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NEET 2025 - Target Batch
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) |
Subtopic: Â Growth Hormones & Auxin |Â Gibberellin |Â Ethylene |Â Abscisic Acid |
 92%
From NCERT
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NEET 2025 - Target Batch
Hints
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Identify the plant growth regulator that is not correctly matched to its chemical nature in the following given options:
|
|
PGR |
Chemical nature |
|
1. |
Ethylene |
Gaseous |
|
2. |
Adenine derivatives |
Kinetin |
|
3. |
Indole compounds |
Auxins |
|
4. |
Terpenes |
Abscisic acid |
Subtopic: Â Abscisic Acid |
 77%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
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NEET 2025 - Target Batch
- 1(current)
Q. No.
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