- 1(current)
Q. No.Which of the following is not a use of plant PGR ethylene?
1. Initiation of flowering and synchronizing fruit set in pineapples.
2. Induction of flowering in mango.
3. Ethephon, most common source of ethylene, hastens fruit ripening in tomatoes.
4. Induction of parthenocarpy in tomatoes.
Subtopic: Â Growth Hormones & Auxin |Â Ethylene |
 79%
From NCERT
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NEET 2025 - Target Batch
Hints
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NEET 2025 - Target Batch
Which of the following is not a function of ethylene?
| 1. | Breaking seed and bud dormancy |
| 2. | Horizontal growth of seedlings, swelling of axis and apical hook formation in dicot seedlings |
| 3. | Enhancement of respiration rate during ripening of fruits |
| 4. | Closure of stomata during water stress |
Subtopic: Â Ethylene |Â Abscisic Acid |
 82%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
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
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
- 1(current)
Q. No.
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