- 1(current)
Q. No.Match List-I with List-II
Choose the correct answer from the options given below:
1. A-III, B-I, C-IV, D-II
2. A-II, B-III, C-IV, D-I
3. A-IV, B-II, C-I, D-III
4. A-III, B-IV, C-I, D-II
| List-I | List-II | ||
| A. | Ethylene | I. | Increase length of stem |
| B. | Cytokinins | II. | Promotion of senescence and abscission |
| C. | ABA | III. | Delaying leaf senescence |
| D. | Gibberellins | IV. | Inhibition of seed germination |
1. A-III, B-I, C-IV, D-II
2. A-II, B-III, C-IV, D-I
3. A-IV, B-II, C-I, D-III
4. A-III, B-IV, C-I, D-II
Subtopic: Â Gibberellin |Â Cytokinin |Â Ethylene |Â Abscisic Acid |
 86%
From NCERT
NEET - 2024
Please attempt this question first.
Hints
Please attempt this question first.
Given below are some statements about plant growth regulators:
Choose the correct set of statements from the ones given below:
| A. | All GAs are acidic in nature. |
| B. | Auxins are antagonists to GAs. |
| C. | Zeatin was isolated from coconut milk. |
| D. | Ethylene induces flowering in Mango. |
| E. | Abscisic acid induces parthenocarpy. |
| 1. | A,C,D | 2. | B,E |
| 3. | A,B,C | 4. | B,D,E |
Subtopic: Â Growth Hormones & Auxin |Â Gibberellin |Â Cytokinin |Â Ethylene |Â Abscisic Acid |
From NCERT
NEET - 2024
Please attempt this question first.
Hints
Please attempt this question first.
Match List I with List II:
Choose the correct answer from the options given below:
1. A-II, B-III, C- IV, D- I
2. A-III, B-II, C- I, D- IV
3. A-II, B-I, C- IV, D- III
4. A-II, B-I, C- III, D- IV
| List I | List II | ||
| A. | Abscisic acid | I. | Promotes female flowers in cucumber |
| B. | Ethylene | II. | Helps seeds to withstand desiccation |
| C. | Gibberellin | III. | Helps in nutrient mobilisation |
| D. | Cytokinin | IV. | Promotes bolting in beet cabbage etc |
Choose the correct answer from the options given below:
1. A-II, B-III, C- IV, D- I
2. A-III, B-II, C- I, D- IV
3. A-II, B-I, C- IV, D- III
4. A-II, B-I, C- III, D- IV
Subtopic: Â Gibberellin |Â Cytokinin |Â Ethylene |Â Abscisic Acid |
From NCERT
NEET - 2024
Please attempt this question first.
Hints
Please attempt this question first.
Which hormone promotes internode/petiole elongation in deep water rice?
| 1. | 2, 4-D | 2. | GA3 |
| 3. | Kinetin | 4. | Ethylene |
Subtopic: Â Ethylene |
 68%
From NCERT
NEET - 2023
Please attempt this question first.
Hints
Please attempt this question first.
Match List - I with List - II
Choose the correct answer from the options given below:
| List - I | List - II | ||
| (A) | Auxin | (I) | Promotes female flower formation in cucumber |
| (B) | Gibberellin | (II) | Overcoming apical dominance |
| (C) | Cytokinin | (III) | Increase in the length of grape stalks |
| (D) | Ethylene | (IV) | Promotes flowering in pineapple |
Choose the correct answer from the options given below:
| Options: | (A) | (B) | (C) | (D) |
| 1. | II | I | IV | III |
| 2. | IV | III | II | I |
| 3. | I | III | IV | II |
| 4. | III | II | I | IV |
Subtopic: Â Auxin Function |Â Gibberellin |Â Cytokinin |Â Ethylene |
 84%
From NCERT
NEET - 2023
Please attempt this question first.
Hints
Please attempt this question first.
The gaseous plant growth regulator is used in plants to:
| 1. | kill dicotyledonous weeds in the fields |
| 2. | speed up the malting process |
| 3. | promote root growth and root hair formation to increase the absorption surface |
| 4. | help overcome apical dominance |
Subtopic: Â Ethylene |
 74%
From NCERT
NEET - 2022
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
Production of Cucumber has increased manifold in recent years. Application of which of the following phytohormones has resulted in this increased yield as the hormone is known to produce female flowers in plants?
| 1. | Cytokinin | 2. | ABA |
| 3. | Gibberellin | 4. | Ethylene |
Subtopic: Â Ethylene |
 76%
From NCERT
NEET - 2022
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
Match the following concerning the activity/function and the phytohormone involved:
| Column I | Column II | ||
| (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:
| Options: | (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 |
 85%
From NCERT
NEET - 2020
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
It takes a very long time for pineapple plants to produce flowers. Which combination of hormones can be applied to artificially induce flowering in pineapple plants throughout the year to increase yield?
1. Cytokinin and Abscisic acid
2. Auxin and Ethylene
3. Gibberellin and Cytokinin
4. Gibberellin and Abscisic acid
Subtopic: Â Auxin Function |Â Ethylene |
 80%
From NCERT
NEET - 2019
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.
© 2024 GoodEd Technologies Pvt. Ltd.