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Q. No.
Read the following statements on plant growth and development. 
A. Parthenocarpy can be induced by auxins.
B. Plant growth regulators can be involved in promotion as well as inhibition of growth 
C. Dedifferentiation is a pre-requisite for re-differentiation. 
D. Abscisic acid is a plant growth promoter.
E. Apical dominance promotes the growth of lateral buds. 
Choose the option with all correct statements 
1. A, D, E only
2. B, D, E only
3. A, B, C only
4. A, C, E only
Subtopic:  Auxin Function | Abscisic Acid | Differentiation, Dedifferentiation and Redifferentiation |
 73%
From NCERT
NEET - 2025
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Match List-I with List-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 
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
Subtopic:  Gibberellin | Cytokinin | Ethylene | Abscisic Acid |
 88%
From NCERT
NEET - 2024
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NEET 2026 - Target Batch - Vital
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Given below are some statements about plant growth regulators: 
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.
Choose the correct set of statements from the ones given below:
1. A,C,D 2. B,E
3. A,B,C 4. B,D,E
Subtopic:  Growth Hormones & Auxin | Gibberellin | Cytokinin | Ethylene | Abscisic Acid |
 78%
From NCERT
NEET - 2024
To view explanation, please take trial in the course.
NEET 2026 - Target Batch - Vital
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NEET 2026 - Target Batch - Vital
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Match List-I with List-II:
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:  Gibberellin | Cytokinin | Ethylene | Abscisic Acid |
 81%
From NCERT
NEET - 2024
To view explanation, please take trial in the course.
NEET 2026 - Target Batch - Vital
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Which hormone is used to induce immediate stomatal closure in leaves? 
1. Cytokinin 
2. Gibberellin 
3. Abscisic Acid 
4. Auxin 

Subtopic:  Abscisic Acid |
 90%
From NCERT
NEET - 2022
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NEET 2026 - Target Batch - Vital
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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:  Growth Hormones & Auxin | Gibberellin | Ethylene | Abscisic Acid |
 86%
From NCERT
NEET - 2020
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NEET 2026 - Target Batch - Vital
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