+91-8527521718
Signup | Login
  • 1(current)
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%
Level 2: 60%+
NEET - 2025
Please attempt this question first.
Hints
Please attempt this question first.
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%
Level 1: 80%+
NEET - 2024
Hints
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%
Level 2: 60%+
NEET - 2024
Hints
advertisementadvertisement
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%
Level 1: 80%+
NEET - 2024
Hints

Which hormone is used to induce immediate stomatal closure in leaves? 
1. Cytokinin 
2. Gibberellin 
3. Abscisic Acid 
4. Auxin 

Subtopic:  Abscisic Acid |
 90%
Level 1: 80%+
NEET - 2022
Hints

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 |
 87%
Level 1: 80%+
NEET - 2020
Hints
advertisementadvertisement

Which one of the following growth regulators is known as the stress hormone?

1. Abscisic acid 2. Ethylene
3. GA3 4. Indole acetic acid
Subtopic:  Abscisic Acid |
 94%
Level 1: 80%+
AIPMT - 2014
Hints

Which one of the following generally acts as an antagonist to Gibberellins?
1. Ethylene
2. ABA
3. IAA
4. Zeatin

Subtopic:  Abscisic Acid |
 87%
Level 1: 80%+
AIPMT - 2012
Hints

Which one of the following acids is a derivative of carotenoids?

1. Indole-butyric acid

2. Indole-3-acetic acid

3. Gibberellic acid

4. Abscisic acid

Subtopic:  Abscisic Acid |
 73%
Level 2: 60%+
AIPMT - 2009
Hints
advertisementadvertisement

Seed dormancy is due to:

1. Ethylene 2. Abscisic acid
3. IAA 4. Starch
Subtopic:  Abscisic Acid |
 88%
Level 1: 80%+
AIPMT - 2002
Hints
  • 1(current)
Q. No.

NEET Information

courses

Company

Botany Questions

Chemistry Questions

Physics Questions

Zoology Questions

© 2025 GoodEd Technologies Pvt. Ltd.