Which of the following PGR is present in coconut milk which is used in tissue culture?

1. Cytokinin

2. Auxin

3. Gibberellin

4. Ethylene

Subtopic:  Cytokinin |
 93%
From NCERT
AIPMT - 2000
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You are given a tissue with its potential for differentiation in an artificial culture. Which of the following pairs of hormones would you add to the medium to secure shoots as well as roots?

1. IAA and gibberellin

2. Auxin and cytokinin

3. Auxin and abscisic acid

4. Gibberellin & abscisic acid

Subtopic:  Auxin Function | Cytokinin |
 84%
From NCERT
NEET - 2016
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Coconut milk factor is:
1. An auxin
2. A gibberellin
3. Abscisic acid
4. Cytokinin

Subtopic:  Cytokinin |
 88%
From NCERT
AIPMT - 2003
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Coconut water contains

1. ABA

2. auxin

3. cytokinin

4. gibberellin

 

Subtopic:  Cytokinin |
 90%
From NCERT
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Match the Following:

Column I

Column II

A. IAA

B. ABA

C. Ethylene

D. GA

E. Cytokinin

1. Herring sperm DNA.

2. Bolting

3. Stomatal closure

4. Weed-free lawns

5. Ripening of fruits.

Codes
 

Options:  A   B   C   D   E 
1. 4 3 5 2 1
2. 5 3 4 2 1
3. 4 1 4 3 2
4. 5 3 2 4

 

Subtopic:  Auxin Function | Gibberellin | Cytokinin | Ethylene | Abscisic Acid |
 93%
From NCERT
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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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The effect of apical dominance can be overcome by which of the following hormone?

1. IAA

2. Ethylene

3. Gibberellin

4. Cytokinin

 

Subtopic:  Cytokinin |
 84%
From NCERT
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Match List - I with List - II
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:  Auxin Function | Gibberellin | Cytokinin | Ethylene |
 85%
From NCERT
NEET - 2023
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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 |
 79%
From NCERT
NEET - 2024
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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 |
 77%
From NCERT
NEET - 2024
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