Kinetin term was used for …..by…

1.Cytokinins, Darwin

2.Cytokinin, Skoog And Miller

3.ABA, Darwin

4.ABA, F. Skoog

Subtopic:  Cytokinin |
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Cytokinesis promoting substance was crystallised by

1.Skoog and Darwin

2.Skoog and Miller

3.Kurosawa

4.Cousins

Subtopic:  Cytokinin |
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Select the correct match
1. Auxin – Promote seed dormancy
2. Cytokinin – Overcoming apical dominance
3. Ethylene – Bolting in beet
4. GA3 – Thinning of cherry and walnut

Subtopic:  Cytokinin |
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N6- furfurylamino purine and kinetin are derivative of …….

1.Indol compounds

2.Adenine

3.carotenoids

4.Terpenes

Subtopic:  Cytokinin |
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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 |
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Natural cytokinins are sythesized in tissue that are:-

(1) senescent

(2) dividing rapidly

(3) storing food material

(4) differentiating

Subtopic:  Cytokinin |
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Cytokinin does not help in:

1. Lateral shoot growth
2. Overcoming apical dominance
3. Adventitious shoot formation
4. Promoting leaf senescence

Subtopic:  Cytokinin |
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Kinetin (cytokinin) was first discovered as a breakdown products of 

1. DNA 

2. t-RNA

3. Spindle fibres 

4. m-RNA

Subtopic:  Cytokinin |
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Find the incorrect statement.

F. Skoog and his co-workers obeserved that

1. Callus proliferated only if Auxin is there

2. Callus proliferated only if Auxin + extracts of vascular tissue was there

3. Callus proliferated only if Auxin + Yeast extract was there

4. Callus proliferated only if Auxin + coconut milk/DNA was there

Subtopic:  Cytokinin |
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Coconut water contains

1. ABA

2. auxin

3. cytokinin

4. gibberellin

 

Subtopic:  Cytokinin |
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