Fruit and leaf drop at early stages can be prevented by the application of:

1. Ethylene

2. Auxins

3. Gibberellic acid

4. Cytokinins

Subtopic:  Auxin Function |
 70%
From NCERT
NEET - 2017
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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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Phytochrome is a:

1. flavoprotein

2. glycoprotein

3. lipoprotein

4. chromoprotein

Subtopic:  Photoperiodism (OLD NCERT) |
 75%
NEET - 2016
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The Avena curvature is used for bioassay of?

1.GA32.IAA
3.Ethylene4.ABA

Subtopic:  Growth Hormones & Auxin |
 86%
NEET - 2016
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