Plant Growth Regulators (PGRs) are not

1. Very less in number in plants

2. Small and simple molecules

3. Diverse chemical composition

4. Plant hormones or phytohormones

Subtopic:  Growth Hormones & Auxin |
 53%
From NCERT
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N6- furfurylamino purine and kinetin are derivative of …….

1.Indol compounds

2.Adenine

3.carotenoids

4.Terpenes

Subtopic:  Cytokinin |
 79%
From NCERT
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Abscisic Acid and ABA are derivative of…..

1.Indol compounds

2.Adenine

3.carotenoids

4.Terpenes

Subtopic:  Abscisic Acid |
 86%
From NCERT
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C2H4 or Ethylene are …...or derivative of….

1.Indol compounds

2.Gases

3.carotenoids

4.Terpenes

Subtopic:  Ethylene |
 88%
From NCERT
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In the living plant body, the PGRs can be broadly divided into two groups. This classification is actually based on

1.Function

2.Structure

3.Metabolism

4.Kinetin

Subtopic:  Growth Hormones & Auxin |
 84%
From NCERT
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Plant growth promoters are not involved in

1. Cell division, cell enlargement

2. Pattern formation, seed formation

3. Dormancy, Abscission

4. Fruiting and Flowering

Subtopic:  Abscisic Acid | Seed Dormancy (OLD NCERT) |
 64%
From NCERT
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Plant growth promotor is not

1.Auxins

2.Gibberellins

3.Cytokinins

4.ABA

Subtopic:  Abscisic Acid |
 95%
From NCERT
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The PGRs of the other group which play an important role in plant growth inhibiting activities is not

1.Ethylene

2.ABA

3.GA

4.All of these

Subtopic:  Gibberellin |
 71%
From NCERT
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Which of the following hormones is common in both the categories of plant promoter and plant inhibitor?

1.GA

2.ABA

3.Auxin

4.Ethylene

Subtopic:  Ethylene |
 87%
From NCERT
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Which of the following is wrong?

1.ABA is Growth inhibiting regulator

2.Ethylene could fit either of the groups, inhibitors and activators.

3.Auxins, GA and Cytokinins are plant promoters

4.Ethylene is largely a promoter of growth activities

Subtopic:  Ethylene |
 85%
From NCERT
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