Cytokinesis promoting substance was crystallised by

1.Skoog and Darwin

2.Skoog and Miller

3.Kurosawa

4.Cousins

Subtopic:  Cytokinin |
 88%
From NCERT
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Kinetin term was used for …..by…

1.Cytokinins, Darwin

2.Cytokinin, Skoog And Miller

3.ABA, Darwin

4.ABA, F. Skoog

Subtopic:  Cytokinin |
 94%
From NCERT
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Which of the following is not ABA?

1.Inhibitor-B

2.Abcission II

3.Dormin

4.Bakane

Subtopic:  Abscisic Acid |
 93%
From NCERT
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Three independent researches reported which of the following PGR?

1.ABA

2.Ethylene

3.Auxin

4.Cytokinin

Subtopic:  Abscisic Acid |
 75%
From NCERT
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Cousins confirmed the release of a volatile substance from ripened oranges that

1.Hastened the ripening of already ripened bananas

2.Hastened the ripening of unripened banana

3.Slowed the ripening of unripened bananas

4.Slowed the ripening of oranges

Subtopic:  Ethylene |
 89%
From NCERT
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Auxin means

1.To escape

2.To slow

3.To grow

4.To fasten

Subtopic:  Growth Hormones & Auxin |
 85%
From NCERT
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Auxins was first isolated from

1.Human serum

2.Human urine

3.Human stool

4.Human saliva

Subtopic:  Growth Hormones & Auxin |
 96%
From NCERT
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Which of the following is not isolated from plants?

1.NAA

2.IAA3

3.IBA

4.GA3

Subtopic:  Growth Hormones & Auxin | Auxin Function |
 83%
From NCERT
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Auxins

Find the odd one.

1.Initiate rooting in stem cuttings

2.Promote flowering e.g. Pineapples

3.Prevent fruit and leaf drop at early stages

4.Prevent the abscission of older mature leaves and fruits

Subtopic:  Growth Hormones & Auxin | Auxin Function |
 81%
From NCERT
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In most higher plants, the growing apical bud inhibits the growth of …….. or axillary buds, a phenomenon called………….

1.Lateral, lateral Dominance

2.Lateral, Apical Dominance

3.Apical, Lateral Dominance

4.Apical, Apical Dominance

Subtopic:  Growth Hormones & Auxin | Auxin Function |
 88%
From NCERT
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