The name of a plant growth regulator extracted from a fungus by Yabuta and Hayashi is

Auxin

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Gibberellin

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Kinetin

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Abscisic acid

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Solution

The correct option is B
Gibberellin

The gibberellins are metabolic products of the fungus Gibberella fujikuroi .
Yabuta, Hayashi and Sumiki (1938) isolated gibberellin in crystalline form and identified gibberellin-A andgibberellin-B from their original preparation

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Similar questions

Question 12
Which of the following is not associated with growth of plants?

(a) Auxin
(b) Gibberellins
(c) Cytokinins
(d) Abscisic acid

Question 12
Which of the following is not associated with growth of plants?

(a) Auxin
(b) Gibberellins
(c) Cytokinins
(d) Abscisic acid

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