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Growth Related Movement in Plant

A researcher ...

Question

A researcher performed an experiment to study the effect of a particular plant hormone ‘H’ on plant growth.

Identify the plant hormone ‘H’ based on the results obtained as shown in the above figure.

A

Auxin

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B

Gibberellin

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C

Cytokinin

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D

Abscisic acid

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Solution

The correct option is B Gibberellin
Gibberellin induces internodal elongation in all types of plants including genetically dwarf plants. It also causes elongation of stems in plants with rosette habits. So, the given phytohormone H is Gibberellin.

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