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Trisomy X and Other Conditions

how is auxin ...

Question

how is auxin growth promoter when it inhibits growth of lateral bud (apical dominance)?

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Solution

Auxin is known as growth promoter because at low concentrations, it promotes cell enlargement, cell differentiation and fruit growth in plants. However, at high concentration it induces apical dominance in conjunction with cytokinins.

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Q. I. Assertion: The presence of apical bud inhibits the growth of lateral bud, this is called apical dominance.
II. Reason: Auxin is responsible for apical dominance.

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Reason : Removal of apical bud promotes lateral bud growth.

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Trisomy X and Other Conditions

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