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Question

Cytokinin is a hormone whose main function is ..................

A
Induction of cell division and delay in senescence
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B
To take part in cell division
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C
Refers to cell movements
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D
To cause dormancy
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Solution

The correct option is A Induction of cell division and delay in senescence
Cytokinins are a class of plant growth substances that promote cell division, or cytokinesis, in plant roots and shoots. They are derivatives of pure adenine. It is a true cell division factor, promotes meristematic tissue regions. It prevents destruction of chlorophyll in leaves.

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