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Question

Auxin develops at the tip of the stem. Its movement is largely

A
Acropetal
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B
Centropetal
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C
Basipetal
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D
Acropetal and basipetal
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Solution

The correct option is D Basipetal
Auxin is a plant hormone that is involved in various physiological processes. It promotes cell elongation. Hence, it is mostly produced in the meristematic region of the stem. It is also present on the tip of roots and buds. In stems, the movement of auxin is basipetal, that is movement is from apex towards the base. In roots the auxin transport is acropetal.
Thus, the correct answer is option C.

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