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Question

______ is the growth movement of plant in response to certain chemicals.

A
Autotropism
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B
Chemotropism
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C
Phototropism
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D
Heterotropism
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Solution

The correct option is B Chemotropism

Chemotropism is the movement of plants in response to a chemical stimulus. A classic example of this type of movement is the growth of the pollen tube towards the ovule, during fertilization, in a flower.


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