Which of the following part of the plant shows negative geotropism?

Leaves

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Stems

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Roots

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Both A and B

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Solution

The correct option is B Both A and B
Tropic moments can be defined as the growth moments in plants in which the direction of the external stimulus is a factor.
Geotropism Is the growth of the parts of plants in response to the force of gravity.
The upward growth of plant shoots(leaves, stem) against the gravitational force is called as negative geotropism and the downward growth of roots is positive geotropism.
Hence the parts of the plant which shows negative geotropism are leaves and stem.
So, the correct answer is 'Both A and B'.

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(b) Name the part Y of plant.
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