Question

Define positive and negative geotropism.
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Answer 1

Geotropism is the response of plant parts to the gravity. Negative geotropism is growth of part of plant against the gravity. Positive geotropism is growth of part of plant in the direction of gravity.

Answer 2

your answer

positive geotropism:-- tendency of root to grow downward.

negative geotropism:-- tendency of root to grow upward

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