Question

The response of plants to gravity is known as geotropism .How are plants parts sensitive to gravity ? EXPLAIN THEM BY GIVING SUITABLE EXAMPLES.

Answer 1

plants parts are sensitive to the gravity as -

1. the stem or shoot of the plant grow in opposite to the direction of gravity and hence known as negative geotropism

2. plants roots grow in the direction of gravity and hence known as positive geotropism

example - the flower of sunflower grow in opposite to the direction of gravity and roots of the sunflower plant grow in direction of gravity

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