The movement of stems and roots in response to the force of gravity is called

Geotropism.

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Hydrotropism.

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Thigmotropism.

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Chemotropism.

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Solution

The correct option is A Geotropism.
The roots start growing downward while the stem grows upward. This response to gravity is called geotropism.

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Similar questions

What is the stimulus in :

(a) phototropism

(b) geotropism

(d) hydrotropism

(e) thigmotropism

The movement of a plant part in response to the force of attraction exerted by the earth is called:

(a) hydrotropism

(b) geotropism

(d) phototropism

Identify the incorrect statements from the following

1. Young stem of vine plant show positive phototropism and positive thigmotropism

2. Sunflower position itself facing the sun is showing positive response to heat generated due to exposure to sunlight

3. Roots show negative thigmotropism and positive hydrotropism

4. Roots show positive chemotropism to some chemical and negative chemotropism to some other chemicals

The movement of a shoot towards light is:

(a) geotropism

(b) hydrotropism

(d) phototropism

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