2
Question
The movement of stems and roots in response to pull of gravity is known as:
The movement of stems and roots in response to pull of gravity is known as:
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Solution
The correct option is A Geotropism
- Geotropism is the movement or growth of parts of plants in response to the force of gravity. The upward growth of plant shoots is negative geotropism; the downward growth of roots is positive geotropism.
- Hydrotropism is the growth or turning of plant roots towards moisture (water).
- Thigmotropism is a movement in which a plant moves or grows in response to touch or stimuli.
- Chemotropism is the growth or movement of a plant or plant parts in response to a chemical stimulus.
So, the correct answer is option A.
- Geotropism is the movement or growth of parts of plants in response to the force of gravity. The upward growth of plant shoots is negative geotropism; the downward growth of roots is positive geotropism.
- Hydrotropism is the growth or turning of plant roots towards moisture (water).
- Thigmotropism is a movement in which a plant moves or grows in response to touch or stimuli.
- Chemotropism is the growth or movement of a plant or plant parts in response to a chemical stimulus.
So, the correct answer is option A.
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