moment of molecules are seen in plants by five ways name and explain.
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Answer:
Types of movement in plants:
- Phototropism.
- Gavitropism.
- Thigmotropism.
- Chemotropism.
- Hydrotropism.
Phototropism
Plants grow towards or away from the light, the type of tropism in the response to light is called phototropism. In general, the stems usually show positive phototropism, while roots show negative phototropism. Leaves also positively respond toward the source of light.
Gavitropism
It is a type of tropism where plants show some growth in response to gravity. Stems are negative to the gravitropism while roots are positive to the gravitropic. This is also referred to as geotropism. Among different parts of plants, the primary roots and certain other portions of the root system show positively geotropic by growing directly towards the centre of gravity.
Chemotropism.
There are few chemical substances, which are actively responsible for bringing a curvature movement in plant organs. When plants grow in response to certain chemicals, this type of response is known as chemotropism.
Thigmotropism.
The growing or developing movements made through plants in response to contact with a solid object are called thigmotropism. These type of movements are usually seen in tendrils and twiners.
Hydrotropism
The movement or the growth of a plant in relation to the stimulus of water are called hydrotropic movements and the equivalent response to the stimulus of water is called hydrotropism.
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