Do you know that even plants move, though very slowly? In simple words, we can define tropism as the movement of plants in response to stimuli. The different tropic movements in plants help them to adapt to different situations and survive.
So, when a plant shows some growth movement in response to a stimulus, it is called as tropism. Plants may either show a positive or negative movement as a response to a stimulus. If the movement is towards the direction of stimuli, it is known as positive tropism, if the movement is away from the stimuli, it is known as negative tropism. Some different types of tropism in plants are mentioned below.
Phototropism: Plants grow towards or away from the light, the types of tropic movement in plants in the response to light is called phototropism.
Gravitropism: It is a type of tropism where plants show some growth in response to gravity.
Chemotropism: 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.
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.
Thermotropism: It is the form of a tropic movement in which a plant or a part of the plant respond to the changing atmospheric temperature.
Check out more information about the tropism in plants here- https://byjus.com/biology/tropic-move...
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Tropic Movements In Plants | Tropism cbset | |
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| Education | Upload TimePublished on 28 Sep 2018 |
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