briefly discuss about the significance of following movement of plant
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briefly discuss about the significance of following movement of plant
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Answer:
Positive phototrophic movement: (photo: light, trophic: related to feeding and nutrition) So,the movement in response to light (sun) for nutritional or food purpose is positive phototrophic movement.
eg- bending of plants towards sunlight.
Positive thigmotrophic movement : movement of plant in response to touch or any other physical contact.
eg- mimosa pudica.
Positive hydrotrphic movement: Movement in the direction of water.
eg- growth of roots towards water.
Negative geotrophic movement: movement of plant opposite to the response for gravity.
eg- growth of plant (shoot) in upwards direction.
Positive geotrophic movement: growth response of a plant to gravity.
eg- growth of root .