How does phototropism occur in plants ?
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♤ The directional or the tropic movement of plants towards the light or away from the light is called photoprism.
♤ The shoots respond by bending towards light , while roots respond by bending away from the light.
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Phototropism
The directional movement of plant in response to light is called phototropism.
How does it occurs?
• A plant harmone called Auxin which is a growth harmone is used to of residing in shady areas.
• When a potted plan is kept near window then the auxins move in shady part away from light.
• Hence the shadier side starts growing faster and plant bends towards light.
• Here the shoot shows positive phototropism and roots inversely bends away from light showing negative phototropism.
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