Explain phototropism with example....
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Phototropism is the growth of a plant in the direction of its light source. Plants are very sensitive to their environment. A tropism is the growth of a plant as a response to a stimulus and phototropism occurs when a plant responds of light by bending in the direction of the light. Plant Harmones called auxins play an important role in phototropism.
Example_ Movement of shoot of plants upwards towards light.
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Phototropism is the growth of a plant in the direction of its light source. Plants are very sensitive to their environment. A tropism is the growth of a plant as a response to a stimulus and phototropism occurs when a plant responds of light by bending in the direction of the light. Plant Harmones called auxins play an important role in phototropism.
Example_ Movement of shoot of plants upwards towards light.
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Examples of Phototropism. ... Positive phototropism is growth toward a light source, and negative phototropism is growth away from a light source. Plant roots tend to exhibit negative phototropism, because they need to grow deeper into the ground for plant stability, water, and nutrients
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