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Question
Explain why:
Raisins swell up in water.
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Solution
The raisins swell up when placed in water because the water is hypotonic as compared to the raisins so the water enters inside the raisins as a result of endosmosis.
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RELATED QUESTIONS
The figure given below is a diagrammatic representation of a part of the cross section of the root in the root hair zone. Study the same and then answer the questions that follow

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Given below is the diagrammatic representation of the transverse section of a part of a plant. Study it and answer the questions that follow:
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Study the experimental setup in the figure and then answer the question that follow.

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Fill in the Blank
Leaves get wilted if _________ is removed from the plant.
In the zone of absorption, epidermal cells form unicellular hair-like extensions called ________.
Inner layer of root hair is made up of ______.
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