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Question

What would happen to a plant cell placed in a hypotonic solution?

A
Lyse
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B
Swell but remain intact
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C
Shrivel
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D
Remain unchanged
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E
Take up solutes
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Solution

The correct option is A Swell but remain intact
Plant cells are enclosed by rigid cell walls. When it is placed in a hypotonic solution (the solution which has a lower solute concentration than the cell), the process of osmosis takes place. Water moves from external environment to the cell and thus, the cells start to swell, however, rigid cell walls prevent it from bursting and therefore it remains intact and cells become turgid (that is swollen and hard).
Hence option B is correct.

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