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Question

When a plasmolysed cell is placed in a hypotonic solution, then water will move inside the cell. Which of the following force is responsible for this?

A
DPD
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B
OP
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C
WP
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D
None of the above
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Solution

The correct option is A DPD
Movement of water inside or outside a cell depends on diffusion pressure deficit or DPD, which depends on osmotic pressure and turgor pressure. In fact DPD is calculated by the relation OP - TP. Osmotic pressure alone or turgor pressure alone cannot decide movement of water into or out from a cell.

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