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Q. When a plasmolysis cells is placed in a hypotonic solution then water will move inside the cell. Which force causes this?

Rajasthan PMTRajasthan PMT 2002

Solution:

When a plasmolysed cell is placed in hypotonic solution i.e. of lower osmotic pressure it regains its normal shape and size due to DPD (Diffusion. Pressure Deficit).
$DPD = OP - TP$