A cell will swell up if :

(a) the concentration of water molecules in the cell is higher than the concentration of water molecules in surrounding medium.

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(b) the concentration of water molecules in surrounding medium is higher than the water molecule concentration in the cell.

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(d) the concentration of water molecules doesn't matter.

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Solution

The correct option is B
(b) the concentration of water molecules in surrounding medium is higher than the water molecule concentration in the cell.

The correct option is B:
Explanation: solvent (water) moves from higher concentration to lower concentration.

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A cell will swell up if :

The correct option is B (b) the concentration of water molecules in surrounding medium is higher than the water molecule concentration in the cell.The correct option is B:Explanation: solvent (water) moves from higher concentration to lower concentration.

The correct option is B
(b) the concentration of water molecules in surrounding medium is higher than the water molecule concentration in the cell.

The correct option is B:
Explanation: solvent (water) moves from higher concentration to lower concentration.