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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 (B) The concentration of water molecules in surrounding medium is higher than water molecules concentration in the cell (C) The concentration of water molecules is same in the cell and in the surrounding medium (D) Concentration of water molecules does not matter |
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Answer» ong>Answer: B Explanation : In a hypotonic solution the concentration of outer solution (in which the cell is placed) is LOWER than concentration of cell sap. When a cell is placed in hypotonic solution then endosmosis i.e. ENTRY of WATER from outside to the cell through plasma membrane occurs which makes the cell again turgid and it SWELLS up. |
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