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In which of the following cases blood cells will shrink: (a) when placed in water containing more than 0.9% (mass/ volume) NaCl solution. (b) when placed in water containing less than 0.9% (mass /volume) NaCl solution. (c) when placed in water containing 0.9% (mass/volume) NaCl solution. (d) when placed in distilled water. |
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Answer» Correct answer is (a)When placed in water containing more than 0.9% (mass/ volume) NaCl solution because fluid inside blood cells is isotonic with 0.9% NaCl solution. When concentration of solute outside of the cell is increased then due to osmosis the solvent inside the cell come out thus blood cell get shrink. Answer is (a) when placed in water containing more than 0.9% (mass/ volume) NaCl solution. because fluid inside blood cells is isotonic with 0.9% NaCl solution |
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