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
Correct Answer: B
Solution :
[b]| Osmosis is a spontaneous process where movement of solvent molecules occurs into a region of higher solute concentration from lower solute concentration through a partially permeable membrane, so as to tend to equalise the solute concentration on the two sides. |
| When movement of the solvent takes place from outside to inside the all (inward movement) the process is endosmosis. It occurs in hypotonic solution and causes the swelling of cell. |
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