Q.

A cell increases in volume when it is placed in -

A. Hypertonic solution
B. Hypotonic solution
C. Isotonic solution
D. None of these
Answer» B. Hypotonic solution
Explanation: When a cell is placed in a hypotonic solution, water rushes into the membrane, increasing the cell's volume. Eventually, the cell's membrane is enlarged such that it pushes against the cell's rigid wall. At this point the cell is said to be turgid.
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