Multiple choice

A cell increases in volume if external medium is ___________.

  1. isotonic

  2. hypertonic

  3. hypotonic

  4. slightly hypertonic

  5. no matter whether the medium is hypertonic or hypotonic

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

If the water concentration of the cell cytoplasm is lower then that of the medium (i.e., the medium is a hypotonic solution) surrounding the cell then osmosis will result in the cell gaining water.