Multiple choice

If a cell is placed in isotonic solution, it will

  1. shrink

  2. plasmolyse

  3. swell

  4. remain unchanged

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

In an isotonic solution, the solute concentration is equal inside and outside the cell, so there is no net movement of water. The cell neither swells (hypotonic) nor shrinks (hypertonic), remaining unchanged in size.

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