What happens to a plant cell in an isotonic solution?

What happens to a plant cell in an isotonic solution?
  1. The cell shrinks
  2. The cell swells
  3. The cell remains unchanged
  4. The cell plasmolyses

Solution

In an isotonic solution, the external solution balances the osmotic pressure of the cytoplasm, so there is no net flow of water towards the inside or outside, and the cell remains unchanged.

Asked in: NCERT

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