The Fundamental Unit of Life · Class 9 · CBSE Science

If a fresh plant cell is placed in a hypertonic solution, what will happen to it?

Practice question from The Fundamental Unit of Life (Class 9 · CBSE Science), with the correct answer and a step-by-step solution.

medium · MCQ · Q-002912

If a fresh plant cell is placed in a hypertonic solution, what will happen to it?

  1. A.Endosmosis will occur, causing the cell to swell.
  2. B.Plasmolysis will occur, causing the protoplasm to shrink away from the cell wall.Correct answer
  3. C.The cell will burst due to excess water entry.
  4. D.No change will take place in the cell.

Solution

In a hypertonic solution (higher solute concentration outside), water moves out of the plant cell by osmosis (exosmosis). This causes the contents of the cell to shrink away from the cell wall, a process known as plasmolysis.

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