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Biology Medium FPSC PPSC NTS Uploaded: 14 Jul 2026

What is the term for the movement of water from a region of high water concentration to low concentration through a semipermeable membrane?

  • A Diffusion
  • B Osmosis
  • C Active transport
  • D Endocytosis
Correct Answer: Option B — Osmosis
Explanation:
Osmosis is the movement of water molecules through a semipermeable membrane from a region of high water potential to low water potential without requiring energy.
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