Class/Course - Class IX

Subject - Science

Chapter - The Fundamental Unit Of Life

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Q.1 Following are a few definitions of osmosis. Read carefully and select the correct definition.
  movement of water molecules from a region of higher concentration to a region of lower concentration through a smipermeable membrane
  movement of solvent molecules from its higher concentration to lower concentration.
  movement of solvent molecules from higher concentration to lower concentration of solution through permeable membrane.
  movement os solute molecules from lower concentration to higher concentration of solution through a semipermeable membrane.