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JAMB Biology 1979 Question 7

Question 7

Cell and Its Environment

The movement of molecules from a region of higher concentration to one of lower concentration is

  1. A.diffusion
  2. B.transpiration
  3. C.osmosis
  4. D.translocation
  5. E.plasmolysis.
Show the answer and explanation

Answer: A (diffusion)

Explanation

Diffusion is the net movement of molecules down a concentration gradient; osmosis is the special case of water through a membrane.