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WAEC Biology 1994 Question 3

Question 3

Transport in Plants

The two important physical processes involved in the absorption and transport of materials in plants are

  1. A.diffusion and plasmolysis
  2. B.cohesion and diffusion
  3. C.flacidity and turgidity
  4. D.osmosis and diffusion
  5. E.plasmolysis and capillarity
Show the answer and explanation

Answer: D (osmosis and diffusion)

Explanation

Water enters root hairs by osmosis and many dissolved substances and gases move by diffusion.