WAEC Biology 1999 Question 4

Question 4

Transport in Plants

Root hairs absorb water from the soil by

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

Answer: B (osmosis)

Explanation

The cell sap of root hairs is more concentrated than soil water, so water enters through the membrane by osmosis.