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WAEC Biology 2015 Question 30

Question 30

Soil

The capillarity of a soil refers to

  1. A.the particle size of soil.
  2. B.how easily water passes through soil.
  3. C.how water rises up in soil.
  4. D.proportion of water a soil holds.
Show the answer and explanation

Answer: C (how water rises up in soil.)

Explanation

Capillarity is the rising of water from below through the tiny pore spaces between soil particles. How easily water drains through soil is a different property, permeability.