WAEC Biology 2023 Question 32

Question 32

Soil

Which of the following soil types have a high capillarity?

  1. A.Sand and clay
  2. B.Silt and clay
  3. C.Silt and sand
  4. D.Loam and sand
Show the answer and explanation

Answer: B (Silt and clay)

Explanation

Capillarity is high in soils with very small particles and fine pores, so water rises well in silt and clay but poorly in sand.