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WAEC Biology 2014 Question 39

Question 39

Soil

Which of the statements below explains why fertilizers are added to soils?

  1. A.Increasing the humus content of the soil
  2. B.Improving the water-retaining property of the soil
  3. C.Increasing the nutrient level of the soil
  4. D.Preventing soil erosion.
Show the answer and explanation

Answer: C (Increasing the nutrient level of the soil)

Explanation

Fertilizers add mineral nutrients such as nitrogen, phosphorus and potassium that crops need.