JAMB Biology 1985 Question 50

Question 50

Soil

The initial volume of water poured into a bag of dry soil was 50ml and the amount that drained through was 35ml. The percentage water content of the fully soaked soil is therefore

  1. A.46.7
  2. B.25.0
  3. C.20.0
  4. D.30.0
  5. E.58.3.
Show the answer and explanation

Answer: D (30.0)

Explanation

Water held by the soil = 50 − 35 = 15 ml. As a percentage of the water added: 15/50 × 100 = 30.0%.