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WAEC Agricultural Science 2023 Question 19

Question 19

Irrigation and Drainage

Which of the following statements about underground drainage is true?

  1. A.Ditches are constructed to remove excess water.
  2. B.Water seeps into tiles to reach an outlet where it is discharged.
  3. C.Ditches are dug from a source of water to the farmland.
  4. D.Furrows are constructed to direct water out of the farmland.
Show the answer and explanation

Answer: B (Water seeps into tiles to reach an outlet where it is discharged.)

Explanation

Underground drains are buried tiles or pipes.