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WAEC Agricultural Science 2006 Question 22

Question 22

Farm Machinery and Mechanisation

The function of the scraper on a disc plough is to

  1. A.scrape the top soil
  2. B.remove adhering soil from the disc
  3. C.open the furrow
  4. D.balance the plough
Show the answer and explanation

Answer: B (remove adhering soil from the disc)

Explanation

The scraper keeps sticky soil off the disc.