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WAEC Agricultural Science 2024 Question 5

Question 5

Farm Machinery and Mechanisation

A major difference between disc harrow and disc plough is that

  1. A.disc plough has more discs than disc harrow.
  2. B.discs in disc plough are spaced far apart than in disc harrow.
  3. C.disc plough has two pairs of gangs while disc harrow has one pair of gangs.
  4. D.disc plough has smaller discs than disc harrow.
Show the answer and explanation

Answer: B (discs in disc plough are spaced far apart than in disc harrow.)

Explanation

Plough discs are big, few and far apart; harrow discs are small, many and close together.