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WAEC Agricultural Science 2022 Question 7

Question 7

Farm Machinery and Mechanisation

A combine harvester can be used simultaneously to harvest

  1. A.legumes and apply fertilizer.
  2. B.grains and eradicate weeds.
  3. C.tubers and distribute fertilizer.
  4. D.cereals and winnow grains.
Show the answer and explanation

Answer: D (cereals and winnow grains.)

Explanation

A combine reaps, threshes and cleans (winnows) grain in one pass.