WAEC Agricultural Science 2022 Objective — Question 7
Question 7 of 50 from the West African Examinations Council (WAEC) Agricultural Science 2022 Objective paper, with the correct answer and a full explanation.
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A combine harvester can be used simultaneously to harvest
- A. legumes and apply fertilizer
- B. grains and eradicate weeds
- C. tubers and distribute fertilizer
- D. cereals and winnow grainsCorrect
Explanation
A combine harvester combines harvesting and threshing of cereal/grain crops — it cuts the crop, separates the grain from the stalks, and cleans (winnows) the grain by separating it from the chaff, all in one pass.
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