WAEC Agricultural Science 2025 Objective — Question 29
Question 29 of 50 from the West African Examinations Council (WAEC) Agricultural Science 2025 Objective paper, with the correct answer and a full explanation.
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Using the diagram above, if cowpea was planted on the farmland at a spacing of 25cm by 90cm at two seeds per hole, determine the expected plant population of cowpea plants
- A. 355 plants
- B. 444 plants
- C. 667 plants
- D. 888 plantsCorrect
Explanation
Area = 100m². Spacing = 25cm x 90cm = 0.25m x 0.9m = 0.225m². Number of holes = 100m² / 0.225m² = 444.44 ≈ 444. Since there are two seeds per hole, number of plants = 444 x 2 = 888.
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