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WAEC Agricultural Science 2021 Question 24

Question 24

Land Preparation and Cultural Practices

Okro seeds are sown on 0.72 hectares of farmland at a spacing of 60 cm by 60 cm. Calculate the expected plant population.

  1. A.3,600 plants
  2. B.7,200 plants
  3. C.10,000 plants
  4. D.20,000 plants
Show the answer and explanation

Answer: D (20,000 plants)

Explanation

0.72 ha = 7,200 m²; each plant has 0.6 × 0.6 = 0.36 m²; 7,200 ÷ 0.36 = 20,000.