WAEC Agricultural Science 2023 Objective — Question 22

Question 22 of 50 from the West African Examinations Council (WAEC) Agricultural Science 2023 Objective paper, with the correct answer and a full explanation.

If the seed rate for the cultivation of cowpea is 25 kg per hectare, determine the quantity of cowpea seeds required to cultivate a farmland measuring 100 m by 500 m.

A. 50 kg
B. 125 kgCorrect
C. 250 kg
D. 1,250 kg

Explanation

1 hectare = 10,000 sq.m. Size of farmland = 100m x 500m = 50,000 sq.m. Since 25kg is required per hectare, mass required for 50,000 sq.m = (25kg/10,000 sq.m) x 50,000 sq.m = 125 kg.

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