Waec Model Questions Vol1 2019 Agricultural Science Question 47
Practice objective / multiple choice question 47 from the 2019 Waec Model Questions Vol1 Agricultural Science examination.
A 5‑ha maize field is infested with stem borer. The recommended chemical control requires 0.75 L of a 250 g L⁻¹ formulation per hectare. The pesticide costs ₦120 per litre. An alternative is a biological control using Bt maize seed costing ₦1,500 per hectare; it reduces the usual 25 % yield loss by 30 %. The market price of maize is ₦30 per kg and the attainable yield without pest damage is 4,000 kg ha⁻¹. Which control method gives the higher net profit per hectare?
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About This Question
This is Waec Model Questions Vol1 2019 Agricultural Science Question 47. It is one of the objective questions from the 2019 Waec Model Questions Vol1 Agricultural Science examination.
Difficulty level: Medium .
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