Waec Model Questions Vol1 2022 Agricultural Science Question 38
Practice objective / multiple choice question 38 from the 2022 Waec Model Questions Vol1 Agricultural Science examination.
In a soybean field there are 30 000 plants per hectare, each currently infested with an average of 5 aphids. Each aphid causes a loss of 0.02 kg of beans per plant. The market price of beans is ₦25 per kg. An insecticide costing ₦12 000 per hectare reduces the aphid population by 80 %. Should the farmer apply the insecticide? Answer Yes or No with explanation.
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About This Question
This is Waec Model Questions Vol1 2022 Agricultural Science Question 38. It is one of the objective questions from the 2022 Waec Model Questions Vol1 Agricultural Science examination.
Difficulty level: Medium .
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