Waec Model Questions Vol1 2023 Agricultural Science Question 3
Practice objective / multiple choice question 3 from the 2023 Waec Model Questions Vol1 Agricultural Science examination.
A 5‑ha maize field contains 25,000 plants per hectare. Initially the incidence of leaf blight is 12 %. After a fungicide is applied only to the 60 % of the field (Zone A), the disease incidence in Zone A falls to 3 % while the remaining 40 % (Zone B) stays at 12 %. How many plants in the whole field are saved from infection because of the fungicide?
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About This Question
This is Waec Model Questions Vol1 2023 Agricultural Science Question 3. It is one of the objective questions from the 2023 Waec Model Questions Vol1 Agricultural Science examination.
Difficulty level: Medium .
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