Neco Model Questions Vol1 2025 Agricultural Science Question 4
Practice objective / multiple choice question 4 from the 2025 Neco Model Questions Vol1 Agricultural Science examination.
In a maize field of 2000 plants, 12% show symptoms of blight (B), 9% show leaf‑spot (L) and 3% show both diseases. A fungicide is 80% effective against blight, 70% effective against leaf‑spot and only 60% effective on plants suffering both diseases. After uniform application, how many plants are expected to remain diseased (showing at least one symptom)?
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About This Question
This is Neco Model Questions Vol1 2025 Agricultural Science Question 4. It is one of the objective questions from the 2025 Neco Model Questions Vol1 Agricultural Science examination.
Difficulty level: Medium .
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