Neco 2019 Agricultural Science Question 35
Practice objective / multiple choice question 35 from the 2019 Neco Agricultural Science examination.
A tomato farmer observes early‑blight symptoms on the lower leaves. The initial infected leaf area is 2 % of the total leaf area. The disease spreads such that each day the infected area increases by 40 % of the current infected area. (i) After how many whole days will at least 50 % of the leaf area be infected? (ii) The recommended fungicide dosage is 2.5 L per hectare for every 10 % increase in infection beyond the first 10 %. If the farm has 3 hectares of tomatoes, how many litres of fungicide are needed when infection reaches 50 %?
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About This Question
This is Neco 2019 Agricultural Science Question 35. It is one of the objective questions from the 2019 Neco Agricultural Science examination.
Difficulty level: Medium .
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