Neco Model Questions Vol1 2020 Agricultural Science Question 4
Practice objective / multiple choice question 4 from the 2020 Neco Model Questions Vol1 Agricultural Science examination.
A field of \(10{,}000\) tomato plants is surveyed for early blight. Initially, \(1{,}200\) plants show symptoms. After applying a new fungicide, a follow‑up survey records only \(300\) symptomatic plants. (a) Calculate the percentage reduction in disease incidence achieved by the fungicide. (b) Does the fungicide meet the efficacy threshold of \(80\%\) control? Answer with the percentage reduction and a yes/no.
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About This Question
This is Neco Model Questions Vol1 2020 Agricultural Science Question 4. It is one of the objective questions from the 2020 Neco Model Questions Vol1 Agricultural Science examination.
Difficulty level: Medium .
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