Neco 2021 Agricultural Science Question 45
Practice objective / multiple choice question 45 from the 2021 Neco Agricultural Science examination.
In a herd study, 40 of 200 vaccinated cattle developed disease X, while 90 of 300 unvaccinated cattle developed the disease. Calculate the relative risk (RR) of disease in vaccinated versus unvaccinated cattle, and state whether vaccination appears protective.
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About This Question
This is Neco 2021 Agricultural Science Question 45. It is one of the objective questions from the 2021 Neco Agricultural Science examination.
Difficulty level: Medium .
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