Gce Model Questions Vol1 2025 Agricultural Science Question 41
Practice objective / multiple choice question 41 from the 2025 Gce Model Questions Vol1 Agricultural Science examination.
A cattle herd consists of 200 animals. The disease affecting the herd has a basic reproduction number \(R_0 = 3.5\). A vaccine available for the disease is 80 % effective in preventing infection. (i) Calculate the minimum proportion of the herd that must be vaccinated to achieve herd immunity. (ii) Based on this proportion, determine the minimum number of animals that need to be vaccinated (round up to the next whole animal). (iii) If each vaccine dose costs ₦150 and the farmer has a budget of ₦18 000, is the budget sufficient? If not, what is the greatest number of animals that can be vaccinated within the budget?
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About This Question
This is Gce Model Questions Vol1 2025 Agricultural Science Question 41. It is one of the objective questions from the 2025 Gce Model Questions Vol1 Agricultural Science examination.
Difficulty level: Medium .
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