Gce Model Questions Vol1 2020 Agricultural Science Question 30
Practice objective / multiple choice question 30 from the 2020 Gce Model Questions Vol1 Agricultural Science examination.
In a cattle herd a contagious disease has a transmission coefficient \(\beta = 0.4\) day⁻¹ per infected animal and a recovery rate \(\gamma = 0.1\) day⁻¹. Initially 5 animals are infected out of a herd of 200. Assuming exponential growth of the infection with net rate \(r = \beta - \gamma\), after how many days will the number of infected animals reach 50? Give your answer to one decimal place.
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About This Question
This is Gce Model Questions Vol1 2020 Agricultural Science Question 30. It is one of the objective questions from the 2020 Gce Model Questions Vol1 Agricultural Science examination.
Difficulty level: Medium .
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