Waec Model Questions Vol1 2017 Agricultural Science Question 14
Practice objective / multiple choice question 14 from the 2017 Waec Model Questions Vol1 Agricultural Science examination.
A flock of 200 chickens is threatened by Newcastle disease. The disease causes a 30 % mortality within four days if the birds are unprotected. A vaccine costing ₦250 per bird provides 90 % protection against the disease. If the farmer vaccinates the entire flock before an outbreak, how many chickens are expected to survive the disease?
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About This Question
This is Waec Model Questions Vol1 2017 Agricultural Science Question 14. It is one of the objective questions from the 2017 Waec Model Questions Vol1 Agricultural Science examination.
Difficulty level: Medium .
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