Free practice on Health Hazards for Class 3, following the Cameroon primary school curriculum (English subsystem). Every answer is explained, so a parent who is not sure of the answer can still help.
A health hazard is anything that can make people sick. Stagnant dirty water lets mosquitoes breed. Piles of refuse attract flies. Both can spread disease in your neighbourhood.
Common health hazards: Stagnant water · Uncollected refuse · Blocked drains
A vaccine helps your body fight off a particular disease before you even catch it. That is why children get vaccinated. Vaccines are an important part of staying healthy.
Which of these is a health hazard in many localities?
Answer: C. Stagnant dirty water
Stagnant water lets mosquitoes breed and can carry diseases.
What can cause many health hazards in a community?
Answer: D. Poor waste disposal
A vaccine helps the body to:
Answer: A. fight off a particular disease
Why are vaccines important for children?
Answer: B. They protect against serious diseases
Which place is most likely to breed mosquitoes?
Answer: C. A stagnant gutter
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