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NHPC practice set VII
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NHPC practice set VII
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Question
Your answer
1. Purest water in nature is from
2. Sullage is
3. Which part of chlorine disinfection is most effective?
4. The commonest physical health hazard is
5. Epidemiology is the study of
6. The incidence rate is measured by
7. Incidence rate refers to:
8. Incubation periods of measles is
9. Elimination of leprosy is defined as
10. Major cause of enteric fever is:
