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Environment In Relation To Human Welfare Communicable Diseases - Questions and Answers

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1. The living agents of disease are
A. Viruses
B. Fungi
C. Helminthes
D. All the three
Explanation:
2. Endogenously formed chemical agents are
A. Urea
B. Uric acid
C. Urea and uric acid
D. Ammonia
Explanation:
3. Mycoplasma is a
A. Nutrient agent
B. Physical agent
C. Biological agent
D. Chemical agent
Explanation:
4. Recognizable signs of disease are called
A. Symptoms
B. Agents
C. Factors
D. Pathogens
Explanation:
5. The entry and development of an infectious agent in the body of man is called
A. Symptom
B. Transmission
C. Infection
D. Incubation
Explanation:
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