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प्रश्न
What are communicable diseases? How can they be avoided?
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उत्तर
Those disease which spread from one person to another by the entry of microorganisms are known as communicable diseases. The disease-causing germs are called Pathogens. These disease can be avoided by proper vaccination, healthy food and hygenic surroundings.
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संबंधित प्रश्न
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Germ of germ-substance introduced into the body to prevent occurrence of an infectious disease.
Put a tick mark (✓) against the correct alternative in the following statement:
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Diseases
Multiple choice questions. Tick (✓) the correct choice:
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