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प्रश्न
Put a tick mark (✓) against the correct alternative in the following statement:
Infectious diseases can be prevented by:
- Medicines
- Proper food
- Immunisation
- Exercise
उत्तर
Immunisation
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
