Multiple choice questions XXXXI — task. Science CBSE, Class 9.

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1. What factors could potentially cause the development of a disease?

Getting enough sleep
Having a balanced diet
Exercising properly
Poor personal hygiene

2. Identify the group from the options given below, which includes all diseases caused by bacteria:

Malaria, anthrax, Typhoid
Kala-azar, influenza, tuberculosis
Tuberculosis, anthrax, dengue
Typhoid, tuberculosis, anthrax

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