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

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1. The diseases which are present since birth are

Congenital diseases
Allergies
Deficiency diseases
Communicable diseases

2. Which one of the following is correctly paired?

AIDS - Develops immune system
Inflammation - Swelling and pain
Antibiotic - Hepatitis
Vaccination - Weakens the immune system

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