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Class IX Science Quiz: Why Do We Fall Ill?

Class IX
Science
Why Do We Fall Ill?
13 questions
HARD

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1. What is the primary cause of infectious diseases?

Genetic mutations · Pathogens · Environmental factors · Poor nutrition

2. Which of the following is NOT a type of pathogen?

Bacteria · Viruses · Fungi · Antibodies

3. What is the term for the period between infection and the appearance of symptoms?

Incubation period · Contagious period · Recovery period · Chronic phase

4. Which of the following diseases is caused by a virus?

Tuberculosis · Malaria · Influenza · Typhoid

5. What is a common mode of transmission for many infectious diseases?

Direct contact · Airborne particles · Water contamination · All of the above