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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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Preview questions
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
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