MCQ practice · SSC Biology Board questions · Chapter 7: Exchange of Gases
Which disease is not carried by germs?
Think it through first, then pick an option.
- a bronchitis
- b asthma
- c tuberculosis
- d pneumonia
Answer and explanation
Correct answer: b asthma
Asthma is neither contagious nor germ-borne; the other three come from germs.
Why the other options are wrong
- a bronchitis: "bronchitis" does not fit here. Asthma is neither contagious nor germ-borne; the other three come from germs.
- c tuberculosis: "tuberculosis" does not fit here. Asthma is neither contagious nor germ-borne; the other three come from germs.
- d pneumonia: "pneumonia" does not fit here. Asthma is neither contagious nor germ-borne; the other three come from germs.
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