Which of the following is a pair of viral diseases?
- Ringworm, AIDS
- Common Cold, AIDS
- Typhoid, Tuberculosis
- Dysentery, Common Cold
Answer
(2) Common Cold, AIDS
Solution
Common cold is caused by rhinoviruses and AIDS by HIV (a retrovirus) ⇒ both are viral.
Ringworm – fungi ( Microsporum, Trichophyton, Epidermophyton); typhoid – bacterium Salmonella typhi; tuberculosis – bacterium Mycobacterium tuberculosis; dysentery – bacteria or protozoa.
Answer: (2)