Which one of the following sets is correctly matched?

(1) Diphtheria, Pneumonia and Leprosy: Hereditary

(2) AIDS, Syphilis and Gonorrhoea: Bacterial

(3) Colour blindness, Haemophilia and Sickle cell anaemia: Sex linked

(4) Polio, Japanese B encephalitis and Plague: Viral

(a) only 2 (b) only 3 (c) 1 and 4 (d) None of these

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(d) Diphtheria, Leprosy, Plague are Bacterial diseases. AIDS, Polio, Pneumonia, Gonorrhoea, Syphilis- Viral disease. Japanese B encephalitis – Protozoan disease. Colour blindness and Haemophilia – Sex linked disease. Sickle cell anaemia is a genetic disease in which RBC became sickle shaped.

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