Human Health and Diseases Question 33

33. It is not possible to apply Koch’s postulates to

[1999]

(a) Diptheria

(b) Cholera

(c) Leprosy

(d) Tuberculosis

Show Answer

Answer : c

Hints & Solutions

(c) Koch’s postulates are not applicable to the bacteria causing leprosy and syphilis. Mycobacterium leprae causing leprosy produces endospores on which Koch’s postulates are not applicable, because Mycobacterium leprae cannot be cultured in vitro.