Q. Widal test is used for the diagnosis of :
(a) Typhoid
(b) Malaria
(c) Pneumonia
(d) Tuberculosis
Solution : Correct option : A Widal test is a serological test that is done for the diagnosis of typhoid fever. This test detects the ”0 ”and ” H” antigens of Salmonella typhi. So, the correct answer is the ‘Typhoid’.