Class 12 NEET Biology Human Health and Diseases Questions Part 1

Tuberculosis is an infectious disease usually caused by Mycobacterium tuberculosis bacteria. Tuberculosis generally affects the lungs, but can also affect other parts of the body. Widal test is a serological test that is done for the diagnosis of typhoid fever. This test detects the ''0 ''and '' H'' antigen of Salmonella typhi.
So, the correct answer is 'Widal test'.