(D) The correct answer is $D$. Widal test (developed by $G.F.I$ Widal) is a serological agglutination test used for the diagnosis of typhoid fever. It

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

(D) The correct answer is $D$. Widal test (developed by $G.F.I$ Widal) is a serological agglutination test used for the diagnosis of typhoid fever. It detects the presence of antibodies against the $Salmonella$ $typhi$ bacterium in the patient's serum. This test helps in confirming the infection caused by $Salmonella$ $typhi$.