CBSE · Class 12 · Biology · Human Health and DiseasesWhich of the following diagnostic tests is used for the confirmation of Typhoid fever?
Step-by-Step Solution
The correct answer is Widal test. Typhoid fever is caused by the pathogenic bacterium Salmonella typhi. The Widal test is a serological test used to detect specific agglutinating antibodies against the O and H antigens of Salmonella typhi in the serum of an infected individual.
Detailed Options Breakdown
Option : ELISA test
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Human Health and Diseases.
Option 1: Widal test (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 2: PCR test
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Human Health and Diseases.
Option 3: Western Blot test
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Human Health and Diseases.
💡 Study Guide: This question tests core syllabus concepts from Human Health and Diseases. For formulas, key summaries, and mock exam reference guides, read the full Human Health and Diseases Revision Notes.