Identify the correct pair representing the causative agent of typhoid fever and the confirmatory test for typhoid.
- Salmonella typhi/ Anthrone test
- Salmonella typhi/ Widal test
- Plasmodium vivax/ UTI test
- Streptococcus pneumoniae/ Widal test
Answer
(2) Salmonella typhi/ Widal test
Solution
As per NCERT, Salmonella typhi is a pathogenic bacterium which causes typhoid fever in human beings, and typhoid fever could be confirmed by the Widal test.
Plasmodium vivax causes malaria and Streptococcus pneumoniae causes pneumonia; the anthrone test is used for carbohydrates.
Answer: (2)