This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Microbiology
Which of the following is a test for brucellosis ? 
Select and explain. 
A. Milk ring test, B. Stomach bowel test, C. Rose wailer test, D. Paul bunnel test
A: Milk ring test
Answer: A: Milk ring test 
Explanation: Ans. is 'a' i.e., Milk ring test Tests for detection of brucellosis in herds of cattle. 1) Rapid plate agglutination test 2) Rose bengal card test Tests to detect antibodies in milk. 1) Milk ring test 2) Whey agglutination test