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 scotochromogen- 
Select and explain. 
A. M. scrofulaceum, B. M. ulcerans, C. M. Kansasii, D. M. fouitum
A: M. scrofulaceum
Answer: A: M. scrofulaceum 
Explanation: Ans. is 'a' i.e., M. Scrofulaceum