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
All are rapid growers except - 
Select and explain. 
A. M.fouitum, B. M.chelonae, C. M.avium intracellulare, D. M. Smegmatis
C: M.avium intracellulare
Answer: C: M.avium intracellulare 
Explanation: Ans. is 'c' i.e., M.avium intracellulare