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 of the following are acid fast bacteria except: 
Select and explain. 
A. Cryptosporidia, B. Mycoplasma, C. Mycobacteria, D. Nocardia
B: Mycoplasma
Answer: B: Mycoplasma 
Explanation: Ans. is. 'b' i. e., Mycoplasma