This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Bacteria, Subject name: Microbiology
True about Mycoplasma: 
Select and explain. 
A. CO2 is important for growth, B. Does not cause hemolysis, C. May be commensal in throat, D. Acid fast bacillus
C: May be commensal in throat
Answer: C: May be commensal in throat 
Explanation: Ans. is 'c' i.e., May be commensal in throat(Ref: Ananthanarayan, 8th/e, 589, 7th/e, p. 600 and 9th/e, p. 386; Harrison, 19th/e, p. 1163)