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
True about H. influenza: 
Select and explain. 
A. Grown on sheep blood agar and CO,, B. It is not capsulated, C. Invasive strain is most common, D. Gram positive
C: Invasive strain is most common
Answer: C: Invasive strain is most common 
Explanation: Ans. is. 'c' i. e., Invasive strain is most common