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
Streptococcus pneumonia produces which type of hemolysis ? 
Select and explain. 
A. Alpha, B. Beta, C. Gamma, D. Any of the above
A: Alpha
Answer: A: Alpha 
Explanation: Ans. is 'a' i.e., Alpha Streptococcus pneumoniae, or pneumococcus, is a Gram-positive, alpha-hemolytic (under aerobic conditions)