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
Color of granule of actinomycetes? 
Select and explain. 
A. Black, B. Yellow, C. Red, D. Brown
B: Yellow
Answer: B: Yellow 
Explanation: Ans. is b' i.e., Yellow Granules of actinomyces are yellow coloured. "The abscesses of actinomycosis are filled with pus and yellow coloured granules known as sulfur granules". - Essentials of microbiology "The term 'sulfur granule' refers only to the yellow color, the granules do not contain sulfur".- Medical mycology