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
An organism grown on agar shows green coloured colonies, likely organism is ? 
Select and explain. 
A. Staphylococcus, B. Streptococcus, C. Pseudomonas, D. E. coli
C: Pseudomonas
Answer: C: Pseudomonas 
Explanation: Ans. is 'c' i.e., Pseudomonas