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
[{'content': 'An organism grown on agar shows green colored colonies, likely organism is - \nSelect and explain. \nA. Staphylococcus, B. Streptococcus, C. Pseudomonas, D. E. coli', 'role': 'user'}, {'content': "Answer: C \nExplanation: “The optimum temperature for growth of Pseudomonas aeruginosa is 37 degree and is able to grow at temperature as high as 42° C ‘Essenals of Microbiology' Pseudomonas aeruginosa\n\n\xa0Morphology ÿ Gram-negative bacilli ÿ Mole by polar flagellum ÿNon capsulated but many strains have mucoid slim layer especially the organisms which are isolated from cysc fibrosis patient.\n\xa0Culture ÿObligate aerobe ÿ Colonies emit a distance, musty, mawkish, earthy or sweet grape-like odour or corn tacolike odour.\n\nÿ Cetrimide agar is a selective media. ÿ Pseudomonas aeruginosa produces a number of pigments.\nThe production of these pigments accounts for the colour of colonies. ÿ Pyocyanin is produced only by P. aeruginosa and it i", 'role': 'assistant'}]