This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Bacteria, Subject name: Microbiology
Buruli Ulcer is caused by - 
Select and explain. 
A. Streptococcus, B. Spirilliumminus, C. M.Ulcerans, D. Brucella
C: M.Ulcerans
Answer: C: M.Ulcerans 
Explanation: Ans. is 'c' i.e., M. ulcerans o Buruli ulcer is caused by M. ulcerans.o It is the only mycobacteria producing a toxin.o Fish tank granulomaalso called ' swimming pool granuiomaf is caused by M. marinum.Principal types of opportunist mycobacterial disease in man and the usual causative agents.DiseasesUsual causative agentLymphadenopathyM. avium complexM. scrofulaceumSkin lesionPost-trauma abscessSwimming pool granulomaBuruli ulcerM. chelonaeM.fortuitumM. terraeM.marinumM. ulceransPulmonary' diseaseM. avium complexM. kansasiiM.xenopiM.malmoenseDisseminated diseaseAIDS-relatedM, avium complexM.genevenseM.avium complexM. chelonae