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Microbiology Objective Questions { Spirochetes and Enterobacteriaceae }

43. Yersinia enterocolitica and Y. pestis can be differentiated on the basis of which of the following tests?
A.Decarboxylation of ornithine
B.Fermentation of sucrose and cellobiose
C.Motility at 22°C
D.All of these
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44. Example of the pathogenic bacteria is/are
A.L biflexa
C.Leptospira interrogans
D.All of these
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45. The media which serve(s) as enrichment media for Salmonella is/are
A.Tetrathionate broth
B.Brilliant green tetrathionate broth
C.Selenite-F broth
D.All of these
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