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Microbiology

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Mycobacterium

Question
10 out of 22
 

Regarding biochemical reactions to differentiate different types of mycobacteria, all are true except:



A Niacin test is positive for human tubercle bacilli

B Arylsulfatase test is positive in atypical mycobacteria

C Neutral red test is for identifying virulent strains of tubercle bacilli

D M. tuberculosis is strongly catalase positive.

Ans. D M. tuberculosis is strongly catalase positive.

M. tuberculosis is weakly catalase positive. Other biochemicals which is gives positive are niacin test, peroxidase, neutral red test.

Mycobacterium Flashcard List

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