Microbiology Mcqs


Q.  All of the following lab tests can be used to distinguish streptococcus mutans from other oral streptococci, except______________?

a. Gram staining
b. Fermentation of mannitol and sorbital
c. Production of intracellular and extracellular adherent polysacharide
d. Colony morphology on saliva agar


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MCQs:  Which of the following structures, found external to the bacterial cell wall, are involved in bacterial attachment to cell surfaces?
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MCQs:  Resistance of Staphylococcus aureus is due to ________________________?
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MCQs:  The major intestinal pathogens which are non-lactose fermenters are_________________?
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MCQs:  Inactivated microorganisms are used in the manufacture of which of the following________________?
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MCQs:  which of the following is anaerobic_______________?
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MCQs:  Grape bunch shaped colonies are seen in______________?
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MCQs:  Which of the following enzyme is required to induce the formation of a plasma clot pathogenic staphylococci_____________?
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MCQs:  Bacteria with potent exotoxin is_______________?
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MCQs:  Wasserman test test is diagnostic of__________________?
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MCQs:  Phage conversion is required for________________?
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MCQs:  Anaerobic bacteria grow_______________?
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