Microbiology MCQs

Page No. 10

Bacteria acquire characteristics by all of the following except___________________?


aThough plasmids


bIncorporating part of host DNA


cThrough bacteriophages


d through conjugation



Which of the following enzyme is required to induce the formation of a plasma clot pathogenic staphylococci_____________?


aLysozyme


bFibrinolysin


cCoagulase


dS protein


View Answer Coagulase

Grape bunch shaped colonies are seen in______________?


aStreptococcus


bStaphylococcus


cE.coli


dGonococci


View Answer Staphylococcus

which of the following is anaerobic_______________?


aE.coli


b Bacteroides


cPseudomonas


dKlebsiella


View Answer Bacteroides

Inactivated microorganisms are used in the manufacture of which of the following________________?


a Salk vaccine


betanus toxoid


cSabin’s oral vaccine


dAll of the above


View Answer Salk vaccine

The major intestinal pathogens which are non-lactose fermenters are_________________?


aSalmonella


bKlebsiella


cEscherichia


dParacolons


View Answer Salmonella

Malignant pustule is referred to_________________?


aFacio-cervical actinomycosis


bCutaneous anthrax


cInfected squamous cell carcinoma


dNone of the above


View Answer Cutaneous anthrax

Resistance of Staphylococcus aureus is due to ________________________?


aPleomorphism


bElaboration of an enzyme that destroy penicillin


cPenicillin analogue production


dLack of nucleic acid in the cell wall



Common inhabitant of throat and tonsils is______________?


aAlpha hymolytic streptococci (S. viridans


bStaphylococci


cBeta hemolytic streptococci


dPneumococci



One of the following is a zoonotic disease_____________?


a Anthrax


bTyphoid


cBacillary dysentery


dCholera


View Answer Anthrax

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