Microbiology MCQs

Page No. 9

Signs of tyhoid fever is/are_____________________?


aHaemorrhage


b perforation


cOsteomyelitis


dAll of the above


View Answer All of the above

The structure in involved in bacterial attachment to cell surface is_______________?


aCapsule


bFimbria


cFlagella


dNone of the above


View Answer Fimbria

Electron microscopic examination of the bacterial flora of necrotising ulcerative gingivitis indicates the presence of microorganisms within non-necrotic tissues in advance of other bacteria. The organisms involved are______________?


aCocci


bSpirochetes


cBacteriophages


dFilamentous rods


View Answer Spirochetes

The following are applicable to bacterial genoms except________________?


aIt is composed of DNA


bIt doe not contain histones


cIt is circular


dIts DNA has both introns and extrons



Each of the following can cause food poisoning except________________?


aCl. difficile


bStaphylococcus


cCl. welchii


dCl. botulinum


View Answer Cl. difficile

The bacterial cell wall has all of the following properties except______________?


aIt consists of a mixed polymer called peptidoglycon


b is the structure principally responsible for the reaction of gram staining


cIt is a unique flexible plastic structure


dIt contains D-isomers of amino acids



Anaerobic bacteria grow_______________?


ain the presence of oxygen


bin the presence of nitrogen


cin the absence of oxygen


ddifferential media



Phage conversion is required for________________?


aTularemia


bDiptheria


cGonorrhoea


d All o f the above


View Answer Diptheria

Wasserman test test is diagnostic of__________________?


aSyphilis


bGonorrhea


c TB


dTyhoid


View Answer Syphilis

Bacteria with potent exotoxin is_______________?


aClostridium tetani


bPseudomonas


cShigella


dKlebsiella


View Answer Clostridium tetani

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