Microbiology MCQs

Page No. 32

Hot air oven is used for sterilization of all EXCEPT__________________?


aGlassware


b Rubber tubes


cSharp instrument


dLiquid paraffin


View Answer Rubber tubes

Oil and Grease are sterilized by________________?


aHot air oven


bAuto claving


cIrradiation


dEthylene dioxide


View Answer Hot air oven

Which of the following is true about pasteurization ?


aIt kills bacteria and spores


b It kills all bacteria except thermoduric bacteria


cIt kills 95% of microorganisms


dTubercle bacilli are destroyed



Portion of immunoglobulin molecule with molecular weight to 50000_________________?


aSecretory piece


bH chain


cL chain


dJ piece


View Answer H chain

Secondary response is mediated by_______________?


aIgG


bIgA


cIgM


dIgE


View Answer IgG

The reaginic antibody is________________?


aIgG


bIgA


cIgD


dIgE


View Answer IgE

The following immunoglobulin is not known to fix complement_________________?


aIgE


bIgM


cIgA


dIgG


View Answer IgE

The earliest identifiable cells of T-Cell lineage during maturation are_______________?


aCD7+ Pro-T-Cells


bCD5+ Pre-T-Cells


cCD8+ Pro-T-Cells


dCD8+ Pre-T-Cells


View Answer CD7+ Pro-T-Cells

A person working in an abattoir presented with a papule on hand, which turned in to an ulcer. Which will best help in diagnosis______________?


aTrichrome Methylene blue


bCarbol Fuschin


cAcid Fast Stain


dCalcoflour White



Which is type II hypersensitivity ?


aAnaphylaxis


bDelayed hypersensitivity


cImmune complex mediated


dCytotoxic / cytolytic type



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