Microbiology Quiz 20 Quiz InstructionsThis quiz consists of 20 multiple-choice questions.You will be awarded 5 marks for each correct answer. Question 1: Which of the following is vaccine strain for Brucella?S-19RB-51Rev-1All of the above Question 2: Dye (thionin and basic fuchsin) tolerance test is used for characterization ofListeriaLeptaspiraBrucellaAll of the above Question 3: Bovine tuberculosis is diagnosed byDelayed hypersensitivity testGamma interferon assayIndirect ELISAAll of the above Question 4: BVDV is antigenically related toClassical swine fever virusOvine Border disease virusBoth A and BNone of the above Question 5: Bovine herpesvirus 1 persists in latent form inTrigeminal nerveSacral gangliaBoth A and BNone of the above Question 6: Bacteria have the maximum cell size inLeg phaseLog phaseStationary phasePhase of decline Question 7: Involution forms of bacteria are common inLag phaseLog phasestationary phasePhase of decline Question 8: MacConkey's lactose agar isIndicator mediaDifferential mediaBoth A and BNone of the above Question 9: Which of the immunoglobulin isotype is not heat stable (temp 56°C)IgAIgEIgGigM Question 10: Which of the following is a mechanism of autoimmunity?Breakdown of Immunological homeostasisMolecular mimicryRelease of sequestered antigenAll of the above Question 11: IMViC test result for E.coli is(- - + +)( - + - + )( + + - - )( - + + - ) Question 12: IMViC test result for Klebsiella pneumoniae is(- - + +)( - + - + )( + + - - )( - + + - ) Question 13: IMViC test result for Salmonella is(- - + +)( - + - + )( + + - - )( - + + - ) Question 14: Satellitism phenomenon is observed when Harmophilus influenzae co cultured withBacillus anthracisPasteurella multocidaStaphylococcus aureusNone of the above Question 15: "Fried egg" colonies appear in culture ofMycobacteriumMycoplasmaBrucellaHarmophilus Question 16: Neuraminidase activity is present inInfluenza virusVibrio cholaraeBoth A and BNone of the above Question 17: Blue ear pig disease is also called asSMEDIPRRSSwine poxTGE Question 18: Norwalk (Noro) virus an etiological agent of human diarrhea belongs toParvoviridaeCoronaviridaeCaliciviridaeReoviridae Question 19: Enzootic abortion in ewes is caused byBrucella abortusChlamydophila abortusListeria monocytogenesAll of the above Question 20: PRRS virus isParvovirusFlavivirusArterivirusCoronavirus
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