1. Gram -ve bacteria stain during gram staining:ColorlessGreenRed colorBlue colorQuestion 1 of 20 2. Oral polio vaccine, all are true exceptInduces intestinal and humoral immunityResidual neurovirulence is a problemStored at subzero temp.Killed vaccineQuestion 2 of 20 3. Sputum can be disinfected by all except:CresolBoilingAutoclavingChlorhexidineQuestion 3 of 20 4. One of the following is a zoonotic diseaseAnthraxCholeraBaccilary dysenteryTyphoidQuestion 4 of 20 5. Which type of pathogens provide the ultimate test for efficacy of sterilization?BacteriaVirusFungiSpore-formingQuestion 5 of 20 6. Blood agar isDifferential mediaEnriched mediaSimple mediaTransport mediaQuestion 6 of 20 7. Commonest mycobacterial infection in tropical countriesKansasiM. Avium intracellulareM. LepraeM. TuberculosisQuestion 7 of 20 8. When was HIV virus discovered?1983196919761992Question 8 of 20 9. Which of the following organism contain both DNA and RNA?PrionBacteriaViriodsPlasmidQuestion 9 of 20 10. H. pylori infection is seen in all except:Fundal gastritisGastric lymphomaDuodenal ulcerGastric carcinomaQuestion 10 of 20 11. All are true about brucella except -Transmission by aerosol can occur occasionallyB. abortus is capnophilic2ME is used to detect IgAPasteurisation destroys itQuestion 11 of 20 12. All of the following are potential pathogens of ororpharynx except:E.coliN. MeningitidesH. influenzaeStreptococcus pneumoniaQuestion 12 of 20 13. Germ tubes are formed mainly byCandida albicansCandida stellatoideaCandida pseudotropicalisCandida tropicalisQuestion 13 of 20 14. Sterilization means:Kill spores and only pathogenic organismsKills pathogenic organisms but not sporesKills all organisms in a specific environmentKills all pathogensQuestion 14 of 20 15. Endotoxins have all but one of the properties given below:Produced by gram positive bacteriaProduced by gram negative bacteriaCannot be toxoidedNot secreted outside the cellQuestion 15 of 20 16. The following immunoglobulin is not known to fix complementIgEIgMIgGIgAQuestion 16 of 20 17. All of the following clinical features are associated with enteroviruses Hemorrhagic feverPleurodyniaMyocarditisHerpanginaQuestion 17 of 20 18. First released Immunoglobulin after primary immunizationIgMIgDIgEIgGQuestion 18 of 20 19. Immunoglobin, which is produced first by the fetus in response to InfectionIgAIgDIgMIgGQuestion 19 of 20 20. Non treponemal test in syphilisVDRLTPITPHAFTA-ABSQuestion 20 of 20 Loading...