1. Colonies with Bisected Pearl appearance is seen inBrucellaBordetellaC.DiptheriaeMycoplasmaQuestion 1 of 20 2. Exotoxins are:Protein compoundLipoproteinLipid-polysaccharide complexNoneQuestion 2 of 20 3. Oxidase positive Gram-negative bacilli that do not show coloured colonies on Mac-Conkey MediaProteusSalmonellaShigellaPseudomonasQuestion 3 of 20 4. H. pylori infection is seen in all except:Duodenal ulcerGastric lymphomaFundal gastritisGastric carcinomaQuestion 4 of 20 5. Some bacteria get encapsulated toAchieve protection from phagocytosisTo multiplyTo produce sporesTo increase penetration capacityQuestion 5 of 20 6. Antibiotic sensitivity and resistance of microorganisms is determined byDirect microscopyCultureDNA probeELISAQuestion 6 of 20 7. All of the following statements concerning immunity are true, except:The cell-mediated arm consists primarily of B lymphocytes whereas the antibody-mediated arm consists of T lymphocytesTwo other major components of the immune system are complement and phagocytesThe main function of the immune system is to prevent or limit infections by microorganisms such as bacteria, viruses, fungi, and parasitesProtection is provided primarily by the cell-mediated and antibody-mediated (humoral) arms of the immune systemQuestion 7 of 20 8. Diagnostic of Rabies -Guarneri bodiesCowdry A bodyBollinger bodiesNegri bodiesQuestion 8 of 20 9. Eosinophils are characteristically seen in which of the following conditions?Parasitic infestationsFungal infectionsBacterial infectionsViral infectionsQuestion 9 of 20 10. Commonest site of extra intestinal amoebiasis is:SpleenLungsLiverBrainQuestion 10 of 20 11. Post streptococcal acute glomerulus nephritis is an example forType III hypersensitivityType II hypersensitivityType I hypersensitivityType IV hypersensitivityQuestion 11 of 20 12. An injection of a drug into a patient who is allergic to this drug may lead to death due to:Severe anaphylaxis (anaphylactic shock)HyperglobulinemiaLocalized anaphylaxisLow levels of histamineQuestion 12 of 20 13. In Which of the following organs or tissues are ascending infections common?BonePeritoneumHeartKidneyQuestion 13 of 20 14. All are true relation to scrub typhus except?Caused by 0. TsutsugamushiTetracycline is the drug of choiceTransmitted when adult mites feed on hostMites act as reservoirQuestion 14 of 20 15. XenograftGrafts transferred from genetically similar individualsGraft taken and transferred from one species to another speciesAnimalGrafts taken from one place and replaced in another position in the same individualQuestion 15 of 20 16. All of the following clinical features are associated with enteroviruses Hemorrhagic feverPleurodyniaMyocarditisHerpanginaQuestion 16 of 20 17. Phage conversion is required for:GonorrhoeaAll of the aboveTularemiaDiphtheriaQuestion 17 of 20 18. Neurotoxin of tetanus acts onSpinal CordSynapseMuscleBrainQuestion 18 of 20 19. Sunlight has sterilizing effect because:It has long wavelengthOzone is present in the environmentIt has short wavelengthHeat is presentQuestion 19 of 20 20. The mechanism of genetic transfer where a phage serves as a vehicle IsTranslationTransformationConjugationLysogenyQuestion 20 of 20 Loading...
