Series I-C Basic Medical Science Time:80mins
Model Paper
Microbiology
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MEDICALMICROBIOLOGY Pleaseuseadarkpencil/pentocompl Pleaseuseadarkpencil/pentocompletethetest.Readtheinstruc etethetest.Readtheinstructionsatthe tionsatthe beginingcarefully.Thisisapracticetes beginingcarefully.ThisisapracticetestseriesinMedicalMic tseriesinMedicalMicrobiology. robiology. PleaseNote:ThereisaNegativeMarkingof(-1)foreachincorrectresponse. 1. Cas CaseSt eStud udy: y: A39-ye A39-yearar-oldm oldman anpre presen sents tswith withfe fever ver, ,fat fatigue, igue,he heada adache chean andb dblack lackdisc dischar harge ge fromhisnose.Onphysicalexamination,swellingisobservedinoneofhiseyes. Thepatientalsocomplaintsofpersistentheadachebehindtheaffectedeye.What couldbethemostprobablediagnosis? A Mucormycosis
C Coccidioidomycosis
B Blastomycosis
D Cryptococcosis
2. Considerthefo Considerthefollowingstatem llowingstatements entsabout aboutbact bacteria: eria: Statement1:MostbacteriahavessDNAbutlacksmitochondria Statement1: MostbacteriahavessDNAbutlacksmitochondria Statement2:Smallsubunitofribosomesarecomposedof16SrRNA Statement2:Smallsubunitofribosomesarecomposedof16SrRNA Statement3:Bacterialexoenzymesarepotenttoxinswhichcanaffecthumans Statement3:Bacterialexoenzymesarepotenttoxinswhichcanaffecthumans Whichofthestatementsgivenabovearecorrect? A 1,2,and3
C 2and3
B 1and3
D 1and2
3. Whichexot Whichexotoxinuse oxinusesam samechanism echanismsimilart similartodipht odiphtheriat heriatoxinto oxintoinhibitprot inhibitprotein ein synthesis? A tetanolysin
C thioredoxin
B toxinAofpseudomonas aeruginosa
D rImmunotoxinofP.pastoris
4. WaterChlorinat WaterChlorinationiseff ioniseffective ectiveagainst againstallofth allofthefollowingor efollowingorganism ganismsexc sexcept ept A Escherichiacoli
C Cryptosporidium
B Vibriocholerae
D Schistosomiasiscercariae
5. Apicomplexanpar Apicomplexanparasites asitesincludeallof includeallofthef thefollowingexcept ollowingexcept A Toxoplasmagondii
C plasmodiummalariae
B Cyclosporacayetensis
D Perkinsusmarinus
Basic Medical Sciences
-1-
Series I-C
Model Paper
Microbiology
6. Hypersensitivity Hypersensitivityvascu vasculitisisanexa litisisanexampleo mpleof f A Immunecomplexmediated reaction
Allergicreac eaction tion C Allergicr D antibody-dependent cell-mediatedcytotoxicity(ADCC)
B Tcellmediatedhypersensitivity reaction
7. Thetoxicgene Thetoxicgeneencod encodedinCor edinCornybact nybacterium eriumdiphth diphtheriae eriae A encodesapolypetidechainof 435aminoacids
D encodesapolypetidechainof 535aminoacids
B codesfortwosubunitsofthe polypetidechainknownasA-B toxin
E noneoftheabove
C codesfortwosubunitsofthe polypetidechainknownasC-D toxin 8. Caseousnecr Caseousnecrosisisse osisisseenm enmostlyinwh ostlyinwhichtyp ichtypeof eofCutane Cutaneoust oustubercu uberculosis(CTB)? losis(CTB)? A lupusvulgaris
C scrofuloderma
B Lichenscrofulosorum
D erythemanodosum
9. Granulom Granulomasar asarecollection ecollectionofallof ofallofthef thefollowingexcept ollowingexcept A Langhansgiantcell
D histiocytes
B tissuemacrophage
E Hofbauercell
C dendriticcell 10. Nottru Nottruea eabou boutG tGran ranulom ulomaing ainguinale uinale A diagnosisusuallymadebyFrie test
C characterizedbygentinalulcers
B causedbyCalymmatobacterium G.
D effectivetreatmentiswith amphotericinBandtetracycline
11. Whichoft Whichofthefo hefollowingfungus llowingfungusisacau isacausative sativeagent agentofs ofsubcut ubcutaneous aneousmy mycosis? cosis? A Histoplasmacapsulatum
C Cryptococcusneoformans
B Madurellamycetomatis
D Candidaalbicans
12. FungalmeningitisinAI FungalmeningitisinAIDSpatient DSpatientsiscau siscausedb sedby y A Exserohilumrostratum
C Cryptococcusneoformans
Aspergillusfu fumig migatu atus s B Aspergillus
D Coccidioidesimmitis
Basic Medical Sciences
-2-
Series I-C
Model Paper
Microbiology
13. Theconfirm Theconfirmatory atorytest testmo mosts stsensitivef ensitivefordiagn ordiagnosisof osisofcandidiasis candidiasis A complementfixation
D culturesofskinlesions
B sputumcultures
E quantitativeurineculture
C latexagglutinationtest 14. Whichoft Whichofthefo hefollowingstate llowingstatemen mentsr tsregard egardingcoro ingcoronavirus navirusinfect infectionhas ionhasnogoo nogood d reasonstobeincorrect? A coronavirusinfectionsin humansmostlyconfinedtoURI
C incubationperiod5-8days D coronavirusinfectionsin humansmostlycause gastroenteritis
B coronavirusisthecausative agentofSARSoutbreak
15. Mostse Mostsensitivet nsitivetest estfor fordetec detectionof tionofrot rotaviruses avirusesinsto instoolspecim olspecimens ens A EIA
D cellculture(HEK)
B nucleicacidhybridization
E ELISA
C RNAgenotypingbyPCR 16. Atranspor Atransportm tmedium ediumfor forstr streptoc eptococcus occuspyoge pyogenes nes A CaryBlairmedium
D Pikesmedium
B Bilepeptonemedium
E Stuartmedium
C Glycerolsalinemedium 17. Whichoft Whichofthefo hefollowingisanenrich llowingisanenrichmen mentm tmedium? edium? A Loeffler’sserumslope
D chocolateagar
B BilepeptoneMedium
E Nutrientbroth
C MacConkeyAgarMedium 18. Acuteuncom Acuteuncomplicatedc plicatedcystitis ystitisisusuallyca isusuallycausedb usedby y A Proteus
D Enterobactor
B Staphylococcus
E E.coli
C alloftheabove 19. Bacteriuriaissignificant Bacteriuriaissignificantwhent whenthenum henumbero berofcolonies fcoloniesare aregreat greatert erthan han A 10-2CFU/mlofurine
C 10-5CFU/mlofurine
B 10-3CFU/mlofurine
D 10-7CFU/mlofurine
Basic Medical Sciences
-3-
Series I-C
Model Paper
Microbiology
20. Antibody-depende Antibody-dependentc ntcell-mediat ell-mediatedcy edcytoto totoxicity( xicity(ADCC)isac ADCC)isacomp omponent onentof of A innateimmunesystem
C adaptiveimmunesystem
B cellmediatedimmunesystem
D nonspecificimmunesystem
21. Mostco Mostcomm mmonclinicaltyp onclinicaltypeof eofre-inf re-infection ectioncutan cutaneoust eoustubercu uberculosisis losisis A scrofuloderma
D tuberculousverucossacutis
B lupusvulgaris
E lichenscrofulosorum
C papulonecrotic 22. Allofthefollowingtes Allofthefollowingtestsa tsareus reusedinlabor edinlaborator atorydiagnos ydiagnosisofh isofhydatidos ydatidosisexce isexcept: pt: A counterimmunoelectrophoresis
D electroimmunotransferblotassay
B indirecthaemagglutination
E indirectimmunofluorescence assay
C serumagglutinationtest
23. Acombinationo AcombinationofSer fSerum umagglutinat agglutinationtes iontestwithCo twithCoomb omb'stes 'stestisdiagn tisdiagnostico osticof f A Hydatosis
C QFever
B Cysticercosis
D Brucellosis
24. Themost Themostfreq frequent uentlaborat laboratory-a ory-acquired cquiredbact bacterialinfect erialinfection: ion: A Brucellosis
D QFever
B Coccidioidomycosis
E Neisseriameningitidis
C Tularemia 25. TypeIIhyp TypeIIhypersen ersensitivityr sitivityreact eactionisasso ionisassociated ciatedwith with A Henoch-Schönleinpurpura
C Goodpasture'ssyndrome
B Systemiclupuserythematosus
D Hemolyticdiseaseofthenewborn
26. Mitsudare Mitsudareaction actionisseen isseeninwhichfor inwhichformo moflepro fleprosy? sy? A lepromatousform
C Both
B tuberculoidform
D None
27. Whichoft Whichofthefo hefollowingorganism llowingorganismsist sisthelarges helargestintes tintestinalpara tinalparasiteof siteofhum humans? ans? A Entamoebahartmanni
D Balantidiumcoli
B Entamoebahistolytica
E Escherichiacoli
C Entamoebacoli
Basic Medical Sciences
-4-
Series I-C
Model Paper
Microbiology
28. Tickborndiseas Tickborndiseases/illnesses es/illnessesincludeallof includeallofthef thefollowingexcept ollowingexcept:: A Tularemia
C Lymedisease
B Relapsingfever
D Denguehemorrhagicfever
29. Followingstateme Followingstatementsa ntsabout boutrota rotavirush virushasno asnogoodr goodreasons easonsto tobecor becorrect rect A RotavirusAcauses gastroenteritis>90%inhumans
D double-strandedRNAvirus E causativeagentof"stomachflu"
B RotavirusDcauses gastroenteritis>90%inhumans C single-strandedRNAvirus
30. Hydatidcyst Hydatidcystiscaus iscausedby edbythelar thelarvalfor valformo mofwhicho fwhichoft fthefo hefollowingorganism llowingorganism? ? A Taeniasolium
D Hymenolepsisnana
B Echinococcus
E Toxocaracanis
C Diphyllobothriumlatum 31. Organism Organismtha thatcau tcausesa sesamoe moebicdyse bicdysenter nteryinhum yinhumans ans A Entamoebacoli
C Entamoebahistolytica
B Balantidiumcoli
D Entamoebadispar
32. Whichorgan Whichorganismc ismconstit onstitutes utesabout about30% 30%ofa ofallgutflor llgutflora(m a(microflora icrofloraof oftheg thegut)? ut)? A Bacteroides
D Esch.coli
B Clostridium
E Lactobacillus
C Peptococcus 33. Thevirusthat Thevirusthatcaus causesM esMolluscum olluscumcont contagiosum agiosumbelongs belongstowh towhichfam ichfamily? ily? A Picornaviridae
C Parvoviridae
B Poxviridae
D Orthomyxoviridae
34. Whichoft Whichofthefo hefollowingisaoncog llowingisaoncogenicRNAvirus enicRNAvirus? ? A Papillomaviruses
C Polyomavirus
B HumanTcellleukemiavirus
D Cytomegalovirus
Basic Medical Sciences
-5-
Series I-C
Model Paper
Microbiology
35. Pickthemo Pickthemosta stappropr ppropriatest iatestatem atementa entabout boutpneum pneumocyst ocystiscarinii iscarinii A P.cariniicanbeculturedinvitro
C laboratorydiagnosisisby microscopyorPCRonly
B occursalmostexclusivelyin immunocompromisedhosts
D itisprotozoaninfectionconfined onlytolungs
36. Immun Immunoglobulinwithaleas oglobulinwithaleastcon tcontent tent(lowest (lowest%) %)of ofcarboh carbohydrat ydratee A IgE
C IgD
B IgM
D IgG
37. InTypeI InTypeIhyper hypersensitivity sensitivity,t ,theant heantibodyis ibodyis A IgA
C IgG
B IgE
D IgM
38. Organism Organismwhichisa whichisacausat causativeagen iveagentof tofSanJ SanJoaquinf oaquinfever ever A Coccidioidesimmitis
C Rickettsiarickettsii
B Cryptococcusneoformans
D Coxiellaburnetii
39. RegardingRabiesinfec RegardingRabiesinfection, tion,pickth picktheincorr eincorrect ectstat statem ements: ents: A rabiesvirusreplicatesatthesite ofbitewound
C FAstainingisusefulfor diagnosisofrabies
B non-envelopeddoublestranded DNAgenome
D envelopedsinglestrandedRNA genome
40. Softc Softchanc hancre reisc iscaus aused edby by A Chlamydiatrachomatis
C Haemophilusducreyi
B Mycoplasmagenitalium
D Humanpapillomavirus(HPV)
41. Thecausative Thecausativeagent agentof ofFifthd Fifthdisease( isease(Eryt Erythem hemainfect ainfectiosum) iosum) A Humanherpesvirus7
C Humanpapillomavirus
B Humanherpesvirus6
D HumanparvovirusB19
42. Thecausative Thecausativeagent agentof ofprogr progressivem essivemultifocalleuk ultifocalleukoencep oencephalopath halopathy y A polyomavirus
C papillomavirus
B BKvirus
D parvovirus
43. Thenaturaldef Thenaturaldefinitivehost initivehostfor forGn Gnathos athostom tomaspinigeru aspinigerumis mis A human
C dog
B cyclops
D fish
Basic Medical Sciences
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Series I-C
Model Paper
Microbiology
44. Causat Causativea iveagen gento tof fScr Scrub ubtyp typhus husis is A Rickettsiatyphi
C Orientiatsutsugamushi
B Rickettsiaprowazeki
D Borreliaburgdorferi
45. Whichtype Whichtypeofh ofhuma umanpapilloma npapillomavirus( virus(HPV)isclass HPV)isclassifiedaslow-r ifiedaslow-riskm iskmucosa ucosaltype ltype HPV? A type6,11,40
D type16and18
B type6,16,18
E noneoftheabove
C type30,31,22 46. Swimmin Swimmingp gpoolg oolgran ranulom ulomais aiscau caused sedby by A Mycobacteriumfortuitum
C Mycobacteriumulcerans
B Mycobacteriumchelonei
D Mycobacteriumabscessus
47. Whichoft Whichofthefo hefollowingmicroor llowingmicroorganism ganismsbelong sbelongsto stoAscom Ascomycet ycetes? es? A Trichophyton
C C.neoformans
B Rhizopus
Absidia D Absidia
48. Ringworminfect Ringworminfectionoft ionofthesc hescalpandh alpandhair: air: A Tineaunguium
C Tineacorporis
B Tineacapitis
D Tineapedis
49. Massof Massofimm immunoglobulinD( unoglobulinD(IgD)h IgD)heavy eavychain chain A 65kDa
C 70kDa
B 56kDa
D 72kDa
50. Whichoft Whichofthefo hefollowingconditionsis llowingconditionsisares aresultof ultofType TypeIVhyp IVhypersen ersensitivityr sitivityreact eaction? ion? A Crohn'sdisease
C Graves'disease
B Behçet'sdisease
D Myastheniagravis
51. Thecorrect Thecorrectfor formula mulaofim ofimmun munoglobulinM oglobulinM(Ig (IgM) M)isotype isotypeJch Jchain ain A 5[2μ+2kor2λ]+J B 5[2μd+2kor2λ]+J
C 2[2α1+2kor2λ]+J D 2[2α2+2kor2λ]+J
52. Whichoft Whichofthefo hefollowingimmun llowingimmunoglobulinant oglobulinantibodiesdon ibodiesdonotf otfixcom ixcomplemen plement? t? A IgG
C sIgA
B IgD
D IgM
Basic Medical Sciences
-7-
Series I-C
Model Paper
Microbiology
53. Thecausative Thecausativeagent agentof ofJapane JapaneseLun seLungfluke gfluke A Clonorchissinensis
C Paragonimuswestermani
B Fasciolopsisbuski
D Leucochloridiumparadoxum
54. Anexampleof AnexampleofTypeI TypeIIIh IIhypers ypersensitivity ensitivityreact reaction(imm ion(immuner unerespons esponse): e): A transplantrejection
C anaphylaxis
B serumsickness
D Multiplesclerosis
55. Whichoft Whichofthefo hefollowingisnotan llowingisnotaninfect infectiontra iontransm nsmitted ittedtom tomanby anbytickb tickbites? ites? A RockyMountainSpottedfever
C Babesiosis
B Relapsingfever
D Qfever
56. Thecausative Thecausativeagent agentof ofRocky RockyMou MountainSpo ntainSpotted ttedfev fever er A R.rickettsii
D R.prowazekii
B Ehrlichiachaffeensis
E R.typhi
C Coxiellaburnetti 57. Whichoft Whichofthefo hefollowingorganism llowingorganismisres isresponsiblef ponsibleforca orcausingQ usingQfev fever? er? A Rickettsiarickettsii
C Coxiellaburnetii
B Borreliaburgdorferi
Amblyomm mmaa aame merica ricanum num D Amblyo
58. Followingsymptom Followingsymptomisnot isnotchar characte acteristicof risticofReiter's Reiter'ssyndr syndrome ome:: A urethritis
C oligoarthritis
B orchitis
D conjunctivitis
59. Case CaseS Stu tudy dy: : A31yr A31yrold oldma malep lepres resent entswit swithc hcom omplaint plaintso sof fpor porridg ridge-lik e-liked ediarr iarrhea hea,a ,abdo bdomin minal al pain,fever,andweightloss.Onbeingexamined,thestoolisfoulsmellingand containsexcessfat,butdoesnotcontainanyblood.Whatisthemostprobable diagnosis? A Crohn'sdisease
Amoebicd icdyse ysente ntery ry C Amoeb
B Ulcerativecolitis
D Campylobacteriosis
60. Chikungunyavirus Chikungunyavirusbelongst belongstowhichv owhichviralfam iralfamily? ily? A Bunyaviridae
C Coronaviridae
B Flaviviridae
D Togaviridae
Basic Medical Sciences
-8-
Series I-C
Model Paper
Microbiology
61. Case CaseS Stu tudy dy: : A16-ye A16-yearar-oldb oldboy oypre presen sents tswith withhigh highf feve everf rfor orthe thepa past stfou fourd rdays ays,b ,besid esides essor sore e throat,malaise,andwithinflamedeyesbutnodischargeofpus.Onphysical examination,lymphnodesofhisneckarefoundtobeslightlyenlarged.Hehasa H/Oofavisittoasummercam H/Oofavisittoasum mercampthepreviousweek.Whatcouldbethem pthepreviousweek.Whatcouldbethemost ost probablediagnosis? A Pharyngoconjunctivalfever
C Epidemickeratoconjunctivitis
B Stevens-Johnsonsyndrome
D Springcatarrh
62. Whichoft Whichofthefo hefollowingagentis llowingagentisasec asecondary ondaryvect vectorof orofdengu denguevirus evirus? ? Aedespolyn olynesien esiensis sis A Aedesp
Aedesalbopic lbopictus tus C Aedesa
Anophelesga gamb mbiae iae B Anopheles
Aedisegypt yptii D Aediseg
63. Interleukinth Interleukinthata ataugm ugments entsthec thecytot ytotoxicf oxicfunction unctionofNKc ofNKcells ells A interleukin-12
C interleukin-13
B interleukin-17
D interleukin-15
64. Case CaseS Stu tudy dy:: A54-ye A54-yearar-oldm oldman ancom complaint plaintso sofc fcoug ough, h,m mediastina ediastinalpain lpain, ,and andsh short ortnes nesso sof f breadthwhenbreathingin.HeisachronicsmokerandhasaH/Oofchronic alcoholconsumption.Physicalexaminationofthepatientotherwisedonotreveal much,exceptforfewredskinbumpsonhislowerrightleg.Whatcouldbethe possiblediagnosis? A Tuberculosis
C Sporotrichosis
B Coccidioidomycosis
D Histoplasmosis
65. Whichoft Whichofthefo hefollowingimmun llowingimmunoglobulinsis/a oglobulinsis/areus reusedto edtodete detecto ctordiagnos rdiagnosedeng edengue ue virusinfectionusingELISA? A IgM
C IgA
B IgD
D IgG
66. Matcht Matchthefo hefollowingwiththeirc llowingwiththeircorre orrectc ctchoices: hoices: A.
Dengue Dengueviru virus s
A. Picornav Picornavirus irus
B.
Hepatitis A virus
B. dsDNA-RT
C.
Hepatitis B virus
C. Flaviviridae
D.
Hepatitis C virus
D. Coronavirus
E.
SARS
E. +ssRNA
Basic Medical Sciences
-9-
Series I-C
Model Paper
Microbiology
67. Mostco Mostcomm mmoncau oncauseof seofacut acuteviralhe eviralhepatitisinI patitisinIndiaisdue ndiaisdueto: to: A HepatitisAvirus(HAV)
C HepatitisCvirus(HCV)
B HepatitisBvirus(HBV)
D HepatitisEvirus(HEV)
68. Allofthefollowingfea Allofthefollowingfeature turesare sarechar character acteristicsof isticsofHIVinfe HIVinfectione ctionexcept xcept:: A maculopapularrash
C lymphocytosis
B fever
D inversionofCD4 +Tcells:CD8 + Tcellsratio
69. Lymphocy Lymphocytopenia topeniaoccur occursinallof sinallofthef thefollowingconditions ollowingconditionsexcep except: t: A Typhoid
C Systemiclupuserythematosis
B hepatitis
D Rheumatoidarthritis
70. Causesofr Causesofrelativelym elativelymphocy phocytosisinc tosisincludesallof ludesallofthef thefollowingexcept ollowingexcept:: A thyrotoxicosis
Addison'sdis diseas ease e C Addison's
B toxoplasmosis
D acuteviralinfections
71. Majorcom Majorcomponent ponentoft oftheimm heimmunesy unesystem steminDroso inDrosophilame philamelanogast lanogaster: er: A plasmatocyte
C plasmacyte
B hemocyte
D plasmalogen
72. Whichoft Whichofthefo hefollowingstate llowingstatemen mentsab tsaboutG outGiardialamb iardialambliais/areinc liais/areincorrec orrect? t? A colonizesthelargeintestine
C lacksmitochondria
B cystsresistanttochlorination
D lacksmicrotubules
73. Whichoft Whichofthefo hefollowingInter llowingInterleukinsisa leukinsisamed mediatoro iatorofinflam finflammat mation? ion? A IL-2
C IL-6
B IL-1
D IL-4
74. Pjeroviciiisthecaus Pjeroviciiisthecausativeag ativeagento entofpn fpneum eumocyst ocystispneum ispneumoniainhum oniainhumans. ans.Which Which ofthefollowingstatementsregardingP.jeroviciidoyouthinkisincorrect? A occursinHIVpatientswhenCD4 count<200cells/microliter B identifiedbyhematoxylinand eosinstainedlungtissue
Basic Medical Sciences
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C cannotbegrowninculture D isanintracellularfungalparasite
Series I-C
Model Paper
Microbiology
75. Cryptosporidiosis: Cryptosporidiosis:Pickth Picktheincorr eincorrect ectstat stateme ements nts A incubationperiod5-12days
C self-limitinginhealthyindividuals
B itraconazoleisaneffective treatment
D isazoonoticinfection
76. Primaryvec Primaryvector torfor forbubonicp bubonicplagueis lagueis A Nosopsyllusfasciatus
C Spilopsylluscuniculi
B Dasypsyllusgallinulae
D Xenopsyllacheopsis
77. Nottru Nottruea eabou boutI tInte nterf rfero eron-α n-α A producedbymonocytes
C usedtotreathepatitisB
B formationinhibitedby interleukin-10
D activatedbyinterleukin-12
78. StagesofPlas StagesofPlasmod modiumlifecy iumlifecyclethat clethatdoes doesnot notoccur occurinhum inhumans ans A formationofmerozoites
C formationofzygotes
B latenthypnozoitesstage
D erythrocyticschizogony
79. Apatientwithca Apatientwithcancer nceronche onchemot motherap herapyhas yhasaplatelet aplateletcount countof4 of46,000 6,000per per microliter.Whichofthefollowingagentsdoyouthinkisthebesttotreat thrombocytopenia? A lithiumcarbonate
C interleukin-2
B interleukin-4
D interleukin-11
80. Case CaseS Stu tudy dy:: A45-ye A45-yearar-oldm oldmale alepat patient ientpr prese esents ntswit withf hfeve ever, r,co cough ugh, ,art arthra hralgia, lgia,and andper persist sistent ent weightlossattheoutpatientdepartment.Onphysicalexamination,hecomplains ofpleuriticchestpainandnightsweats.Whatcouldbethemostprobable diagnosis? A Histoplamosis
C Blastomycosis
B Sporotrichosis
D Tuberculosis
81. Arrangethe Arrangetheitem itemsinth sintheircor eircorrect rectorder orderof ofevent events/se s/sequence quencerega regardingplasm rdingplasmodium odium parasite: A.
meroz merozoite oites s
B.
zygotes
C.
trophozoites
D.
schizonts
E.
sporozoites
Basic Medical Sciences
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Series I-C
Model Paper
Microbiology
82. Allofthefollowingagen Allofthefollowingagentsar tsarem emycot ycoticmy icmytot toticinhibitorse icinhibitorsexcept xcept:: A neoxaline
C aurantiamine
B griseofulvin
D colchicine
83. Whichoft Whichofthefo hefollowingstate llowingstatemen mentsab tsaboutt outthem hemechanism echanismof ofaction actionofAm ofAmphote photericin ricin Biscorrect? A interferewithpeptidechain synthesis
C inhibitorofcellmembrane function
B inhibitofnucleicacidsynthesis
D inhibitcellwallsynthesis
84. Anacuteadve Anacuteadverse rsereact reactionchar ioncharacter acterizedby izedby"shake "shakeandba andbake"ef ke"effect fectm maysee ayseen n withtheuseof A quinine
C penicillin
B amphotericinB
D amoxicillin
85. Whichoft Whichofthefo hefollowingisa"rest llowingisa"restingspor ingspore"off e"offungi? ungi? A chlamydospore
C ascospore
B zygospore
D basidiospore
86. Granulom Granulomaswithn aswithnume umerous rouseosinophilss eosinophilssuggest uggests s A blastomycosis
D granulomatosiswithpolyangitis
B coccidioidomycosis
E cat-scratchdisease
C aspirationpneumonia 87. Fungusthat Fungusthatfor formb mblastosp lastospores: ores: A saccharomycescerevisiae
C candidaalbicans
B cryptococcusneoformans
D pneumocystisjirovecci
88. Anexam Anexampleo pleof fase asexua xualsp lspore ore:: A ascospores
C chlamydospores
B sporangiospores
D basidiospores
89. Whatdiff Whatdifferent erentiatesf iatesfungifr ungifrom omslimem slimemolds? olds? A sporeformation
C movement
B plasmodium
D presenceofmitochondria
Basic Medical Sciences
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Series I-C
Model Paper
Microbiology
90. Antibioticscanbe Antibioticscanbeextr extracted actedfro from mallofthe allofthefollowingorg followingorganism anismsexc sexcept: ept: A Fuligoseptica
C Ganodermalucidum
Aspergilluste terr rreus eus B Aspergillus
D Penicilliumpatulum
91. Statemen Statementwhichis twhichisnott nottruea rueabout boutproka prokaryot ryoticribosom icribosomes: es: A 70Sribosomesedimentfaster than80Sribosome
C sedimentationcoefficientoflarge subunitis30S
B smallsubunitcontains20 proteins
D hasamassofabout2.5MDa
92. Considerthefo Considerthefollowingstatem llowingstatements entsabout aboutinterf interferon: eron: Statement1:interferonsactivateNKcellsandmacrophages Statement1:interferonsactivateNKcellsandmacrophages Statement2:interferonsactasantigenpresentingcells Statement2: interferonsactasantigenpresentingcells Statement3:interferon-β1aisusedtotreatmultiplesclerosis Statement3: interferon-β1aisusedtotreatmultiplesclerosis Whichofthestatementsgivenabovearecorrect? A 1and2
C 1and3
B 2and3
D 1,2,and3
93. Regardinggenet Regardinggeneticreass icreassortm ortmentinv entinviruses, iruses,pickt pickthecor hecorrect rectsta statem tement( ent(s): s): A reassortmentacceleratestherate ofmutationsininfluenzavirus
C reassortmentoccursbetween twoinfluenzavirusspeciesA&B
B occursexclusivelyinsegmented RNAvirus
D reassortmentoccursthrough templateswitchmechanism
94. Thevector Thevectorwhichact whichactsinm sinmechanica echanicaltrans ltransmission missionofJa ofJapanese paneseence encephalitisvirus phalitisvirus A Culextitraeniorhynchus
Aedesvexa exans ns C Aedesv
Aedesaegy egypti pti B Aedesa
D Culexvishnui
95. Matcht Matchthefo hefollowingcausative llowingcausativeorga organisms nismswithth withthediseas ediseasethe etheycau ycause: se: A.
Arena Arenaviru virus s
A. Epizoot Epizootiche ichemo morr rrhagic hagicdis diseas ease e
B.
Bunyaviridae
B. Aseptic meningitis
C.
Hantavirus
C. Acute hemorrhagic gastroenteritis
D.
Nairovirus
D. Crimean-Congo hemorrhagic fever
E.
Orbivirus
E. Hemorrhagic fever with renal syndrome
Basic Medical Sciences
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Series I-C
Model Paper
Microbiology
96. Whichoft Whichofthefo hefollowingstate llowingstatemen mentsr tsregard egardingNatur ingNaturalkillercells(NKce alkillercells(NKcells)and lls)and CytotoxicTlymphocytes(CTL)aptlydistinguishtheformerwiththelatter? A NKcellscanactinabsenceof triggerresponsefromMHC
C CTLexpressesCD8whichbinds toclassIMHCcomplex
B NKcellsareactivatedbyclassI restrictedantigens
D NKcellsareabletoproduce IFN-αandIL-4
97. Nottrueab Nottrueaboutt outthelysoge helysogeniccyc niccycleandlyt leandlyticcycleo iccycleofBac fBacterioph teriophage: age: A lysogeniccycleisavirulentor temperate
C inlysogeniccycle,viralgenome getsintegratedwithhostDNA
B lyticcycleischaracterizedby formationofprophage
D Inlyticcycle,phageDNA integratesintohostDNA
98. Matcht Matchthefo hefollowingitems llowingitemswiththe withtheircorr ircorrecta ectalternat lternatives: ives: A.
Woron Woroninbo inbody dy
A. Candida Candidaalbica albicans ns
B.
Aflatoxin B1
B. Histoplas Histoplasma maca capsu psulatu latum m
C.
Ergot alkaloids
C. Aspergillus flavus
D.
Yeast
D. As Aspergillus fumigatus
E.
Dimorphic fungi
E. Claviceps purpurea
99. Whichoneof Whichoneofthe thefollowingisnot followingisnotanon anoncogenic cogenicvirus? virus? A hepatitisCvirus
D Epstein-Barrvirus
B adenovirus
E HHV8
C HPV 100. Abasetriplet Abasetripletof3'of3'-TAC-5'inan TAC-5'inantisense tisenseDNAstr DNAstrandm andmostlikelyis: ostlikelyis: A 3'-UAG-5'basetripletinmRNA
C astartacodonmethionine
B 5'-AUG-3'basetripletinmRNA
D astopcodoninmRNA
Basic Medical Sciences
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