Microbiology Straighterline Exam With 10
b b b b
0% Correct And Verified Answers 2024
b b b b b
StudiesbbybEmilbvonbBehringbandbShibasaburobKitasatobdemonstratedbth
atbinactivatedbtoxinsbcanbinducebthebsynthesisbofbantitoxinsbinbthebblood
bofbrabbits.bThesebantitoxinsb(antibodies)barebthebbasisbof...b
a.bhumoralbimmunity
b.bcell-mediatedbimmunity
c.bantibioticbimmunity
d.bphagocyte-mediatedbimmunityb-bCorrectbAnswer-a.bhumoralbimmunity
Whobofbthebfollowingbfirstbdiscoveredbthatbsomebbloodbleukocytesbcouldb
engulfbdisease-causingbbacteria?
a.bvonbBehring
b.bMeister
c.bMetchnikoff
d.bIvanowskib-bCorrectbAnswer-c.bMetchnikoff
Whobisbcreditedbwithbdevelopingbabvaccinebagainstbchickenbcholera?
a.bKoch
b.bPasteur
c.bJenner
d.bListerb-bCorrectbAnswer-b.bPasteur
Thebconceptbthatblivingborganismsbarisebfrombnonlivingbmaterialbisbcalle
d...
a.bbiogenesis
b.bcellbtheory
c.bspontaneousbgeneration
d.bgermbtheoryb-bCorrectbAnswer-c.bspontaneousbgeneration
ProtistsbcontainballbofbthebfollowingbformsbofblifebEXCEPT...
a.bprotozoa
b.bfungi
,Microbiology Straighterline exam with 100
b b b b
% correct and verified answers 2024
b b b b b
c.bslimebmolds
d.balgaeb-bCorrectbAnswer-b.bfungi
Cellsbwithbabrelativelybsimplebcellbmorphologybthatbdobnotbhavebabtruebm
embrane-delimitedbnucleusbarebcalled...
a.bprokaryotes
b.beukaryotes
c.burkaryotes
d.bnokaryotesb-bCorrectbAnswer-a.bprokaryotes
ThebribosomalbRNAbstudiesbthatbledbtobthebdivisionbofbprokaryoticborgani
smsbintobthebBacteriabandbthebArchaeabwerebbegunbby...
a.bPasteur
b.bWoese
c.bNeedham
d.bWatsonb-bCorrectbAnswer-b.bWoese
Inbabsearchbforbnewbantibiotics,babpreviouslybunknownborganismbhasbbee
nbrecoveredbfrombthebsoil.bItbisbnonmotilebandbisbcomposedbofblongbthrea
dlikebstructuresbformedbfrombnucleatedbcells.bItbisbnot-
photosyntheticbandbabsorbsbitsbnutrients.bThisborganismbwillbmostblikelyb
bebclassifiedbamongbthe...
a.bbacteria
b.barchaea
c.beukaryotesb(fungi)
d.beukaryotesb(protozoa)
e.beukaryotesb(algae)b-bCorrectbAnswer-c.beukaryotesb(fungi)
Ifbimmersionboilbwasbreplacedbwithbwater,bwhatbwouldbhappen?
a.bThebrefractivebindexbwouldbincrease,bimprovingbresolution
b.bThebrefractivebindexbofbwaterbwouldbbebgreaterbthanbairbbutblessbthanb
oil,bimprovingbresolutionblessbthanboil.
,Microbiology Straighterline exam with 100
b b b b
% correct and verified answers 2024
b b b b b
c.bThebrefractivebindexbofbwaterbwouldbbeblessbthanbthatbofbair,bdecreasin
gbresolution.
d.bTherebwouldbbebnobdifference.b-bCorrectbAnswer-
b.bThebrefractivebindexbofbwaterbwouldbbebgreaterbthanbairbbutblessbthanb
oil,bimprovingbresolutionblessbthanboil.
Priorbtobstaining,bsmearsbofbmicroorganismsbarebheat-fixedbinborderbto...
a.ballowbeventualbvisualizationbofbinternalbstructures.
b.bensurebremovalbofbdustbparticlesbfrombthebslidebsurface.
c.battachbitbfirmlybtobthebslide.
d.bcreatebsmallbporesbinbcellsbthatbfacilitatesbbindingbofbstainbtobcellbstru
ctures.b-bCorrectbAnswer-c.battachbitbfirmlybtobthebslide.
IfbthebdecolorizerbisbleftbonbtooblongbinbthebGram-
stainingbprocedure,bgram-
positiveborganismsbwillbbebstainedb__________bandbgram-
negativeborganismsbwillbbebstainedb__________.
a.bpurple;bblue
b.bpurple;bcolorless
c.bpurple;bpink
d.bpink;bpinkb-bCorrectbAnswer-d.bpink;bpink
Regionsbofbabspecimenbwithbhigherbelectronbdensitybscatterb___________belectronsband,bt
herefore,bappearb__________binbthebimagebprojectedbontobthebscreenbofbabtransmissionbel
ectronbmicroscope.
a.bmore;blighter
b.bmore;bdarker
c.bfewer;bdarker
d.bfewer;blighterb-bCorrectbAnswer-b.bmore;bdarker
InbthebGram-stainingbprocedure,bthebmordantbis...
a.biodine.
b.bsafranin.
c.bcrystalbviolet.
d.balcohol.b-bCorrectbAnswer-a.biodine.
, Microbiology Straighterline exam with 100
b b b b
% correct and verified answers 2024
b b b b b
Acid-
fastborganismsbsuchbasbMycobacteriumbtuberculosisbcontainblipidsbconstructedbfromb_____
___________inbtheirbcellbwalls.
a.bproteins
b.bcarbohydrates
c.bmycolicbacids
d.bpeptidoglycanb-bCorrectbAnswer-c.bmycolicbacids
Fattybacidbmethylbesterb(FAME)banalysisbisbparticularlybimportantbinbpublicbhealthbbecauseb
inbthisbapplication,bmicrobiologistsbseekbtobidentifybspecificbmicrobialbpathogensbinb______.
a.bfoodbandbwater
b.bpatientbsamples
c.bgenomicbanalysis
d.bgeneticbdiseasesb-bCorrectbAnswer-a.bfoodbandbwater
GenomicbDNAbsequencesbseembtobsupportbthebideabthatbthebfirstbeukaryoticbcellbarosebfro
mbwithinbtheb_____blineage.
a.barchaeal
b.bbacterial
c.bviral
d.blastbuniversalbcommonbancestorb(LUCA)b-bCorrectbAnswer-a.barchaeal
Anbunrootedbtreebcontainingbfourbunrelatedbspeciesbcanbbecomebrootedbbybadding
a.babdescendantbgroupbrelatedbtobtwobofbthebspecies.
b.banbunrelatedboutgroup.
b b b b
0% Correct And Verified Answers 2024
b b b b b
StudiesbbybEmilbvonbBehringbandbShibasaburobKitasatobdemonstratedbth
atbinactivatedbtoxinsbcanbinducebthebsynthesisbofbantitoxinsbinbthebblood
bofbrabbits.bThesebantitoxinsb(antibodies)barebthebbasisbof...b
a.bhumoralbimmunity
b.bcell-mediatedbimmunity
c.bantibioticbimmunity
d.bphagocyte-mediatedbimmunityb-bCorrectbAnswer-a.bhumoralbimmunity
Whobofbthebfollowingbfirstbdiscoveredbthatbsomebbloodbleukocytesbcouldb
engulfbdisease-causingbbacteria?
a.bvonbBehring
b.bMeister
c.bMetchnikoff
d.bIvanowskib-bCorrectbAnswer-c.bMetchnikoff
Whobisbcreditedbwithbdevelopingbabvaccinebagainstbchickenbcholera?
a.bKoch
b.bPasteur
c.bJenner
d.bListerb-bCorrectbAnswer-b.bPasteur
Thebconceptbthatblivingborganismsbarisebfrombnonlivingbmaterialbisbcalle
d...
a.bbiogenesis
b.bcellbtheory
c.bspontaneousbgeneration
d.bgermbtheoryb-bCorrectbAnswer-c.bspontaneousbgeneration
ProtistsbcontainballbofbthebfollowingbformsbofblifebEXCEPT...
a.bprotozoa
b.bfungi
,Microbiology Straighterline exam with 100
b b b b
% correct and verified answers 2024
b b b b b
c.bslimebmolds
d.balgaeb-bCorrectbAnswer-b.bfungi
Cellsbwithbabrelativelybsimplebcellbmorphologybthatbdobnotbhavebabtruebm
embrane-delimitedbnucleusbarebcalled...
a.bprokaryotes
b.beukaryotes
c.burkaryotes
d.bnokaryotesb-bCorrectbAnswer-a.bprokaryotes
ThebribosomalbRNAbstudiesbthatbledbtobthebdivisionbofbprokaryoticborgani
smsbintobthebBacteriabandbthebArchaeabwerebbegunbby...
a.bPasteur
b.bWoese
c.bNeedham
d.bWatsonb-bCorrectbAnswer-b.bWoese
Inbabsearchbforbnewbantibiotics,babpreviouslybunknownborganismbhasbbee
nbrecoveredbfrombthebsoil.bItbisbnonmotilebandbisbcomposedbofblongbthrea
dlikebstructuresbformedbfrombnucleatedbcells.bItbisbnot-
photosyntheticbandbabsorbsbitsbnutrients.bThisborganismbwillbmostblikelyb
bebclassifiedbamongbthe...
a.bbacteria
b.barchaea
c.beukaryotesb(fungi)
d.beukaryotesb(protozoa)
e.beukaryotesb(algae)b-bCorrectbAnswer-c.beukaryotesb(fungi)
Ifbimmersionboilbwasbreplacedbwithbwater,bwhatbwouldbhappen?
a.bThebrefractivebindexbwouldbincrease,bimprovingbresolution
b.bThebrefractivebindexbofbwaterbwouldbbebgreaterbthanbairbbutblessbthanb
oil,bimprovingbresolutionblessbthanboil.
,Microbiology Straighterline exam with 100
b b b b
% correct and verified answers 2024
b b b b b
c.bThebrefractivebindexbofbwaterbwouldbbeblessbthanbthatbofbair,bdecreasin
gbresolution.
d.bTherebwouldbbebnobdifference.b-bCorrectbAnswer-
b.bThebrefractivebindexbofbwaterbwouldbbebgreaterbthanbairbbutblessbthanb
oil,bimprovingbresolutionblessbthanboil.
Priorbtobstaining,bsmearsbofbmicroorganismsbarebheat-fixedbinborderbto...
a.ballowbeventualbvisualizationbofbinternalbstructures.
b.bensurebremovalbofbdustbparticlesbfrombthebslidebsurface.
c.battachbitbfirmlybtobthebslide.
d.bcreatebsmallbporesbinbcellsbthatbfacilitatesbbindingbofbstainbtobcellbstru
ctures.b-bCorrectbAnswer-c.battachbitbfirmlybtobthebslide.
IfbthebdecolorizerbisbleftbonbtooblongbinbthebGram-
stainingbprocedure,bgram-
positiveborganismsbwillbbebstainedb__________bandbgram-
negativeborganismsbwillbbebstainedb__________.
a.bpurple;bblue
b.bpurple;bcolorless
c.bpurple;bpink
d.bpink;bpinkb-bCorrectbAnswer-d.bpink;bpink
Regionsbofbabspecimenbwithbhigherbelectronbdensitybscatterb___________belectronsband,bt
herefore,bappearb__________binbthebimagebprojectedbontobthebscreenbofbabtransmissionbel
ectronbmicroscope.
a.bmore;blighter
b.bmore;bdarker
c.bfewer;bdarker
d.bfewer;blighterb-bCorrectbAnswer-b.bmore;bdarker
InbthebGram-stainingbprocedure,bthebmordantbis...
a.biodine.
b.bsafranin.
c.bcrystalbviolet.
d.balcohol.b-bCorrectbAnswer-a.biodine.
, Microbiology Straighterline exam with 100
b b b b
% correct and verified answers 2024
b b b b b
Acid-
fastborganismsbsuchbasbMycobacteriumbtuberculosisbcontainblipidsbconstructedbfromb_____
___________inbtheirbcellbwalls.
a.bproteins
b.bcarbohydrates
c.bmycolicbacids
d.bpeptidoglycanb-bCorrectbAnswer-c.bmycolicbacids
Fattybacidbmethylbesterb(FAME)banalysisbisbparticularlybimportantbinbpublicbhealthbbecauseb
inbthisbapplication,bmicrobiologistsbseekbtobidentifybspecificbmicrobialbpathogensbinb______.
a.bfoodbandbwater
b.bpatientbsamples
c.bgenomicbanalysis
d.bgeneticbdiseasesb-bCorrectbAnswer-a.bfoodbandbwater
GenomicbDNAbsequencesbseembtobsupportbthebideabthatbthebfirstbeukaryoticbcellbarosebfro
mbwithinbtheb_____blineage.
a.barchaeal
b.bbacterial
c.bviral
d.blastbuniversalbcommonbancestorb(LUCA)b-bCorrectbAnswer-a.barchaeal
Anbunrootedbtreebcontainingbfourbunrelatedbspeciesbcanbbecomebrootedbbybadding
a.babdescendantbgroupbrelatedbtobtwobofbthebspecies.
b.banbunrelatedboutgroup.
