,Chapter 01: Microbial Taxonomy
c c c c
Test Bank
c
MULTIPLEcCHOICE
1. Taxonomyccancbecdescribedcascacsystemcthat:
a. classifies,cnames,candcidentifiescmicroorganismscincacconsistentcmanner.
b. classifiescmicroorganisms,cbasedconctheircgeneticcmakeup.
c. classifiescmicroorganisms,cbasedconctheircphenotypiccmakeup.
d. classifiescmicroorganisms,cbasedconctheirccellularcandccolonialctraits.
ANS:c A
Taxonomyciscacsystemcthatcconsistentlycclassifies,cnames,candcidentifiescmicroorganisms.cAlthou
ghcorganismschavecgenotypiccandcphenotypicccharacteristics,cascwellcasccellularcandccolonialcchara
cteristics,canswercAcbestcdescribescthectermctaxonomy.
REF:c c 1 OBJ:c c Level:cKnowledge
2. Thecmostcbasicctaxonomiccgroupcthatccancbecdefinedcascaccollectioncofcbacterialcstrainscthatcsh
arecmanyccommoncphysiologiccandcgeneticcfeaturescis:
a. genus.
b. species.
c. class.
d. kingdom.
ANS:c B
Bacteriacarecclassifiedcintocthecsamecspecies,cbasedconctheircphysiologiccandcgeneticcsimilaritiesc
andctheircdifferencescfromcbacteriacincothercspecies.
REF:c c 1 OBJ:c c Level:cKnowledge
3. Colonialcandcmicroscopiccmorphologiccproperties,calongcwithcthecpigmentationcofccolonies,c
wouldcbelongctocacmicroorganismcgroupcofc characteristics.
a.genotypic
b.taxonomic
c.phenotypic
d.subspecies
ANS:c C
Phenotypicccharacteristicscarecthecobservablecpropertiescofcthecsubject.
REF:c c 2–3 OBJ:c c Level:cApplication
4. Whichcbinomialcnamecisccorrectlycwritten?
a. Escherichiaccoli
b. Escherichiaccoli
c. Escherichiaccoli
d. EscherichiacColi
ANS:c A
, Thecgenuscshouldcbeccapitalized,candcthecspeciescshouldcbecinclowercase.cThecentirecnamecisceitherc
italicizedcorcunderlined.
REF:c c 2 OBJ:c c Level:cApplication
5. Thecusecofcacdoublecgenuscincacmicroorganism’sclabel,csuchcascBurkholderiac(Pseudomonas),
indicatescthatcthecbacterium:
a. doescnotcfitcwellcinceithercgroupcbutchascsomeccharacteristicscofcbothcgroups.
b. iscacgeneticccrosscbetweencthectwocgroups.
c. hascbeencmovedcfromconecgenusc(Pseudomonas)ctocanothercgenusc(Burkholderia).
d. hascbeencmovedcfromconecgenusc(Burkholderia)ctocanothercgenusc(Pseudomonas).
ANS:c C
Acnamecofcancorganismcmaycchangecascscientistsclearncmorecaboutcthecorganism.cAncoldercnameci
scoftencincludedcincparenthesescnextctoctheccurrentcnamectocalleviatecconfusioncaboutcthecidentityc
ofcthecorganism.
REF:c c 2 OBJ:c c Level:cApplication
6. Acbacteriumcthatchascbeencmovedcfromconecgenusc(Pseudomonas)ctocanothercgenusc(
Burkholderia)cwouldcbeccorrectlycnotedcascwhichconecofcthecfollowing?
a. Pseudomonasc(Burkholderia)
b. Burkholderiac(Pseudomonas)
c. Pseudomonas,cformerlycBurkholderia
d. Burkholderia,cformerlycPseudomonas
ANS:c B
Thecnamecofcancorganismcmaycchangecascscientistsclearncmorecaboutcthecorganism.cAncoldercname
ciscoftencincludedcincparenthesescnextctoctheccurrentcnamectocalleviatecconfusioncaboutcthecidentityc
ofcthecorganism.
REF:c c 2 OBJ:c c Level:cApplication
7. Thectaxoncthatcisccomposedcofcsimilarcspeciescthatchavecseveralcimportantcfeaturescinccommoncb
utcdiffercsufficientlyctocstillcmaintainctheircstatuscascindividualcspeciesciscwhichconecofcthecfollow
ing?
a. Class
b. Order
c. Family
d. Genus
ANS:c D
Thecgenuscisccomposedcofcsimilarcspecies.
REF:c c 1 OBJ:c c Level:cKnowledge
8. Whichcbinomialcnamecisccorrectlycwritten?
a. StaphylococcuscAureus
b. staphylococcuscaureus
c. Staphylococcuscaureus
d. Staphylococcuscaureus
, ANS:c C
Thecgenuscshouldcbeccapitalized,candcthecspeciescshouldcbecinclowercase.cThecentirecnamecisceitherc
italicizedcorcunderlined.
REF:c c 2 OBJ:c c Level:cApplication
9. Ancexamplecofcancorganism’scgenotypicccharacteristicciscits:
a. macroscopiccmorphologiccstructure.
b. microscopiccmorphologiccstructure.
c. nucleiccacidccomposition.
d. antigeniccproperties.
ANS:c C
Thecorganism’scnucleiccacidccomposition—
deoxyribonucleiccacidc(DNA)candcribonucleiccacidc(RNA)—
iscacgenotypicccharacteristic.cAllcofcthecothercchoicescarecphenotypicccharacteristics.
REF:c c 2–3 OBJ:c c Level:cKnowledge
10. Ancorganismciscserologicallycidentifiedcincthecclinicalclaboratory.cThisciscancexamplecofcwhichcp
henotypiccproperty?
a. Subcellularcproperties
b. Antigeniccproperties
c. Resistantcprofiles
d. Nucleiccacidcsequencecanalysis
ANS:c B
Serologiccmethodscexaminecthecorganism’scantigeniccproperties.
REF:c c 3 OBJ:c c Level:cApplication
c c c c
Test Bank
c
MULTIPLEcCHOICE
1. Taxonomyccancbecdescribedcascacsystemcthat:
a. classifies,cnames,candcidentifiescmicroorganismscincacconsistentcmanner.
b. classifiescmicroorganisms,cbasedconctheircgeneticcmakeup.
c. classifiescmicroorganisms,cbasedconctheircphenotypiccmakeup.
d. classifiescmicroorganisms,cbasedconctheirccellularcandccolonialctraits.
ANS:c A
Taxonomyciscacsystemcthatcconsistentlycclassifies,cnames,candcidentifiescmicroorganisms.cAlthou
ghcorganismschavecgenotypiccandcphenotypicccharacteristics,cascwellcasccellularcandccolonialcchara
cteristics,canswercAcbestcdescribescthectermctaxonomy.
REF:c c 1 OBJ:c c Level:cKnowledge
2. Thecmostcbasicctaxonomiccgroupcthatccancbecdefinedcascaccollectioncofcbacterialcstrainscthatcsh
arecmanyccommoncphysiologiccandcgeneticcfeaturescis:
a. genus.
b. species.
c. class.
d. kingdom.
ANS:c B
Bacteriacarecclassifiedcintocthecsamecspecies,cbasedconctheircphysiologiccandcgeneticcsimilaritiesc
andctheircdifferencescfromcbacteriacincothercspecies.
REF:c c 1 OBJ:c c Level:cKnowledge
3. Colonialcandcmicroscopiccmorphologiccproperties,calongcwithcthecpigmentationcofccolonies,c
wouldcbelongctocacmicroorganismcgroupcofc characteristics.
a.genotypic
b.taxonomic
c.phenotypic
d.subspecies
ANS:c C
Phenotypicccharacteristicscarecthecobservablecpropertiescofcthecsubject.
REF:c c 2–3 OBJ:c c Level:cApplication
4. Whichcbinomialcnamecisccorrectlycwritten?
a. Escherichiaccoli
b. Escherichiaccoli
c. Escherichiaccoli
d. EscherichiacColi
ANS:c A
, Thecgenuscshouldcbeccapitalized,candcthecspeciescshouldcbecinclowercase.cThecentirecnamecisceitherc
italicizedcorcunderlined.
REF:c c 2 OBJ:c c Level:cApplication
5. Thecusecofcacdoublecgenuscincacmicroorganism’sclabel,csuchcascBurkholderiac(Pseudomonas),
indicatescthatcthecbacterium:
a. doescnotcfitcwellcinceithercgroupcbutchascsomeccharacteristicscofcbothcgroups.
b. iscacgeneticccrosscbetweencthectwocgroups.
c. hascbeencmovedcfromconecgenusc(Pseudomonas)ctocanothercgenusc(Burkholderia).
d. hascbeencmovedcfromconecgenusc(Burkholderia)ctocanothercgenusc(Pseudomonas).
ANS:c C
Acnamecofcancorganismcmaycchangecascscientistsclearncmorecaboutcthecorganism.cAncoldercnameci
scoftencincludedcincparenthesescnextctoctheccurrentcnamectocalleviatecconfusioncaboutcthecidentityc
ofcthecorganism.
REF:c c 2 OBJ:c c Level:cApplication
6. Acbacteriumcthatchascbeencmovedcfromconecgenusc(Pseudomonas)ctocanothercgenusc(
Burkholderia)cwouldcbeccorrectlycnotedcascwhichconecofcthecfollowing?
a. Pseudomonasc(Burkholderia)
b. Burkholderiac(Pseudomonas)
c. Pseudomonas,cformerlycBurkholderia
d. Burkholderia,cformerlycPseudomonas
ANS:c B
Thecnamecofcancorganismcmaycchangecascscientistsclearncmorecaboutcthecorganism.cAncoldercname
ciscoftencincludedcincparenthesescnextctoctheccurrentcnamectocalleviatecconfusioncaboutcthecidentityc
ofcthecorganism.
REF:c c 2 OBJ:c c Level:cApplication
7. Thectaxoncthatcisccomposedcofcsimilarcspeciescthatchavecseveralcimportantcfeaturescinccommoncb
utcdiffercsufficientlyctocstillcmaintainctheircstatuscascindividualcspeciesciscwhichconecofcthecfollow
ing?
a. Class
b. Order
c. Family
d. Genus
ANS:c D
Thecgenuscisccomposedcofcsimilarcspecies.
REF:c c 1 OBJ:c c Level:cKnowledge
8. Whichcbinomialcnamecisccorrectlycwritten?
a. StaphylococcuscAureus
b. staphylococcuscaureus
c. Staphylococcuscaureus
d. Staphylococcuscaureus
, ANS:c C
Thecgenuscshouldcbeccapitalized,candcthecspeciescshouldcbecinclowercase.cThecentirecnamecisceitherc
italicizedcorcunderlined.
REF:c c 2 OBJ:c c Level:cApplication
9. Ancexamplecofcancorganism’scgenotypicccharacteristicciscits:
a. macroscopiccmorphologiccstructure.
b. microscopiccmorphologiccstructure.
c. nucleiccacidccomposition.
d. antigeniccproperties.
ANS:c C
Thecorganism’scnucleiccacidccomposition—
deoxyribonucleiccacidc(DNA)candcribonucleiccacidc(RNA)—
iscacgenotypicccharacteristic.cAllcofcthecothercchoicescarecphenotypicccharacteristics.
REF:c c 2–3 OBJ:c c Level:cKnowledge
10. Ancorganismciscserologicallycidentifiedcincthecclinicalclaboratory.cThisciscancexamplecofcwhichcp
henotypiccproperty?
a. Subcellularcproperties
b. Antigeniccproperties
c. Resistantcprofiles
d. Nucleiccacidcsequencecanalysis
ANS:c B
Serologiccmethodscexaminecthecorganism’scantigeniccproperties.
REF:c c 3 OBJ:c c Level:cApplication
