TEST BANK FOR OPEXSTAX
MICROBIOLOGY QUESTIONS AND
SOLUTIONS.ALL CHAPTERS INCLUDED
Chaptery 1:y Any Invisibley World
*y =y Correcty answery
Multipley Choice
1. Yeastsy arey whichy ofy they following?
A. ay typey ofy algae
B. ay typey ofy protist
C. anyy unicellulary microbe
D. unicellulary fungi*
Difficulty:y Moderatey ASMy
Standard:y 20
3. They celly wallsy ofy archaeansy ofteny containy whichy ofy they followingy substances?
A. cellulose
B. chitin
C. peptidoglycan
D. pseudopeptidoglycan*y
ASMy Standard:y 20
4. Whichy ofy they followingy isy noty truey ofy archaeans?y A.y Somey speciesy livey ony they humany body.
B.y Theyy arey geneticallyy distincty fromy bacteria.
C.y Theyy arey onlyy foundy iny extremey environments.*
D.y Theyy havey substantialy metabolicy differencesy fromy bacteria.
Difficulty:y Difficulty
ASMy Standard:y 20
Pagey 1y ofy
17
,Whichy ofy they followingy isy noty truey abouty they processy ofy
fermentation?y A.y Ity cany helpy preservey foods,y preventingy
spoilage.
B.y Ity convertsy sugarsy toy organicy acids,y alcohols,y and/ory gasesy suchy asy carbony dioxide.
C.y Ity isy carriedy outy exclusivelyy byy unicellulary eukaryotesy suchy asy yeast.*
D.y Ity isy usedy toy makey foodsy suchy asy cheesey andy bread.
Difficulty:y Moderatey
ASMy Standard:y 11,y 23,y
26
5. They Romansy mayy havey reducedy theiry risky ofy waterborney infectiousy diseasesy byy usingy
whichy ofy they following?
A. ay varietyy ofy pharmaceuticaly products
B. aqueductsy andy ay sewery system*
C. prophylacticy antibiotics
D. quarantiney ofy peopley withy
leprosyy Difficulty:y Moderate
ASMy Standard:y 23
6. Fory whichy ofy they followingy isy Thucydidesy known?
A. developingy any effectivey sewery systemy iny ancienty Greece,y helpingy toy reducey levelsy
ofy diseasey iny cities
B. observingy microbes,y usingy ay microscope,y fory they firsty time,y eveny distinguishingy
betweeny bacteriay andy fungi
C. proposingy thaty diseasey wasy causedy byy microorganisms
D. realizingy thaty peopley whoy hady beeny infectedy byy they Atheniany plaguey hady immunityy
toy reinfection*
Difficulty:y Moderatey
ASMy Standard:y 23,y 31
7. Ernsty Haeckely proposedy ay classificationy systemy consistingy ofy whichy ofy they
followingy subgroups?y A.y fivey kingdoms
B.y foury kingdoms*
C.y twoy domainsy andy threey kingdoms
D.y twoy domainsy andy fivey kingdoms
Difficulty:y Moderatey ASMy
Standard:y N/A
Pagey 2y ofy
17
,8. Virusesy noty includedy iny phylogeneticy treesy fory whichy ofy they followingy reasons?y A.y Ity
isy tooy difficulty toy observey theiry characteristics.
B.y Theyy arey acellulary andy nonliving.*
C.y Theyy doy noty havey anyy genes,y whichy preventsy geneticy analysis.
D.y Theyy lacky ay nucleus.
Difficulty:y Moderatey ASMy
Standard:y 5
9. Whichy isy they besty descriptiony ofy they primaryy purposey ofy ay phylogeny?y A.y Phylogeniesy
showy ally they alterativey namesy fory eachy species.
B.y Phylogeniesy showy ally they commony namesy fory eachy species.
C.y Phylogeniesy showy evolutionaryy relatednessy betweeny organisms.*
D.y Phylogeniesy showy interactionsy betweeny speciesy iny ay sharedy habitat.
Difficulty:y Moderatey ASMy
Standard:y 5
10. Currenty phylogeneticy analysesy includey whichy ofy they following?
A. informationy fromy ay rangey ofy sources,y includingy morphological,y genetic,y andy
biochemicaly data*
B. informationy ony visibley similaritiesy only
C. informationy regardingy howy toy classifyy organismsy ony they basisy ofy externaly
morphologicaly characteristicsy andy visibley behaviors
D. variedy morphologicaly andy structuraly characteristics,y withy preferencey fory leavingy
historicaly classificationsy toy preventy confusion
Difficulty:y Moderatey ASMy
Standard:y 5
11. Diatomsy arey classifiedy withiny whichy ofy they followingy domains?
A. Archaea
B. Bacteria
C. Eukarya*
D. Prokaryota
Difficulty:y Moderatey ASMy
Standard:y N/A
12. Horizontaly geney transfery involvesy whichy ofy they following?
A. anyy transfery ofy genesy iny ay laboratoryy setting
Pagey 3y ofy
17
, B. they transfery ofy genesy fromy ay virusy toy ay bacteriumy ory vicey versay buty noty anyy othery
formy ofy geney transfer
C. they transfery ofy genesy fromy oney individualy toy another,y includingy fromy oney speciesy
toy another,y buty noty fromy parenty toy offspring*y D.y they transfery ofy genesy fromy
parenty toy offspring
Difficulty:y
Moderatey ASMy
Standard:y 2,y 4
13. Bacteriay arey generallyy identifiedy toy speciesy byy usingy whichy ofy they following?
A. ay combinationy ofy genetic,y biochemical,y andy microscopicy approaches*
B. ay combinationy ofy microscopicy andy physiologicaly approaches,y buty noty genetics
C. primarilyy characteristicsy suchy asy motilityy thaty cany bey visualizedy usingy microscopy
D. primarilyy morphologicaly characteristicsy ofy individualy cells
Difficulty:y Moderatey
ASMy Standard:y 34,y 36
14. Fory taxonomicy classificationy ofy microbes,y serologicaly testsy typicallyy arey usedy toy doy
whichy ofy they following?
A. determiney completey genomey sequencesy fory microbes
B. identifyy proteinsy ony they basisy ofy theiry reactiony withy specificy antibodies*
C. runy analysesy toy identifyy whethery particulary genesy arey present
D. visualizey microbialy externaly morphology
Difficulty:y Moderatey
ASMy Standard:y 34,y 36
Whichy ofy they followingy isy truey ofy they microbialy world?y A.y
Ally microbesy arey harmful.
B.y Humansy couldy survivey withouty microbes.
C.y Manyy microbesy arey helpful.*D.y Mosty microbesy arey
pathogenic.
Difficulty:y Easy
ASMy Standard:y 23,y 24
15. Whichy ofy they followingy isy wheny humansy firsty suspectedy they existencey ofy microbes?
A. duringy they Industrialy Revolution
B. iny prehistoricy times*
C. iny they lasty century
Pagey 4y ofy
17
MICROBIOLOGY QUESTIONS AND
SOLUTIONS.ALL CHAPTERS INCLUDED
Chaptery 1:y Any Invisibley World
*y =y Correcty answery
Multipley Choice
1. Yeastsy arey whichy ofy they following?
A. ay typey ofy algae
B. ay typey ofy protist
C. anyy unicellulary microbe
D. unicellulary fungi*
Difficulty:y Moderatey ASMy
Standard:y 20
3. They celly wallsy ofy archaeansy ofteny containy whichy ofy they followingy substances?
A. cellulose
B. chitin
C. peptidoglycan
D. pseudopeptidoglycan*y
ASMy Standard:y 20
4. Whichy ofy they followingy isy noty truey ofy archaeans?y A.y Somey speciesy livey ony they humany body.
B.y Theyy arey geneticallyy distincty fromy bacteria.
C.y Theyy arey onlyy foundy iny extremey environments.*
D.y Theyy havey substantialy metabolicy differencesy fromy bacteria.
Difficulty:y Difficulty
ASMy Standard:y 20
Pagey 1y ofy
17
,Whichy ofy they followingy isy noty truey abouty they processy ofy
fermentation?y A.y Ity cany helpy preservey foods,y preventingy
spoilage.
B.y Ity convertsy sugarsy toy organicy acids,y alcohols,y and/ory gasesy suchy asy carbony dioxide.
C.y Ity isy carriedy outy exclusivelyy byy unicellulary eukaryotesy suchy asy yeast.*
D.y Ity isy usedy toy makey foodsy suchy asy cheesey andy bread.
Difficulty:y Moderatey
ASMy Standard:y 11,y 23,y
26
5. They Romansy mayy havey reducedy theiry risky ofy waterborney infectiousy diseasesy byy usingy
whichy ofy they following?
A. ay varietyy ofy pharmaceuticaly products
B. aqueductsy andy ay sewery system*
C. prophylacticy antibiotics
D. quarantiney ofy peopley withy
leprosyy Difficulty:y Moderate
ASMy Standard:y 23
6. Fory whichy ofy they followingy isy Thucydidesy known?
A. developingy any effectivey sewery systemy iny ancienty Greece,y helpingy toy reducey levelsy
ofy diseasey iny cities
B. observingy microbes,y usingy ay microscope,y fory they firsty time,y eveny distinguishingy
betweeny bacteriay andy fungi
C. proposingy thaty diseasey wasy causedy byy microorganisms
D. realizingy thaty peopley whoy hady beeny infectedy byy they Atheniany plaguey hady immunityy
toy reinfection*
Difficulty:y Moderatey
ASMy Standard:y 23,y 31
7. Ernsty Haeckely proposedy ay classificationy systemy consistingy ofy whichy ofy they
followingy subgroups?y A.y fivey kingdoms
B.y foury kingdoms*
C.y twoy domainsy andy threey kingdoms
D.y twoy domainsy andy fivey kingdoms
Difficulty:y Moderatey ASMy
Standard:y N/A
Pagey 2y ofy
17
,8. Virusesy noty includedy iny phylogeneticy treesy fory whichy ofy they followingy reasons?y A.y Ity
isy tooy difficulty toy observey theiry characteristics.
B.y Theyy arey acellulary andy nonliving.*
C.y Theyy doy noty havey anyy genes,y whichy preventsy geneticy analysis.
D.y Theyy lacky ay nucleus.
Difficulty:y Moderatey ASMy
Standard:y 5
9. Whichy isy they besty descriptiony ofy they primaryy purposey ofy ay phylogeny?y A.y Phylogeniesy
showy ally they alterativey namesy fory eachy species.
B.y Phylogeniesy showy ally they commony namesy fory eachy species.
C.y Phylogeniesy showy evolutionaryy relatednessy betweeny organisms.*
D.y Phylogeniesy showy interactionsy betweeny speciesy iny ay sharedy habitat.
Difficulty:y Moderatey ASMy
Standard:y 5
10. Currenty phylogeneticy analysesy includey whichy ofy they following?
A. informationy fromy ay rangey ofy sources,y includingy morphological,y genetic,y andy
biochemicaly data*
B. informationy ony visibley similaritiesy only
C. informationy regardingy howy toy classifyy organismsy ony they basisy ofy externaly
morphologicaly characteristicsy andy visibley behaviors
D. variedy morphologicaly andy structuraly characteristics,y withy preferencey fory leavingy
historicaly classificationsy toy preventy confusion
Difficulty:y Moderatey ASMy
Standard:y 5
11. Diatomsy arey classifiedy withiny whichy ofy they followingy domains?
A. Archaea
B. Bacteria
C. Eukarya*
D. Prokaryota
Difficulty:y Moderatey ASMy
Standard:y N/A
12. Horizontaly geney transfery involvesy whichy ofy they following?
A. anyy transfery ofy genesy iny ay laboratoryy setting
Pagey 3y ofy
17
, B. they transfery ofy genesy fromy ay virusy toy ay bacteriumy ory vicey versay buty noty anyy othery
formy ofy geney transfer
C. they transfery ofy genesy fromy oney individualy toy another,y includingy fromy oney speciesy
toy another,y buty noty fromy parenty toy offspring*y D.y they transfery ofy genesy fromy
parenty toy offspring
Difficulty:y
Moderatey ASMy
Standard:y 2,y 4
13. Bacteriay arey generallyy identifiedy toy speciesy byy usingy whichy ofy they following?
A. ay combinationy ofy genetic,y biochemical,y andy microscopicy approaches*
B. ay combinationy ofy microscopicy andy physiologicaly approaches,y buty noty genetics
C. primarilyy characteristicsy suchy asy motilityy thaty cany bey visualizedy usingy microscopy
D. primarilyy morphologicaly characteristicsy ofy individualy cells
Difficulty:y Moderatey
ASMy Standard:y 34,y 36
14. Fory taxonomicy classificationy ofy microbes,y serologicaly testsy typicallyy arey usedy toy doy
whichy ofy they following?
A. determiney completey genomey sequencesy fory microbes
B. identifyy proteinsy ony they basisy ofy theiry reactiony withy specificy antibodies*
C. runy analysesy toy identifyy whethery particulary genesy arey present
D. visualizey microbialy externaly morphology
Difficulty:y Moderatey
ASMy Standard:y 34,y 36
Whichy ofy they followingy isy truey ofy they microbialy world?y A.y
Ally microbesy arey harmful.
B.y Humansy couldy survivey withouty microbes.
C.y Manyy microbesy arey helpful.*D.y Mosty microbesy arey
pathogenic.
Difficulty:y Easy
ASMy Standard:y 23,y 24
15. Whichy ofy they followingy isy wheny humansy firsty suspectedy they existencey ofy microbes?
A. duringy they Industrialy Revolution
B. iny prehistoricy times*
C. iny they lasty century
Pagey 4y ofy
17
