MICROBIOLOGY
OPENSTAX
TESTBANK n
,
,OpenStaxnMicrobiologynTestnBankn
Chaptern1:nAnnInvisiblenWorld
Chaptern1:nAnnInvisiblenWorld
*n=nCorrectnanswern
MultiplenChoice
1. nWhichnofnthenfollowingnisntruenofnthenmicrobialnworld?
A. Allnmicrobesnarenharmful.
B. Humansncouldnsurvivenwithoutnmicrobes.
C. Manynmicrobesnarenhelpful.*
D. Mostnmicrobesnarenpathogenic.
Difficulty:nEasy
ASMnStandard:n23,n24
2. Whichnofnthenfollowingnisnwhennhumansnfirstnsuspectednthenexistencenofnmicrobes?
A. duringnthenIndustrialnRevolution
B. innprehistoricntimes*
C. innthenlastncentury
D. withinnthenlastn500nyears
Difficulty:nEasynA
SMnStandard:n23
3. Whichnindividualnfirstnobservednunicellularnorganisms,nwhichnhencalledn“animalcules,”nusingna
nmicroscopenhendeveloped?
A. RobertnKoch
B. LouisnPasteur
C. Thucydides
D. AntonienvannLeeuwenhoek*
Difficulty:nEasyn
ASMnStandard:n6
4. TonreducenthenrisknofnopennflamenfromnBunsennburners,nmicrobiologistsnarenincreasinglynusingn
whichnofnthenfollowingndevicesnforneasy,nrapidnbenchtopnsterilizationnofnsmallnpiecesnofnequipm
ent?
A. autoclaves
B. ethylenenoxide
C. incubators
D. microincinerators*
Difficulty:nEasynA
SMnStandard:n36
Pagen1nofn17
, OpenStaxnMicrobiologynTestnBankn
Chaptern1:nAnnInvisiblenWorld
5. ThenSwedishnbotanistnknownnfornhavingndevelopednannimportantnbiologicalnclassificationns
ystemnisnwhichnofnthenfollowingnpeople?
A. ErnstnHaeckel
B. CarolusnLinnaeus*
C. LouisnPasteur
D. RobertnWhittaker
Difficulty:nEasynAS
MnStandard:nN/A
6. WhichnkingdomnwasnthenonlynonenfoundninnEmpirenProkaryota?
A. Animalia
B. Fungi
C. Monera*
D. Protista
Difficulty:nEasynAS
MnStandard:nN/A
7. Whichnarenthenthreencurrentlynacceptedndomains?
A. Archaea,nBacteria,nandnEukarya*
B. Archaea,nProkaryota,nandnEukaryota
C. Bacteria,nFungi,nandnProtista
D. Bacteria,nProkaryota,nandnEukarya
Difficulty:nEasynAS
MnStandard:nN/A
8. Whichntwontaxonomicnunitsnarentypicallynusedntonidentifynannorganismnwhennusingnbinomialnn
omenclature?
A. domainnandnkingdom
B. genusnandnfamily
C. genusnandnspecies*
D. phylumnandnclass
Difficulty:nEasynAS
MnStandard:nN/A
9. Whichnofnthenfollowingnisnnotntruenaboutnthenprocessnofnfermentation?
A. Itncannhelpnpreservenfoods,npreventingnspoilage.
B. Itnconvertsnsugarsntonorganicnacids,nalcohols,nand/orngasesnsuchnasncarbonndioxide.
C. Itnisncarriednoutnexclusivelynbynunicellularneukaryotesnsuchnasnyeast.*
D. Itnisnusedntonmakenfoodsnsuchnasncheesenandnbread.
Difficulty:nModeratenAS
MnStandard:n11,n23,n26
Pagen2nofn17