n n n n n
QUESTIONS AND SOLUTIONS.ALL CHAPTERSI
n n n n
NCLUDED
Chaptern1:nAnnInvisiblenWorld
*n=nCorrectnanswern
MultiplenChoice
1. Yeastsnarenwhichnofnthenfollowing?
A. antypenofnalgae
B. antypenofnprotist
C. anynunicellularnmicrobe
D. unicellularnfungi*
Difficulty:nModeratenASMn
Standard:n20
3. Thencellnwallsnofnarchaeansnoftenncontainnwhichnofnthenfollowingnsubstances?
A. cellulose
B. chitin
C. peptidoglycan
D. pseudopeptidoglycan*n
ASMnStandard:n20
4. Whichnofnthenfollowingnisnnotntruenofnarchaeans?nA.nSomenspeciesnlivenonnthenhumannbody.
B. Theynarengeneticallyndistinctnfromnbacteria.
C. Theynarenonlynfoundninnextremenenvironments.*
D. Theynhavensubstantialnmetabolicndifferencesnfromnbacteria.
Difficulty:nDifficultnASMn
Standard:n20
Pagen1nofn17
,Whichnofnthenfollowingnisnnotntruenaboutnthenprocessnofnfer
mentation?nA.nItncannhelpnpreservenfoods,npreventingnsp
oilage.
B. Itnconvertsnsugarsntonorganicnacids,nalcohols,nand/orngasesnsuchnasncarbonndioxide.
C. Itnisncarriednoutnexclusivelynbynunicellularneukaryotesnsuchnasnyeast.*
D. Itnisnusedntonmakenfoodsnsuchnasncheesenandnbread.
Difficulty:n ModeratenAS
MnStandard:n11,n23,n26
5. ThenRomansnmaynhavenreducedntheirnrisknofnwaterborneninfectiousndiseasesnbynusingnwhichn
ofnthenfollowing?
A. anvarietynofnpharmaceuticalnproducts
B. aqueductsnandnansewernsystem*
C. prophylacticnantibiotics
D. quarantinenofnpeoplenwithnleprosyn
Difficulty:nModerate
ASMnStandard:n23
6. FornwhichnofnthenfollowingnisnThucydidesnknown?
A. developingnanneffectivensewernsystemninnancientnGreece,nhelpingntonreducenlevelsnofn
diseaseninncities
B. observingnmicrobes,nusingnanmicroscope,nfornthenfirstntime,nevenndistinguishingnbetweenn
bacterianandnfungi
C. proposingnthatndiseasenwasncausednbynmicroorganisms
D. realizingnthatnpeoplenwhonhadnbeenninfectednbynthenAtheniannplaguenhadnimmunitynton
reinfection*
Difficulty:nModeraten
ASMnStandard:n23,n31
7. ErnstnHaeckelnproposednanclassificationnsystemnconsistingnofnwhichnofnthenfollowingn
subgroups?nA.nfivenkingdoms
B. fournkingdoms*
C. twondomainsnandnthreenkingdoms
D. twondomainsnandnfivenkingdoms
Difficulty:nModeratenASMn
Standard:nN/A
Pagen2nofn17
,8. Virusesnnotnincludedninnphylogeneticntreesnfornwhichnofnthenfollowingnreasons?nA.nItnisntoon
difficultntonobserventheirncharacteristics.
B. Theynarenacellularnandnnonliving.*
C. Theyndonnotnhavenanyngenes,nwhichnpreventsngeneticnanalysis.
D. Theynlacknannucleus.
Difficulty:nModeratenASMn
Standard:n5
9. Whichnisnthenbestndescriptionnofnthenprimarynpurposenofnanphylogeny?nA.nPhylogeniesnshown
allnthenalterativennamesnforneachnspecies.
B. Phylogeniesnshownallnthencommonnnamesnforneachnspecies.
C. Phylogeniesnshownevolutionarynrelatednessnbetweennorganisms.*
D. Phylogeniesnshowninteractionsnbetweennspeciesninnansharednhabitat.
Difficulty:nModeratenASMn
Standard:n5
10. Currentnphylogeneticnanalysesnincludenwhichnofnthenfollowing?
A. informationnfromnanrangenofnsources,nincludingnmorphological,ngenetic,nandnbiochemicaln
data*
B. informationnonnvisiblensimilaritiesnonly
C. informationnregardingnhowntonclassifynorganismsnonnthenbasisnofnexternalnmorphologicaln
characteristicsnandnvisiblenbehaviors
D. variednmorphologicalnandnstructuralncharacteristics,nwithnpreferencenfornleavingnhistoricaln
classificationsntonpreventnconfusion
Difficulty:nModeratenASMn
Standard:n5
11. Diatomsnarenclassifiednwithinnwhichnofnthenfollowingndomains?
A. Archaea
B. Bacteria
C. Eukarya*
D. Prokaryota
Difficulty:nModeratenASMn
Standard:nN/A
12. Horizontalngenentransferninvolvesnwhichnofnthenfollowing?
A. anyntransfernofngenesninnanlaboratorynsetting
Pagen3nofn17
, B. thentransfernofngenesnfromnanvirusntonanbacteriumnornvicenversanbutnnotnanynothernformnofn
genentransfer
C. thentransfernofngenesnfromnonenindividualntonanother,nincludingnfromnonenspeciesnton
another,nbutnnotnfromnparentntonoffspring*nD.nthentransfernofngenesnfromnparentnton
offspring
Difficulty:nModeraten
ASMnStandard:n2,n4
13. Bacterianarengenerallynidentifiedntonspeciesnbynusingnwhichnofnthenfollowing?
A. ancombinationnofngenetic,nbiochemical,nandnmicroscopicnapproaches*
B. ancombinationnofnmicroscopicnandnphysiologicalnapproaches,nbutnnotngenetics
C. primarilyncharacteristicsnsuchnasnmotilitynthatncannbenvisualizednusingnmicroscopy
D. primarilynmorphologicalncharacteristicsnofnindividualncells
Difficulty:nModeraten
ASMnStandard:n34,n36
14. Forntaxonomicnclassificationnofnmicrobes,nserologicalntestsntypicallynarenusedntondonwhichnofn
thenfollowing?
A. determinencompletengenomensequencesnfornmicrobes
B. identifynproteinsnonnthenbasisnofntheirnreactionnwithnspecificnantibodies*
C. runnanalysesntonidentifynwhethernparticularngenesnarenpresent
D. visualizenmicrobialnexternalnmorphology
Difficulty:nModeratenAS
MnStandard:n34,n36
Whichnofnthenfollowingnisntruenofnthenmicrobialnworld?nA.nAlln
microbesnarenharmful.
B.n Humansncouldnsurvivenwithoutnmicrobes.
C.n Manynmicrobesnarenhelpful.*D.nMostnmicrobesnaren
pathogenic.
Difficulty:nEasy
ASMnStandard:n23,n24
15. Whichnofnthenfollowingnisnwhennhumansnfirstnsuspectednthenexistencenofnmicrobes?
A. duringnthenIndustrialnRevolution
B. innprehistoricntimes*
C. innthenlastncentury
Pagen4nofn17