Chapter3f1:3fAn3fInvisible World
Q,
*3 f =Correct answer3fMult
Q,
iple3fChoice
1. Which3fof3fthe3ffollowing3fis3ftrue3fof3fthe3fmicrobial3fworld?
A. All3fmicrobes3fare3fharmful.
B. Humans3fcould3fsurvive3fwithout3fmicrobes.
C. Many3fmicrobes3fare3fhelpful.*
D. Most3fmicrobes3fare3fpathogenic.
Difficulty:3fEasy
ASM3fStandard:3f23,3f24
2. Which3fof3fthe3ffollowing3fis3fwhen3fhumans3ffirst3fsuspected3ftheexistence3fof3fmicrobes?
A. during3fthe3fIndustrial3fRevolution
B. in3fprehistoric3ftimes*
C. in3fthe3flast3fcentury
D. within3fthe3flast3f5003fyears
Difficulty:3fEasy3fAS
MStandard:23
3. Which3findividual3ffirst3fobserved3funicellular3forganisms,3fwhich3fhe3fcalle
d3f“animalcules,”3fusing3fa3fmicroscope3fhe3fdeveloped?
A. Robert3fKoch
B. Louis3fPasteur
C. Thucydides
D. Antonie3fvan3fLeeuwenhoek*
Difficulty:3fEasy3fAS
MStandard:6
4. To3freduce3fthe3frisk3fof3fopenflame from3fBunsen3fburners,microbiologists3f
Q,
are3fincreasingly3fusing3fwhich3fof3fthe3ffollowing3fdevices3ffor3feasy,3frapid3fb
enchtop3fsterilization3fof3fsmall3fpieces3fof3fequipment?
A. autoclaves
B. ethylene3foxide
C. incubators
D. microincinerators*
Difficulty:3fEasy3fAS
MStandard:36
,5. The3fSwedish3fbotanist known3ffor3fhaving3fdeveloped3fan3fimportant biologic
Q, Q,
al3fclassification3fsystem3fis3fwhich3fof3fthe3ffollowing3fpeople?
A. Ernst3fHaeckel
B. Carolus3fLinnaeus*
C. Louis3fPasteur
D. Robert3fWhittaker
Difficulty:3fEasy3fAS
MStandard:N/A
6. Which3fkingdom3fwas3fthe3fonly3fone3ffound3fin3fEmpire3fProkaryota?
A. Animalia
B. Fungi
C. Monera*
D. Protista
Difficulty:3fEasy3fAS
MStandard:N/A
7. Which3fare3fthe3fthree3fcurrently3faccepted3fdomains?
A. Archaea,3fBacteria,3fand3fEukarya*
B. Archaea,3fProkaryota,3fand3fEukaryota
C. Bacteria,3fFungi,3fand3fProtista
D. Bacteria,Prokaryota,3fand3fEukarya
Difficulty:3fEasy3fAS
MStandard:N/A
8. Which3ftwo3ftaxonomic3funits3fare3ftypically3fused3fto3fidentify3fan3forganism3fwhen3fusi
ng3fbinomial3fnomenclature?
A. domain3fand3fkingdom
B. genus3fand3ffamily
C. genus3fand3fspecies*
D. phylum3fand3fclass
Difficulty:3fEasy3fAS
MStandard:N/A
9. Which3fof3fthe3ffollowing3fis3fnot3ftrue3fabout the3fprocess3fof3ffermentation?
Q,
A. It3fcan3fhelp3fpreserve3ffoods,3fpreventing3fspoilage.
B. It3fconverts3fsugars3fto3forganic3facids,3falcohols,3fand/or3fgases3fsuch3fas3fcarbon3fdioxide.
C. It3fis3fcarried3fout exclusively3fby3funicellular3feukaryotes3fsuch3fas3fyeast.*
Q,
D. It3fis3fused3fto3fmake3ffoods3fsuch3fas3fcheese3fand3fbread.
Difficulty:3fModerate
ASM3fStandard:3f11,3f23,3f26
, 10. The3fRomans3fmay3fhave3freduced3ftheir3frisk3fof3fwaterborne3finfectiousdiseases3fby3fusi
ng3fwhich3fof3fthe3ffollowing?
A. a3fvariety3fof3fpharmaceutical3fproducts
B. aqueducts3fand3fa3fsewer3fsystem*
C. prophylactic3fantibiotics
D. quarantine3fof3fpeople3fwith3fleprosy
Difficulty:Moderate3
fASM3fStandard:3f2
3
11. For3fwhich3fof3fthe3ffollowing3fis3fThucydides3fknown?
A. developing3faneffective3fsewer3fsystem3fin3fancient Greece,3fhelping3fto3fre
Q,
duce3flevels3fof3fdisease3fin3fcities
B. observing3fmicrobes,3fusing3fa3fmicroscope,3fforthe3ffirst3ftime,3feven3fdistinguis
hing3fbetween3fbacteria3fand3ffungi
C. proposing3fthat3fdisease3fwas3fcaused3fbymicroorganisms
D. realizing3fthat3fpeople3fwho3fhad3fbeen3finfected3fby3fthe3fAthenian3fplagu
e3fhad3fimmunity3fto3freinfection*
Difficulty:3fModerate3fAS
MStandard:23,31
12. Ernst3fHaeckel3fproposed3fa3fclassification3fsystem3fconsisting3fof3fwhich3fof3ft
he3ffollowing3fsubgroups?
A. five3fkingdoms
B. four3fkingdoms*
C. two3fdomains3fand3fthree3fkingdoms
D. two3fdomains3fand3ffive3fkingdoms
Difficulty:Moderate3
fASMStandard:3fN/
A
13. Viruses3fnot included3fin3fphylogenetic3ftrees3ffor3fwhich3fof3fthe3ffollowing3freasons?
Q,
A. It3fis3ftoo3fdifficult3fto3fobserve3ftheir3fcharacteristics.
B. They3fare3facellular3fand3fnonliving.*
C. They3fdo3fnot3fhave3fanygenes,3fwhich3fprevents3fgenetic3fanalysis.
D. They3flack3fa3fnucleus.
Difficulty:Moderate3
fASM3fStandard:3f5
14. Which3fis3fthe3fbest3fdescription3fof3fthe3fprimary3fpurpose3fof3fa3fphylogeny?
A. Phylogenies3fshow3fall3fthe3falterative3fnames3ffor3feach3fspecies.
B. Phylogenies3fshow3fall3fthe3fcommon3fnames3ffor3feach3fspecies.
C. Phylogenies3fshowevolutionaryrelatedness between3forganisms.*
Q,