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, Chapter 1: An Invisible World
* = Correct answer
Multiple Choice
1. Whichwofwthewfollowingwiswtruewofwthewmicrobialwworld?
A. Allwmicrobeswarewharmful.
B. Humanswcouldwsurvivewwithoutwmicrobes.
C. Manywmicrobeswarewhelpful.*
D. Mostwmicrobeswarewpathogenic.
Difficulty:wEasy
ASMwStandard:w23,w24
2. Whichwofwthewfollowingwiswwhenwhumanswfirstwsuspectedwthewexistencewofwmicrobes?
A. duringwthewIndustrialwRevolution
B. inwprehistoricwtimes*
C. inwthewlastwcentury
D. withinwthewlastw500wyears
Difficulty:wEasywAS
MwStandard:w23
3. Whichwindividualwfirstwobservedwunicellularworganisms,wwhichwhewcalledw“animalcules,”wusin
gwawmicroscopewhewdeveloped?
A. RobertwKoch
B. LouiswPasteur
C. Thucydides
D. AntoniewvanwLeeuwenhoek*
Difficulty:wEasywAS
MwStandard:w6
4. TowreducewthewriskwofwopenwflamewfromwBunsenwburners,wmicrobiologistswarewincreasinglywusin
gwwhichwofwthewfollowingwdeviceswforweasy,wrapidwbenchtopwsterilizationwofwsmallwpieceswofwe
quipment?
A. autoclaves
B. ethylenewoxide
C. incubators
D. microincinerators*
Difficulty:wEasywAS
MwStandard:w36
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, 5. ThewSwedishwbotanistwknownwforwhavingwdevelopedwanwimportantwbiologicalwclassificatio
nwsystemwiswwhichwofwthewfollowingwpeople?
A. ErnstwHaeckel
B. CaroluswLinnaeus*
C. LouiswPasteur
D. RobertwWhittaker
Difficulty:wEasywAS
MwStandard:wN/A
6. WhichwkingdomwwaswthewonlywonewfoundwinwEmpirewProkaryota?
A. Animalia
B. Fungi
C. Monera*
D. Protista
Difficulty:wEasywAS
MwStandard:wN/A
7. Whichwarewthewthreewcurrentlywacceptedwdomains?
A. Archaea,wBacteria,wandwEukarya*
B. Archaea,wProkaryota,wandwEukaryota
C. Bacteria,wFungi,wandwProtista
D. Bacteria,wProkaryota,wandwEukarya
Difficulty:wEasywAS
MwStandard:wN/A
8. Whichwtwowtaxonomicwunitswarewtypicallywusedwtowidentifywanworganismwwhenwusingwbinomi
alwnomenclature?
A. domainwandwkingdom
B. genuswandwfamily
C. genuswandwspecies*
D. phylumwandwclass
Difficulty:wEasywAS
MwStandard:wN/A
9. Whichwofwthewfollowingwiswnotwtruewaboutwthewprocesswofwfermentation?
A. Itwcanwhelpwpreservewfoods,wpreventingwspoilage.
B. Itwconvertswsugarswtoworganicwacids,walcohols,wand/orwgaseswsuchwaswcarbonwdioxide.
C. Itwiswcarriedwoutwexclusivelywbywunicellularweukaryoteswsuchwaswyeast.*
D. Itwiswusedwtowmakewfoodswsuchwaswcheesewandwbread.
Difficulty:wModeratewAS
MwStandard:w11,w23,w26
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