BIO 201 UNIT 1: Introduction to
Microbiology Questions and
Answers Updated 2026
WhatBisBMicrobiology?B-BBAnswerTheBstudyBofBsmallBlife
HowBdoBweBviewBtheseBsmallBlifeforms?B-BBAnswerWithBaBmicroscope
WhatBmakesBupBthisBsmallBlife?B-BBAnswerMicroorganismsBorBmicrobes
NormalBFloraB-
BBAnswerMicroorganismsBfoundBinBandBonBtheBbodyBthatBareBnotBharmfulBinBtheB
rightB
-locationB
-concentration
EdwardBJennerB-
BBAnswerIsBdocumentedBwithBtheBfirstBvaccine:Bimmunity=protection
ImmunityBagainstBsmallBpoxBbyBgivingBindividualsBcowBpoxB(benign)
ElieBMetchnikoffB-BBAnswerDiscoveredB
Phagocytosis:BcellBeatingB
CellularBTheoryBofBimmunity
HansBChristianBGramB-BBAnswerDevelopedBtheBgramBstain
SameBprocedureBusedBtoday
, RichardBPetriB-BBAnswerInventedBtheBpetriBdish
DimitriBIwanowskiB-
BBAnswerDiscoveredBorganismBcalledBTobaccoBMosaicBVirusB(TMV)
PaulBEhrlichB-BBAnswerDiscoveredBtheBfirstB"cure"BforBsyphilis
MedicationBwasBSalvarsanB(arsenic)
WantedBtoBdevelopBaB"MagicBBullet"BaBtreatmentBtheBgoesBafterBtheBdiseaseBwith
outBharmingBtheBhost.
AlexanderBFlemingB-
BBAnswer*AccidentallyBdiscoveredBtheBmoldBgenusBPenicillium,BleadingBtoBtheBcreat
ionBofBPenicillin
-
DiscoveredBinB1929,BbutBnotBrecognizedBuntilB1945,BwhenBpenicillinBwouldBbeBputB
onBtheBmarket
-PenicillinBisBresistantBtoBStaph
SelmanBWaksmanB-BBAnswerDiscoveredBstreptomycin,BusedBtoBtreatBT.B.
RebeccaBLancefieldB-BBAnswerGroupingBtogetherBStreptococcus
-Serotypes:BvariantsBwithinBaBspecies
TaxonomyB-BBAnswerOrganizationBorBcategorizationBofBorganisms
RobertBWhittakerB-BBAnswerDevelopedBtheB5BKingdomBSystem
1.BMoneraB(noBlongerBinBuse)
Microbiology Questions and
Answers Updated 2026
WhatBisBMicrobiology?B-BBAnswerTheBstudyBofBsmallBlife
HowBdoBweBviewBtheseBsmallBlifeforms?B-BBAnswerWithBaBmicroscope
WhatBmakesBupBthisBsmallBlife?B-BBAnswerMicroorganismsBorBmicrobes
NormalBFloraB-
BBAnswerMicroorganismsBfoundBinBandBonBtheBbodyBthatBareBnotBharmfulBinBtheB
rightB
-locationB
-concentration
EdwardBJennerB-
BBAnswerIsBdocumentedBwithBtheBfirstBvaccine:Bimmunity=protection
ImmunityBagainstBsmallBpoxBbyBgivingBindividualsBcowBpoxB(benign)
ElieBMetchnikoffB-BBAnswerDiscoveredB
Phagocytosis:BcellBeatingB
CellularBTheoryBofBimmunity
HansBChristianBGramB-BBAnswerDevelopedBtheBgramBstain
SameBprocedureBusedBtoday
, RichardBPetriB-BBAnswerInventedBtheBpetriBdish
DimitriBIwanowskiB-
BBAnswerDiscoveredBorganismBcalledBTobaccoBMosaicBVirusB(TMV)
PaulBEhrlichB-BBAnswerDiscoveredBtheBfirstB"cure"BforBsyphilis
MedicationBwasBSalvarsanB(arsenic)
WantedBtoBdevelopBaB"MagicBBullet"BaBtreatmentBtheBgoesBafterBtheBdiseaseBwith
outBharmingBtheBhost.
AlexanderBFlemingB-
BBAnswer*AccidentallyBdiscoveredBtheBmoldBgenusBPenicillium,BleadingBtoBtheBcreat
ionBofBPenicillin
-
DiscoveredBinB1929,BbutBnotBrecognizedBuntilB1945,BwhenBpenicillinBwouldBbeBputB
onBtheBmarket
-PenicillinBisBresistantBtoBStaph
SelmanBWaksmanB-BBAnswerDiscoveredBstreptomycin,BusedBtoBtreatBT.B.
RebeccaBLancefieldB-BBAnswerGroupingBtogetherBStreptococcus
-Serotypes:BvariantsBwithinBaBspecies
TaxonomyB-BBAnswerOrganizationBorBcategorizationBofBorganisms
RobertBWhittakerB-BBAnswerDevelopedBtheB5BKingdomBSystem
1.BMoneraB(noBlongerBinBuse)