MICROBIOLOGY TEST Q and A.docx

MICROBIOLOGY TEST Q and A

,BrockBiologyofMicroorganisms,15e,GlobalEdition(Madiganetal.) Chapter
18Diversity of Microbial Eukarya

MultipleChoiceQuestions

1) Primaryendosymbioses gave rise to and secondaryendosymbioses gave rise to
.
A) chloroplastsinalgae/chloroplastsinplants
B) mitochondriaineukaryotes/chloroplastsineukaryotes
C) chloroplastsandmitochondriainplantsandredandgreenalgae/chloroplastsinother
eukaryotes
D) chloroplastsandmitochondriaingreenandredalgae/chloroplastsandmitochondriain
diatoms
Answer:C
Bloom’sTaxonomy:3-4:Applying/Analyzing Chapter
Section:18.1

2) Evidence of supports the hypothesis that eukaryotes are derived from bacteria.
A) antibiotic resistance
B) DNAcontent inthenucleus only
C) ribosomecharacteristicsonly
D) ribosomecharacteristicsandDNAcontentinthenucleus
Answer:D
Bloom’sTaxonomy:1-2:Remembering/Understanding Chapter
Section:18.1

3) WhichgroupofEukaryahascomplicatedthephylogeneticsofthedomainbyfirstbeing
thought of as ancient as compared to the more recent view of them being highly derived
eukaryotes?
A) dinoflagellates
B) fungi
C) hydrogenosome-containingeukaryotes
D) stramenopiles
Answer:C
Bloom’sTaxonomy:1-2:Remembering/Understanding Chapter
Section:18.2

4) Whichstatementbestdescribesour currentunderstandingoftheeukaryoticphylogenetic tree?
A) RibosomalRNAdata allowedthedevelopmentofthecurrent phylogenywith6 supergroups.
B) Whole genomedatawasusedto distinguishthe 3 domains.
C) Themost recentanalyseshaveconclusivelyshowntherelationshipsofthe6 supergroups.
D) Newdiscoverieswillprobablyleadtochangesintheeukaryoticphylogenetictree.
Answer:D
Bloom’sTaxonomy:1-2:Remembering/Understanding Chapter
Section:16.2

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