TEST BANK FOR OPEXSTAX MICROBIOLOGY QUESTIONS AND SOLUTIONS.ALL CHAPTERS INCLUDED

TEST BANK FOR OPEXSTAX MICROBIOLOGY
QUESTIONS AND SOLUTIONS.ALL CHAPTERS
INCLUDED

Chapter71:7An7Invisible7World

*7=7Correct7answer7Multi

ple7Choice

1. Yeasts7are7which7of7the7following?
A. a7type7of7algae
B. a7type7of7protist
C. any7unicellular7microbe
D. unicellular7fungi*

Difficulty:7Moderate7ASM7Standar
d:720

3. The7cell7walls7of7archaeans7often7contain7which7of7the7following7substances?
A. cellulose
B. chitin
C. peptidoglycan
D. pseudopeptidoglycan*
7ASM7Standard:720


4. Which7of7the7following7is7not7true7of7archaeans?7A.7Some7species7live7on7the7human7body.
B.7 They7are7genetically7distinct7from7bacteria.
C.7 They7are7only7found7in7extreme7environments.*
D.7 They7have7substantial7metabolic7differences7from7bacteria.

Difficulty:7Difficult7AS
M7Standard:720




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7

,Which7of7the7following7is7not7true7about7the7process7of7ferm
entation?7A.7It7can7help7preserve7foods,7preventing7spoila
ge.
B.7It7converts7sugars7to7organic7acids,7alcohols,7and/or7gases7such7as7carbon7dioxide.
C.7It7is7carried7out7exclusively7by7unicellular7eukaryotes7such7as7yeast.*
D.7It7is7used7to7make7foods7such7as7cheese7and7bread.

Difficulty:7Moderate7 AS
M7Standard:711,723,726
5. The7Romans7may7have7reduced7their7risk7of7waterborne7infectious7diseases7by7using7w
hich7of7the7following?
A. a7variety7of7pharmaceutical7products
B. aqueducts7and7a7sewer7system*
C. prophylactic7antibiotics
D. quarantine7of7people7with7lepros

y7Difficulty:7Moderate

ASM7Standard:723

6. For7which7of7the7following7is7Thucydides7known?
A. developing7an7effective7sewer7system7in7ancient7Greece,7helping7to7reduce7levels
7of7disease7in7cities

B. observing7microbes,7using7a7microscope,7for7the7first7time,7even7distinguishing7betw
een7bacteria7and7fungi
C. proposing7that7disease7was7caused7by7microorganisms
D. realizing7that7people7who7had7been7infected7by7the7Athenian7plague7had7immunit
y7to7reinfection*

Difficulty:7Moderate7A
SM7Standard:723,731

7. Ernst7Haeckel7proposed7a7classification7system7consisting7of7which7of7the7follow
ing7subgroups?7A.7five7kingdoms
B.7 four7kingdoms*
C.7 two7domains7and7three7kingdoms
D.7 two7domains7and7five7kingdoms

Difficulty:7Moderate7ASM7Standar
d:7N/A



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7

,8. Viruses7not7included7in7phylogenetic7trees7for7which7of7the7following7reasons?7A.7It7is
7too7difficult7to7observe7their7characteristics.

B.7 They7are7acellular7and7nonliving.*
C.7 They7do7not7have7any7genes,7which7prevents7genetic7analysis.
D.7 They7lack7a7nucleus.

Difficulty:7Moderate7ASM7Standar
d:75

9. Which7is7the7best7description7of7the7primary7purpose7of7a7phylogeny?7A.7Phylogenies7s
how7all7the7alterative7names7for7each7species.
B.7 Phylogenies7show7all7the7common7names7for7each7species.
C.7 Phylogenies7show7evolutionary7relatedness7between7organisms.*
D.7 Phylogenies7show7interactions7between7species7in7a7shared7habitat.

Difficulty:7Moderate7ASM7Standar
d:75

10. Current7phylogenetic7analyses7include7which7of7the7following?
A. information7from7a7range7of7sources,7including7morphological,7genetic,7and7biochemi
cal7data*
B. information7on7visible7similarities7only
C. information7regarding7how7to7classify7organisms7on7the7basis7of7external7morphologi
cal7characteristics7and7visible7behaviors
D. varied7morphological7and7structural7characteristics,7with7preference7for7leaving7histori
cal7classifications7to7prevent7confusion

Difficulty:7Moderate7ASM7Standar
d:75

11. Diatoms7are7classified7within7which7of7the7following7domains?
A. Archaea
B. Bacteria
C. Eukarya*
D. Prokaryota

Difficulty:7Moderate7ASM7Standar
d:7N/A

12. Horizontal7gene7transfer7involves7which7of7the7following?
A. any7transfer7of7genes7in7a7laboratory7setting


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, B. the7transfer7of7genes7from7a7virus7to7a7bacterium7or7vice7versa7but7not7any7other7for
m7of7gene7transfer
C. the7transfer7of7genes7from7one7individual7to7another,7including7from7one7specie
s7to7another,7but7not7from7parent7to7offspring*7D.7the7transfer7of7genes7from7p
arent7to7offspring

Difficulty:7Moderat

e7ASM7Standard:72,

74


13. Bacteria7are7generally7identified7to7species7by7using7which7of7the7following?
A. a7combination7of7genetic,7biochemical,7and7microscopic7approaches*
B. a7combination7of7microscopic7and7physiological7approaches,7but7not7genetics
C. primarily7characteristics7such7as7motility7that7can7be7visualized7using7microscopy
D. primarily7morphological7characteristics7of7individual7cells

Difficulty:7Moderate7A
SM7Standard:734,736
14. For7taxonomic7classification7of7microbes,7serological7tests7typically7are7used7to7do7whic
h7of7the7following?
A. determine7complete7genome7sequences7for7microbes
B. identify7proteins7on7the7basis7of7their7reaction7with7specific7antibodies*
C. run7analyses7to7identify7whether7particular7genes7are7present
D. visualize7microbial7external7morphology

Difficulty:7Moderate7A
SM7Standard:734,736

Which7of7the7following7is7true7of7the7microbial7world?7A.7All7
microbes7are7harmful.
B.7 Humans7could7survive7without7microbes.
C.7 Many7microbes7are7helpful.*D.7Most7microbes7are7path
ogenic.

Difficulty:7Easy
ASM7Standard:723,724

15. Which7of7the7following7is7when7humans7first7suspected7the7existence7of7microbes?
A. during7the7Industrial7Revolution
B. in7prehistoric7times*
C. in7the7last7century
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