Created7By:7A7Solution
TEST7BANK7FOR7BROCK7BIOLOGY7OF7MICROORGANISM716
TH7EDITION7BY7MICHAEL7T.7MADIGAN7A+
Chapter717The7Microbial7World
1.1 Multiple7Choice7Questions
1) Which7of7the7following7statements7is7FALSE?
A) Microbial7cells7can7exist7as7single7cells.
B) Microbial7cells7carry7out7their7life7processes7of7growth7independently.
C) Microbial7cells7include7both7bacteria7and7viruses.
D) Microbial7cells7are7surrounded7by7a7plasma7membrane.
2) Which7of7the7following7statements7is7correct?
A) Microorganisms7are7significant7contributors7to7the7total7biomass7on7Earth.
B) Microorganisms7represent7a7much7smaller7amount7of7Earth’s7biomass7than7plants.
C) Microorganisms7represent7a7much7smaller7amount7of7Earth’s7biomass7than7animals.
D) Microorganisms7are7significant7in7number,7but7not7in7overall7biomass.
3) Differential7selection7and7reproduction7of7phenotypes7occurs7during7a7process7called
A) cellular7differentiation.
B) evolution.
C) growth.
D) transformation.
4) In7what/which7domain(s)7of7life7is/are7microorganisms7represented?
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A) Archaea
B) Bacteria
C) Eukarya
D) Archaea,7Bacteria,7and7Eukarya
5)
Biological7catalysts7involved7in7the7acceleration7of7the7rate7of7chemical7reactions7are7call
ed
A) catalytic7converters.
B) growth7agents.
C) evolutionary7molecules.
D) enzymes.
6) Regarding7early7life7on7Earth
A) microbial7life7existed7for7billions7of7years7before7plant7and7animal7life.
B)
microbial7life7existed7long7before7animals7but7has7been7around7for7about7the7same7amou
nt7of7time7as7plants.
C) microbial7life,7plant7life,7and7animal7life7all7appeared7at7about7the7same7time.
D) it7is7impossible7to7determine7which7type7of7life7first7appeared.
7
7) The7person7who7described7the7“wee7animalcules”7was
A) Robert7Hooke.
B) Antoni7van7Leeuwenhoek.
C) Louis7Pasteur.
D) Ferdinand7Cohn.
Chapter7Section:71.5
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,Created7By:7A7Solution
8) Walther7Hesse7and7 pioneered7the7use7of7agar7as7a7solidifying7agent.
A) Louis7Pasteur
B) Ferdinand7Cohn
C) Robert7Koch
D) Sergei7Winogradsky
0
9) Which7of7the7following7is/are7characteristic7of7all7cellular7organisms?
A) communication
B) evolution
C) motility
D) communication,7evolution,7and7motility
10) Deduce7why7viruses7are7excluded7from7the7ribosomal7RNA—based7tree7of7life.
A) Some7viruses7contain7multiple7strands7of7RNA.
B) Their7genetic7elements7cannot7be7sequenced.
C) They7can7infect7other7organisms,7which7complicates7the7genetic7comparisons.
D) They7lack7ribosomal7RNA7(rRNA).
3
11) Louis7Pasteur7developed7the7vaccine(s)7for
A) anthrax7only.
B) fowl7cholera7only.
C) rabies7only.
D) anthrax,7fowl7cholera,7and7rabies.
Chapter7Section:71.9
12) The7discovery7of7antibiotics7and7other7important7chemicals7led7to7the7field7of
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A) industrial7microbiology.
B) agricultural7microbiology.
C) marine7microbiology.
D) aquatic7microbiology.
13) Microbial7sterilization7is7used7to
A) decrease7the7possibility7of7contaminants7growing7in7a7culture.
B) kill7bacteria7but7not7necessarily7viruses7or7other7microbes.
C) kill7all7microbes7in7or7on7objects.
D) clean7a7work7area.
7
Chapter7Section:71.9
14) Transparent7double-sided7dishes7used7for7growing7microbes7are7most7commonly7called
A) Petri7dishes.
B) baker7dishes.
C) sterilization7plates.
D) culture7medium7plates.
0
15) Microbes7playing7a7role7in7nitrogen7fixation7in7plants7live7in7
,7while7those7playing7a7role7in7the7digestive7tract7of7certain7herbivores7live7in7 .
A) rumens7/7nodules
B) nodules7/7rumens
C) nodules7/7fortrans
D) fortrans7/7rumens
16) Which7of7the7following7is7NOT7an7accomplishment7of7Louis7Pasteur?
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TEST7BANK7FOR7BROCK7BIOLOGY7OF7MICROORGANISM716
TH7EDITION7BY7MICHAEL7T.7MADIGAN7A+
Chapter717The7Microbial7World
1.1 Multiple7Choice7Questions
1) Which7of7the7following7statements7is7FALSE?
A) Microbial7cells7can7exist7as7single7cells.
B) Microbial7cells7carry7out7their7life7processes7of7growth7independently.
C) Microbial7cells7include7both7bacteria7and7viruses.
D) Microbial7cells7are7surrounded7by7a7plasma7membrane.
2) Which7of7the7following7statements7is7correct?
A) Microorganisms7are7significant7contributors7to7the7total7biomass7on7Earth.
B) Microorganisms7represent7a7much7smaller7amount7of7Earth’s7biomass7than7plants.
C) Microorganisms7represent7a7much7smaller7amount7of7Earth’s7biomass7than7animals.
D) Microorganisms7are7significant7in7number,7but7not7in7overall7biomass.
3) Differential7selection7and7reproduction7of7phenotypes7occurs7during7a7process7called
A) cellular7differentiation.
B) evolution.
C) growth.
D) transformation.
4) In7what/which7domain(s)7of7life7is/are7microorganisms7represented?
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,Created7By:7A7Solution
A) Archaea
B) Bacteria
C) Eukarya
D) Archaea,7Bacteria,7and7Eukarya
5)
Biological7catalysts7involved7in7the7acceleration7of7the7rate7of7chemical7reactions7are7call
ed
A) catalytic7converters.
B) growth7agents.
C) evolutionary7molecules.
D) enzymes.
6) Regarding7early7life7on7Earth
A) microbial7life7existed7for7billions7of7years7before7plant7and7animal7life.
B)
microbial7life7existed7long7before7animals7but7has7been7around7for7about7the7same7amou
nt7of7time7as7plants.
C) microbial7life,7plant7life,7and7animal7life7all7appeared7at7about7the7same7time.
D) it7is7impossible7to7determine7which7type7of7life7first7appeared.
7
7) The7person7who7described7the7“wee7animalcules”7was
A) Robert7Hooke.
B) Antoni7van7Leeuwenhoek.
C) Louis7Pasteur.
D) Ferdinand7Cohn.
Chapter7Section:71.5
A+ Page72
,Created7By:7A7Solution
8) Walther7Hesse7and7 pioneered7the7use7of7agar7as7a7solidifying7agent.
A) Louis7Pasteur
B) Ferdinand7Cohn
C) Robert7Koch
D) Sergei7Winogradsky
0
9) Which7of7the7following7is/are7characteristic7of7all7cellular7organisms?
A) communication
B) evolution
C) motility
D) communication,7evolution,7and7motility
10) Deduce7why7viruses7are7excluded7from7the7ribosomal7RNA—based7tree7of7life.
A) Some7viruses7contain7multiple7strands7of7RNA.
B) Their7genetic7elements7cannot7be7sequenced.
C) They7can7infect7other7organisms,7which7complicates7the7genetic7comparisons.
D) They7lack7ribosomal7RNA7(rRNA).
3
11) Louis7Pasteur7developed7the7vaccine(s)7for
A) anthrax7only.
B) fowl7cholera7only.
C) rabies7only.
D) anthrax,7fowl7cholera,7and7rabies.
Chapter7Section:71.9
12) The7discovery7of7antibiotics7and7other7important7chemicals7led7to7the7field7of
A+ Page73
, Created7By:7A7Solution
A) industrial7microbiology.
B) agricultural7microbiology.
C) marine7microbiology.
D) aquatic7microbiology.
13) Microbial7sterilization7is7used7to
A) decrease7the7possibility7of7contaminants7growing7in7a7culture.
B) kill7bacteria7but7not7necessarily7viruses7or7other7microbes.
C) kill7all7microbes7in7or7on7objects.
D) clean7a7work7area.
7
Chapter7Section:71.9
14) Transparent7double-sided7dishes7used7for7growing7microbes7are7most7commonly7called
A) Petri7dishes.
B) baker7dishes.
C) sterilization7plates.
D) culture7medium7plates.
0
15) Microbes7playing7a7role7in7nitrogen7fixation7in7plants7live7in7
,7while7those7playing7a7role7in7the7digestive7tract7of7certain7herbivores7live7in7 .
A) rumens7/7nodules
B) nodules7/7rumens
C) nodules7/7fortrans
D) fortrans7/7rumens
16) Which7of7the7following7is7NOT7an7accomplishment7of7Louis7Pasteur?
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