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MICROORGANISM
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16TH EDITION BY MICHAEL
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T.MADIGAN
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Chapter l#1 The l#Microbial l# World
1.1 Multiple l#Choice l# Questions
1) Which l#of l#the l#following l#statements l#is l#FALSE?
A) Microbial l# cells l#can l # exist l# as l#single l # cells.
B) Microbial l#cells l#carry l#out l # their l#life l#processes l#of l#growth l# independently.
C) Microbial l#cells l# include l#both l#bacteria l#and l#viruses.
D) Microbial l#cells l#are l#surrounded l#by l#a l#plasma l#membrane.
2) Which l#of l # the l# following l#statements l# is l#correct?
A) Microorganisms l#are l#significant l#contributors l# to l#the l#total l#biomass l#on l#Earth.
B) Microorganisms l#represent l#a l#much l# smaller l#amount l#of l#Earth’s l# biomass l#than l#plants.
C) Microorganisms l#represent l#a l#much l#smaller l#amount l#of l# Earth’s l# biomass l#than l#animals.
D) Microorganisms l# are l# significant l # in l # number, l # but not l# in l# overall l # biomass.
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3) Differential l#selection l#and l#reproduction l#of l#phenotypes l#occurs l# duringl#a l#process l#called
A) cellulardifferentiation.
B) evolution.
C) growth.
D) transformation.
4) In l#what/which l#domain(s) l# ofl#life l#is/are l#microorganisms l#represented?
A) Archaea
B) Bacteria
C) Eukarya
D) Archaea, l#Bacteria, l#and l#Eukarya
5) Biological l#catalysts l#involved l # in l#the l#acceleration l#of l# the l# rate l#of l#chemical l#reactions l#are l#called
A) catalytic l# converters.
B) growth l#agents.
C) evolutionary l # molecules.
D) enzymes.
,6) Regarding l#early l#life l#on l#Earth
A) microbial l#life l#existed l#for l#billions l#of l# years l#before l#plant l#and l#animal l#life.
B) microbial l#life l# existed l# long l#before l # animals l#but l# has l#been l#around l # for l# about l# the l# same l# amount l# of
l # time l # as l#plants.
C) microbial l#life, l# plant l# life, l#and l # animal l#life l # all l # appeared l # at l# about l#the l # same l # time.
D) it l # is l# impossible l # to l#determine l # which l # type l # of l#life l # first l # appeared.
,7) The l#person l# who l# described l# the l# “wee l#animalcules” l # was
A) Robert Hooke.
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B) Antoni l#van l#Leeuwenhoek.
C) Louis l#Pasteur.
D) FerdinandCohn.
Chapter l# Section: 1.5
8) Walther l#Hesse l # and pioneered l# the l# use l# of l # agar l# as l# a l# solidifying l# agent.
A) Louis l#Pasteur
B) FerdinandCohn
C) Robert l#Koch
D) Sergei l#Winogradsky
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9) Which l#of l#the l#following l# is/are l#characteristic l#of l#all l#cellular l#organisms?
A) communication
B) evolution
C) motility
D) communication,evolution, l#and l#motility
10) Deduce l#why l#viruses l#are l#excluded l#from l#the l#ribosomal l#RNA—based l#tree l#of l#life.
A) Some l#viruses l#contain l#multiple l # strands l#of l#RNA.
B) Their l#genetic l # elements l#cannot l # be l # sequenced.
C) They l#can l#infect l# other l#organisms, l# which l#complicates l# the l#genetic l#comparisons.
D) They l#lack l#ribosomal l#RNA l#(rRNA).
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11) Louis l#Pasteur l#developed l# the l#vaccine(s) l#for
A) anthrax l#only.
B) fowl l#choleraonly.
C) rabies l#only.
D) anthrax, l#fowl l#cholera, l#and l#rabies.
Chapter l# Section: 1.9
12) The l # discovery l # of l#antibiotics l#and l# other l# important l # chemicals l# led l# to l#the l # field l# of
A) industrial microbiology.
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B) agricultural l # microbiology.
C) marine l#microbiology.
D) aquatic l#microbiology.
13) Microbial l#sterilization l# is l#used l# to
A) decrease l# the l# possibility l # of l#contaminants l#growing l#in l# a l# culture.
B) kill l#bacteria l # but l#not l # necessarily l#viruses l # or l#other l#microbes.
C) kill l# all l# microbes l # in l # or l # on l # objects.
D) clean l# a l # work l # area.
, Chapter l# Section: 1.9
14) Transparent l#double-sided l # dishesused l # for l#growing l# microbes are
ti l # most l# commonly l# called
A) Petri l# dishes.
B) baker l#dishes.
C) sterilization l # plates.
D) culture l#mediumplates.
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15) Microbes l#playing l#a l#role l#in l#nitrogen l#fixation l#in l#plants l#live l#in , l#while l#those l#playing l#a
l#role l#in l#the l#digestive l#tract l#ofcertain l#herbivores l#live l#in .
A) rumens l# / l# nodules
B) nodules l# / l# rumens
C) nodules l#/ l#fortrans
D) fortrans l#/ l#rumens
16) Which l # of l#the l # following l# is l# NOT l# an l # accomplishment l # of l#Louis l# Pasteur?
A) determined l#that l#the l#alcohol-making l#process l#was l#mediated l#by l#microbial l#fermentation l#and
l#thus l#refuted l#the l#theory l#ofspontaneous l#generation
B) developed l# enrichment culture l# techniques
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C) developed l# heat sterilization l# techniques l # that l# involved l # thecreation l # of l # a l# specialized l# swan-necked
ti l # flask
D) developed l#the l#first rabies l#vaccine l#and l#treated l#thousands l#of l#individuals
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Chapter l# Section: 1.9
17) The l# theory l#of l # spontaneous l#generation l# was l#refuted l# by l#the l# work l#of
A) Louis l#Pasteur.
B) Robert l#Koch.
C) Robert l#Hooke.
D) Antoni l#van l#Leeuwenhoek.
Chapter l# Section: 1.9
18) A l # Pasteur l # flask l# has l # a(n)
A) swan l#neck l# to l#prevent l#particulate l # matter l#from l # getting l# into l# the l#main l# body l# of l# the l#flask.
B) double l # neck l# so l # two l # substances l # may l # be l # added l # at l # the l # same l # time.
C) secondary l # opening l# at l # the l# base l # to l# allow l # for l#drainage.
D) inverted l#upper l#edge l#toprevent l#spillage l#while l#swirling.
Chapter l# Section: 1.9
19) Predict l#how l#Pasteur’s l#conclusions l#on l#spontaneous l#generation l#with l#swan l#flasks l#would l#have
l#changed l#if l#he l#worked l#with l#andmaintained l # the l # flasks l#in l # a l # sterile l # laminar
l # flow l#hood.
A) Sterilization l # of l # the l#swan l#flask l#solutions l#would l#not l#have l # been l#necessary l#to l#reject
l # spontaneous l#generation. l#If l#he l#did l#sterilizethe l # flasks, l # the l # spontaneous l#generation
l # hypothesis l#would l # have l # been l # supported.
B) His l#incubation l#times l#would l#not l#have l# been l#sufficient l#to l#refute l# spontaneous l#generation.
C) Pasteur’s l#flasks l#never l#would l#have l#putrefied, l#and l#the l#experiment l#would l#not l#have l# refuted l#spontaneous
l#generation.
D) Viruses l#would l#have l# still l#been l#present, l# and l#his l#conclusion l # would l#have l # been l#unchanged.