Question 1

Once an organism is assigned to a particular taxonomic hierarchy, it is permanent and cannot be revised.

Accepted Answer

A) True 
 B)False

Question 2

The term sterile means free of all life forms.

Accepted Answer

A) True 
 B)False

Question 3

Which scientist discovered heat resistant bacterial spores?

Accepted Answer

A)  Joseph Lister
B)  Ignaz Semmelweis
C)  Robert Koch
D)  Ferdinand Cohn
E)  Antonie van LeeuwenhoekF) D) and E)
G) A) and E)

Question 4

Which of the following is a scientific name?

Accepted Answer

A)  bacteria
B)  Protista
C)  species
D)  Bacillus subtilis
E)  bacilliF) C) and D)
G) B) and E)

Question 5

Where are you most likely to find bacteria belonging to the domain Archaea?

Accepted Answer

A)  a human's large intestine
B)  in a hot spring
C)  a pond
D)  a sewage treatment plant
E)  a beer production facilityF) A) and E)
G) All of the above

Question 6

Pasteur used swan-neck flasks in his experiments to prove that

Accepted Answer

A)  air had "vital forces" capable of spontaneous generation.
B)  microbial fermentation could be used to make wine.
C)  dust in air was a source of living microorganisms.
D)  microorganisms could cause disease.
E)  microorganisms could be grown in laboratory infusions.F) A) and B)
G) A) and C)

Question 7

Which of the following is the correct way to type the scientific name of this bacterium?

Accepted Answer

A)  Staph Aureus
B)  Staphylococcus Aureus,
C)  Staphylococcus aureus
D)  Staphylococcus Aureus.
E)  S.AureusF) A) and B)
G) All of the above

Question 8

Disease-causing microorganisms are called

Accepted Answer

A)  decomposers.
B)  prokaryotes.
C)  pathogens.
D)  eukaryotes.
E)  fermenters.F) A) and E)
G) D) and E)

Question 9

All of the following contribute to the rise of emerging diseases, except

Accepted Answer

A)  the decrease in drug resistant bacteria.
B)  human encroachment on wild habitats.
C)  changes in agricultural practices.
D)  populations are more mobile.E) None of the above
F) All of the above

Question 10

Which scientist showed that anthrax was caused by the bacterium Bacillus anthracis?

Accepted Answer

A)  Joseph Lister
B)  Ignaz Semmelweis
C)  Robert Koch
D)  Louis Pasteur
E)  Antonie van LeeuwenhoekF) A) and B)
G) A) and C)

Question 11

A scientist discovers a new microbial species.It is a single-celled eukaryote without cell walls.In which kingdom will it likely be classified?

Accepted Answer

A)  Monera
B)  Protista
C)  Fungi
D)  Animalia
E)  PlantaeF) B) and D)
G) A) and C)

Question 12

The scientific field called _____ is involved in the identification, classification, and naming of organisms.

Accepted Answer

The answer of The scientific field called _____ is involved...

Question 13

Spontaneous generation is the belief that

Accepted Answer

A)  germs cause infectious diseases.
B)  microbes are diverse and ubiquitous.
C)  microbes placed in an infusion can grow in it.
D)  aseptic techniques reduce microbes in medical settings.
E)  living things arise from nonliving matter.F) A) and C)
G) All of the above

Question 14

It has been over 25 years since a new infectious disease has emerged in the world.

Accepted Answer

A) True 
 B)False

Question 15

Koch's postulates are criteria used to establish that

Accepted Answer

A)  microbes are found on dust particles.
B)  a specific microbe is the cause of a specific disease.
C)  life forms can only arise from preexisting life forms.
D)  a specific microbe should be classified in a specific kingdom.
E)  microbes can be used to clean up toxic spills.F) All of the above
G) C) and D)

Question 16

Which kingdom does not contain any eukaryotes?

Accepted Answer

A)  Monera
B)  Protista
C)  Mycetae
D)  Plantae
E)  AnimaliaF) None of the above
G) A) and C)

Question 17

Organisms called parasites are

Accepted Answer

A)  always classified in the kingdom Monera.
B)  always harmful to their host.
C)  the decomposers in ecosystems.
D)  always viruses.
E)  free-living.F) A) and E)
G) B) and C)

Question 18

Which of the following is a unique characteristic of viruses that distinguishes them from the other major groups of microorganisms?

Accepted Answer

A)  cause human disease
B)  lack a nucleus
C)  cannot be seen without a microscope
D)  contain genetic material
E)  lack cell structureF) D) and E)
G) B) and C) E

Question 19

The microorganisms that recycle nutrients by breaking down dead matter and wastes are called

Accepted Answer

A)  decomposers.
B)  prokaryotes.
C)  pathogens.
D)  eukaryotes.
E)  fermenters.F) A) and C)
G) A) and E) A

Question 20

The study of evolutionary relationships among organisms is called

Accepted Answer

A)  biotechnology.
B)  genetics.
C)  recombinant DNA.
D)  phylogeny.
E)  taxonomy.F) D) and E)
G) B) and C) D

Exam 1: The Main Themes of Microbiology

Once an organism is assigned to a particular taxonomic hierarchy, it is permanent and cannot be revised.

Correct AnswerverifiedShow Answer

The term sterile means free of all life forms.

Correct AnswerverifiedShow Answer

Which scientist discovered heat resistant bacterial spores?

Correct AnswerverifiedShow Answer

Which of the following is a scientific name?

Correct AnswerverifiedShow Answer

Where are you most likely to find bacteria belonging to the domain Archaea?

Correct AnswerverifiedShow Answer

Pasteur used swan-neck flasks in his experiments to prove that

Correct AnswerverifiedShow Answer

Which of the following is the correct way to type the scientific name of this bacterium?

Correct AnswerverifiedShow Answer

Disease-causing microorganisms are called

Correct AnswerverifiedShow Answer

All of the following contribute to the rise of emerging diseases, except

Correct AnswerverifiedShow Answer

Which scientist showed that anthrax was caused by the bacterium Bacillus anthracis?

Correct AnswerverifiedShow Answer

A scientist discovers a new microbial species.It is a single-celled eukaryote without cell walls.In which kingdom will it likely be classified?

Correct AnswerverifiedShow Answer

The scientific field called _____ is involved in the identification, classification, and naming of organisms.

Correct AnswerverifiedShow Answer

Spontaneous generation is the belief that

Correct AnswerverifiedShow Answer

It has been over 25 years since a new infectious disease has emerged in the world.

Correct AnswerverifiedShow Answer

Koch's postulates are criteria used to establish that

Correct AnswerverifiedShow Answer

Which kingdom does not contain any eukaryotes?

Correct AnswerverifiedShow Answer

Organisms called parasites are

Correct AnswerverifiedShow Answer

Which of the following is a unique characteristic of viruses that distinguishes them from the other major groups of microorganisms?

Correct AnswerverifiedE

The microorganisms that recycle nutrients by breaking down dead matter and wastes are called

Correct AnswerverifiedA

The study of evolutionary relationships among organisms is called

Correct AnswerverifiedD

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
E

Correct Answer
verified
A

Correct Answer
verified
D