Question 1

Among the types of microorganisms,the ______ are noncellular.

Accepted Answer

A)  protozoans 
B)  bacteria 
C)  viruses 
D)  helminths 
A)  protozoans 
B)  bacteria 
C)  viruses 
D)  helminths

Question 2

Using microbes to detoxify a site contaminated with heavy metals is an example of ______.

Accepted Answer

A)  biotechnology 
B)  bioremediation 
C)  decomposition 
D)  epidemiology 
E)  immunology 
A)  biotechnology 
B)  bioremediation 
C)  decomposition 
D)  epidemiology 
E)  immunology

Question 3

The incidence of deaths from communicable disease is ______ in the United States compared to the entire world.

Accepted Answer

A)  less 
B)  greater 
C)  about the same 
A)  less 
B)  greater 
C)  about the same

Question 4

The orderly arrangement of organisms into a hierarchy of taxa is called ______.

Accepted Answer

A)  experimentation 
B)  biotechnology 
C)  classification 
D)  identification 
E)  nomenclature 
A)  experimentation 
B)  biotechnology 
C)  classification 
D)  identification 
E)  nomenclature

Question 5

The names of the three proposed domains are: Bacteria,Protista,and Eukarya.

Accepted Answer

A) True 
 B)False

Question 6

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

Accepted Answer

A)  fermenters 
B)  eukaryotes 
C)  decomposers 
D)  pathogens 
E)  prokaryotes 
A)  fermenters 
B)  eukaryotes 
C)  decomposers 
D)  pathogens 
E)  prokaryotes

Question 7

A recently-developed mnemonic for remembering the taxonomic levels from Domain to Species is "Dumb Kids Prefer Candy Over Fancy Green Salad." The word "candy" here is a reminder of the taxonomic level of _______.

Accepted Answer

A)  chain 
B)  culture 
C)  category 
D)  colony 
E)  class 
A)  chain 
B)  culture 
C)  category 
D)  colony 
E)  class

Question 8

Caring for patients infected with a new virus requires safety precautions for medical personnel.Choosing appropriate procedures is an example of a(n)______ process.

Accepted Answer

A)  pathogenic 
B)  deductive 
C)  hypothetical 
D)  inductive 
A)  pathogenic 
B)  deductive 
C)  hypothetical 
D)  inductive

Question 9

Eukaryotic cells are larger than bacterial or archaeal cells; all cells are larger than macromolecules.Where do viruses fit on this scale?

Accepted Answer

A)  Viruses are smaller than eukaryotic cells, but larger than bacterial or archaeal cells. 
B)  Viruses are smaller than macromolecules. 
C)  Viruses are larger than eukaryotic cells. 
D)  Viruses are smaller than bacterial or archaeal cells, but larger than macromolecules. 
A)  Viruses are smaller than eukaryotic cells, but larger than bacterial or archaeal cells. 
B)  Viruses are smaller than macromolecules. 
C)  Viruses are larger than eukaryotic cells. 
D)  Viruses are smaller than bacterial or archaeal cells, but larger than macromolecules.

Question 10

The three cell types discussed,eukaryotes,archaea,and bacteria,all derived from ______.

Accepted Answer

A)  cells with a true nucleus 
B)  the last universal common ancestor 
C)  photosynthetic bacteria 
D)  archaea 
A)  cells with a true nucleus 
B)  the last universal common ancestor 
C)  photosynthetic bacteria 
D)  archaea

Question 11

Which of the following is a taxon that contains all the other taxa listed?

Accepted Answer

A)  Family 
B)  Genus 
C)  Kingdom 
D)  Species 
E)  Phylum 
A)  Family 
B)  Genus 
C)  Kingdom 
D)  Species 
E)  Phylum

Question 12

A scientist studying the sequence of nucleotides in the rRNA of a bacterial species is working on

Accepted Answer

A)  recombinant DNA. 
B)  nomenclature. 
C)  determining evolutionary relatedness. 
D)  bioremediation. 
E)  determining if that species is the cause of a new disease. 
A)  recombinant DNA. 
B)  nomenclature. 
C)  determining evolutionary relatedness. 
D)  bioremediation. 
E)  determining if that species is the cause of a new disease.

Question 13

A scientist who studies the influence of microbes in the formation of caves is called a(n)______.

Accepted Answer

A)  astrobiologist 
B)  epidemiologist 
C)  geomicrobiologist 
D)  immunologist 
A)  astrobiologist 
B)  epidemiologist 
C)  geomicrobiologist 
D)  immunologist

Question 14

Sterile refers to ______.

Accepted Answer

A)  homogenized 
B)  absence of any life forms and viral particles 
C)  pathogen-free 
D)  pasteurized 
E)  absence of spores 
A)  homogenized 
B)  absence of any life forms and viral particles 
C)  pathogen-free 
D)  pasteurized 
E)  absence of spores

Question 15

A diagram of the three domains (Bacteria,Archaea,Eukarya)proceeding from the Last Universal Common Ancestor would show Archaea

Accepted Answer

A)  branching off the Domain Bacteria. 
B)  branching off the Domain Eukarya. 
C)  as the original cells from which the others derived. 
A)  branching off the Domain Bacteria. 
B)  branching off the Domain Eukarya. 
C)  as the original cells from which the others derived.

Question 16

Microorganisms are best defined as organisms that

Accepted Answer

A)  can only be found growing in laboratories. 
B)  are too small to be seen with the unaided eye. 
C)  are infectious particles. 
D)  lack a cell nucleus. 
E)  cause human disease. 
A)  can only be found growing in laboratories. 
B)  are too small to be seen with the unaided eye. 
C)  are infectious particles. 
D)  lack a cell nucleus. 
E)  cause human disease.

Question 17

Which of the following is NOT a recent discovery that has had a huge impact on the understanding of microbiology?

Accepted Answer

A) Restriction enzymes 
B) PCR technique 
C) Biofilms 
D) Small RNAs 
E) All are significant discoveries. 
A) Restriction enzymes 
B) PCR technique 
C) Biofilms 
D) Small RNAs 
E) All are significant discoveries.

Question 18

Which of the following are not considered microorganisms?

Accepted Answer

A)  Fungi 
B)  Protozoa 
C)  Viruses 
D)  Bacteria 
E)  Mosquitoes 
A)  Fungi 
B)  Protozoa 
C)  Viruses 
D)  Bacteria 
E)  Mosquitoes

Question 19

Members of the same species share many more characteristics compared to those shared by members of the same kingdom.

Accepted Answer

A) True 
 B)False

Question 20

Many chronic infections are caused by microbes that associate in communities termed ______.

Accepted Answer

A)  biofilms 
B)  virions 
C)  microbiota 
D)  sediments 
A)  biofilms 
B)  virions 
C)  microbiota 
D)  sediments

Exam 1: The Main Themes of Microbiology

Among the types of microorganisms,the ______ are noncellular.

Using microbes to detoxify a site contaminated with heavy metals is an example of ______.

The incidence of deaths from communicable disease is ______ in the United States compared to the entire world.

The orderly arrangement of organisms into a hierarchy of taxa is called ______.

The names of the three proposed domains are: Bacteria,Protista,and Eukarya.

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

A recently-developed mnemonic for remembering the taxonomic levels from Domain to Species is "Dumb Kids Prefer Candy Over Fancy Green Salad." The word "candy" here is a reminder of the taxonomic level of _______.

Caring for patients infected with a new virus requires safety precautions for medical personnel.Choosing appropriate procedures is an example of a(n)______ process.

Eukaryotic cells are larger than bacterial or archaeal cells; all cells are larger than macromolecules.Where do viruses fit on this scale?

The three cell types discussed,eukaryotes,archaea,and bacteria,all derived from ______.

Which of the following is a taxon that contains all the other taxa listed?

A scientist studying the sequence of nucleotides in the rRNA of a bacterial species is working on

A scientist who studies the influence of microbes in the formation of caves is called a(n)______.

Sterile refers to ______.

A diagram of the three domains (Bacteria,Archaea,Eukarya)proceeding from the Last Universal Common Ancestor would show Archaea

Microorganisms are best defined as organisms that

Which of the following is NOT a recent discovery that has had a huge impact on the understanding of microbiology?

Which of the following are not considered microorganisms?

Members of the same species share many more characteristics compared to those shared by members of the same kingdom.

Many chronic infections are caused by microbes that associate in communities termed ______.

The Chemistry of Biology

Tools of the Laboratory: Methods for the Culturing of Microscopic Analysis of Microorganisms

Bacteria and Archaea

Eukaryotic Cells and Microorganisms

An Introduction to the Viruses

Host Defenses II: Specific Immunity and Immunization

Microbial Metabolism: The Chemical Crossroads of Life

Microbial Genetics

Genetic Engineering and Recombinant Dna

Physical and Chemical Control of Microbes

Antimicrobial Treatment

Microbe-Human Interactions: Health and Disease

Host Defenses I: Overview and Nonspecific Defenses

Host Defenses II: Specific Immunity and Immunization

Disorders in Immunity

Diagnosing Infections

Infectious Diseases Affecting the Skin and Eyes

Infectious Diseases Affecting the Nervous System

Infectious Diseases Affecting the Cardiovascular and Lymphatic Systems

Infectious Diseases Affecting the Respiratory System

Infectious Diseases Affecting the Gastrointestinal Tract

Infectious Diseases Affecting the Genitourinary System

Microbes and the Environment

Applied Microbiology and Food and Water Safety

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