Question 1

When humans manipulate the genes of microorganisms, the process is called ______.

Accepted Answer

A) epidemiology 
B) taxonomy 
C) bioremediation 
D) genetic engineering 
E) immunology 
A) epidemiology 
B) taxonomy 
C) bioremediation 
D) genetic engineering 
E) immunology D

Question 2

Many chronic medical conditions have been found to be associated with microbial agents.

Accepted Answer

A) True 
 B)False  True

Question 3

Which of the following does not indicate microbe involvement in energy and nutrient flow?

Accepted Answer

A) Decomposition of dead matter and wastes 
B) Digestion of complex carbohydrates in animal diets 
C) Formation of greenhouse gases, CO2 and methane 
D) Thermal hot springs warmed by heat from earth's interior 
A) Decomposition of dead matter and wastes 
B) Digestion of complex carbohydrates in animal diets 
C) Formation of greenhouse gases, CO2 and methane 
D) Thermal hot springs warmed by heat from earth's interior D

Question 4

The majority of oxygen in earth's atmosphere is a product of photosynthesis by ______.

Accepted Answer

A) rain forests 
B) microorganisms 
C) green plants 
D) agricultural lands 
A) rain forests 
B) microorganisms 
C) green plants 
D) agricultural lands

Question 5

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 6

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 7

The scientific method includes all of the following except ______.

Accepted Answer

A) experimentation 
B) hypothesis 
C) publication 
D) observation 
A) experimentation 
B) hypothesis 
C) publication 
D) observation

Question 8

Which area of biology states that living things undergo gradual structural and functional changes over long periods of time?

Accepted Answer

A) Evolution 
B) Morphology 
C) Phylogeny 
D) Genetics 
E) Transformation 
A) Evolution 
B) Morphology 
C) Phylogeny 
D) Genetics 
E) Transformation

Question 9

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 10

Which of the following historical microbiologists is incorrectly paired with his contribution to the science?

Accepted Answer

A) Francesco Redi: tested spontaneous generation with meat exposed to the air or covered with cloth 
B) Louis Pasteur: demonstrated that anthrax was caused by a bacterium 
C) Joseph Lister: promoted disinfecting hands and air prior to surgery 
D) Antonie van Leeuwenhoek: made and used quality magnifying lenses to observe and record microorganisms 
A) Francesco Redi: tested spontaneous generation with meat exposed to the air or covered with cloth 
B) Louis Pasteur: demonstrated that anthrax was caused by a bacterium 
C) Joseph Lister: promoted disinfecting hands and air prior to surgery 
D) Antonie van Leeuwenhoek: made and used quality magnifying lenses to observe and record microorganisms

Question 11

A hypothesis must be tested many times before it can be considered a theory.

Accepted Answer

A) True 
 B)False

Question 12

Which scientific field is involved in the identification, classification, and naming of organisms?

Accepted Answer

A) Nomenclature 
B) Epidemiology 
C) Taxonomy 
D) Phylogeny 
E) Pathology 
A) Nomenclature 
B) Epidemiology 
C) Taxonomy 
D) Phylogeny 
E) Pathology

Question 13

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 14

Which of the following is not a process in the scientific method?

Accepted Answer

A) Systematic observation 
B) Development of a theory 
C) Laboratory experimentation 
D) Formulation of a hypothesis 
E) Belief in a preconceived idea 
A) Systematic observation 
B) Development of a theory 
C) Laboratory experimentation 
D) Formulation of a hypothesis 
E) Belief in a preconceived idea

Question 15

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 16

In the experiments constructed by Pasteur to disprove spontaneous generation, swan-necked flasks were used.Why was this shape of flask used in this experiment?

Accepted Answer

A) The shape of the glass neck allowed the bacteria into the flask and then into the media, but air could not enter. 
B) The glass necks needed to be open to the air, yet constructed so that bacteria would settle in the lowest part of the neck. 
C) These flask shapes were the easiest and cheapest to produce. 
D) Because the glass necks were stretched out, the heat used to sterilize the medium inside of the flask could not kill the bacteria in the neck. 
A) The shape of the glass neck allowed the bacteria into the flask and then into the media, but air could not enter. 
B) The glass necks needed to be open to the air, yet constructed so that bacteria would settle in the lowest part of the neck. 
C) These flask shapes were the easiest and cheapest to produce. 
D) Because the glass necks were stretched out, the heat used to sterilize the medium inside of the flask could not kill the bacteria in the neck.

Question 17

The scientific method involves formulating a tentative explanation, called the hypothesis, to account for what has been observed or measured.

Accepted Answer

A) True 
 B)False

Question 18

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 19

Which of the following pairs of career descriptions and work tasks is not correctly matched?

Accepted Answer

A) Medical microbiologist -- identify the cause of a bladder infection at a hospital lab 
B) Industrial microbiologist -- manipulate bacterial strains to be less pathogenic 
C) Agricultural microbiologist -- identify bacterial causes of crop disease 
D) Public health microbiologist -- track the incidence of AIDS in a population 
A) Medical microbiologist -- identify the cause of a bladder infection at a hospital lab 
B) Industrial microbiologist -- manipulate bacterial strains to be less pathogenic 
C) Agricultural microbiologist -- identify bacterial causes of crop disease 
D) Public health microbiologist -- track the incidence of AIDS in a population

Question 20

In general, eukaryotic cells are about ______ times larger than bacterial or archaeal cells.

Accepted Answer

A) 2 
B) 10 
C) 50 
D) 1000 
A) 2 
B) 10 
C) 50 
D) 1000

Exam 1: The Main Themes of Microbiology

When humans manipulate the genes of microorganisms, the process is called ______.

Many chronic medical conditions have been found to be associated with microbial agents.

Which of the following does not indicate microbe involvement in energy and nutrient flow?

The majority of oxygen in earth's atmosphere is a product of photosynthesis by ______.

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

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

The scientific method includes all of the following except ______.

Which area of biology states that living things undergo gradual structural and functional changes over long periods of time?

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

Which of the following historical microbiologists is incorrectly paired with his contribution to the science?

A hypothesis must be tested many times before it can be considered a theory.

Which scientific field is involved in the identification, classification, and naming of organisms?

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

Which of the following is not a process in the scientific method?

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

In the experiments constructed by Pasteur to disprove spontaneous generation, swan-necked flasks were used.Why was this shape of flask used in this experiment?

The scientific method involves formulating a tentative explanation, called the hypothesis, to account for what has been observed or measured.

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

Which of the following pairs of career descriptions and work tasks is not correctly matched?

In general, eukaryotic cells are about ______ times larger than bacterial or archaeal cells.

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

Microbial Nutrition, Ecology, and Growth

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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