Question 1

Which of the following is a scientific name?

Accepted Answer

A)  Streptobacilli 
B)  Gram-positive streptococcus 
C)  Anthrax 
D)  Streptococcus pyogenes 
A)  Streptobacilli 
B)  Gram-positive streptococcus 
C)  Anthrax 
D)  Streptococcus pyogenes

Question 2

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 3

The smallest and most significant taxon is a ______.

Accepted Answer

A)  kingdom 
B)  phylum 
C)  species 
D)  family 
E)  genus 
A)  kingdom 
B)  phylum 
C)  species 
D)  family 
E)  genus

Question 4

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 5

Trees of life that illustrate the phylogenetic relationships of all organisms were traditionally based on ______; newer methods for determining phylogeny rely on ______.

Accepted Answer

A)  morphology; virology 
B)  nucleic acid sequences; morphology 
C)  morphology; nucleic acid sequences 
D)  nucleic acid sequences; microbiomes 
E)  morphology; nutritional requirements 
A)  morphology; virology 
B)  nucleic acid sequences; morphology 
C)  morphology; nucleic acid sequences 
D)  nucleic acid sequences; microbiomes 
E)  morphology; nutritional requirements

Question 6

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

Accepted Answer

A)  Cannot be seen without a microscope 
B)  Contain genetic material 
C)  Cause human disease 
D)  Lack a nucleus 
E)  Lack cell structure 
A)  Cannot be seen without a microscope 
B)  Contain genetic material 
C)  Cause human disease 
D)  Lack a nucleus 
E)  Lack cell structure

Question 7

In which way are archaea and eukaryotes the same?

Accepted Answer

A)  Have a cell wall for rigidity 
B)  Can use flagella for movement 
C)  Contain mitochondria for energy production 
D)  Contain membrane-bound organelles 
A)  Have a cell wall for rigidity 
B)  Can use flagella for movement 
C)  Contain mitochondria for energy production 
D)  Contain membrane-bound organelles

Question 8

Disease-causing microorganisms are called ______.

Accepted Answer

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

Question 9

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 10

When assigning a scientific name to an organism,

Accepted Answer

A)  the species name is placed first. 
B)  the species name can be abbreviated. 
C)  both genus and species names are italicized or underlined. 
D)  both genus and species names are capitalized. 
E)  the species name is capitalized. 
A)  the species name is placed first. 
B)  the species name can be abbreviated. 
C)  both genus and species names are italicized or underlined. 
D)  both genus and species names are capitalized. 
E)  the species name is capitalized.

Question 11

The sum total of all the microbes in a certain environment is termed the ______.

Accepted Answer

A)  microbiome 
B)  microbial niche 
C)  domain 
D)  biofilm 
E)  phylogeny 
A)  microbiome 
B)  microbial niche 
C)  domain 
D)  biofilm 
E)  phylogeny

Question 12

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 13

Astrobiology is considered a sub-discipline of microbiology because

Accepted Answer

A)  life elsewhere in the universe is likely to be microbial. 
B)  microbes are known to exist on other planets. 
C)  all extraterrestrials known are microbial. 
D)  only microbes can reproduce under the extreme conditions in outer space. 
A)  life elsewhere in the universe is likely to be microbial. 
B)  microbes are known to exist on other planets. 
C)  all extraterrestrials known are microbial. 
D)  only microbes can reproduce under the extreme conditions in outer space.

Question 14

The study of evolutionary relationships among organisms is called ______.

Accepted Answer

A)  genetics 
B)  biotechnology 
C)  phylogeny 
D)  taxonomy 
E)  recombinant DNA 
A)  genetics 
B)  biotechnology 
C)  phylogeny 
D)  taxonomy 
E)  recombinant DNA

Question 15

All bacteria and archaea are microorganisms,but only some eukaryotes are microorganisms.

Accepted Answer

A) True 
 B)False

Question 16

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

Accepted Answer

A) True 
 B)False

Question 17

Which group of microorganisms is composed only of hereditary material wrapped in a protein covering?

Accepted Answer

A)  Yeasts 
B)  Parasites 
C)  Viruses 
D)  Fungi 
E)  Bacteria 
A)  Yeasts 
B)  Parasites 
C)  Viruses 
D)  Fungi 
E)  Bacteria

Question 18

Experimentation

Accepted Answer

A)  is the first step in the scientific method. 
B)  is designed to support an hypothesis. 
C)  provides a means to gather objective data. 
D)  is designed to refute an hypothesis. 
E)  provides a means to gather subjective data. 
A)  is the first step in the scientific method. 
B)  is designed to support an hypothesis. 
C)  provides a means to gather objective data. 
D)  is designed to refute an hypothesis. 
E)  provides a means to gather subjective data.

Question 19

Which activity is an example of biotechnology?

Accepted Answer

A)  Bacteria in the soil secreting an antibiotic to kill competitors 
B)  Public health officials monitoring diseases in a community 
C)  Egyptians using moldy bread on wounds 
D)  A microbiologist using the microscope to view bacteria 
E)  Escherichia coli producing human insulin 
A)  Bacteria in the soil secreting an antibiotic to kill competitors 
B)  Public health officials monitoring diseases in a community 
C)  Egyptians using moldy bread on wounds 
D)  A microbiologist using the microscope to view bacteria 
E)  Escherichia coli producing human insulin

Question 20

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

Exam 1: The Main Themes of Microbiology

Which of the following is a scientific name?

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

The smallest and most significant taxon is a ______.

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

Trees of life that illustrate the phylogenetic relationships of all organisms were traditionally based on ______; newer methods for determining phylogeny rely on ______.

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

In which way are archaea and eukaryotes the same?

Disease-causing microorganisms are called ______.

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

When assigning a scientific name to an organism,

The sum total of all the microbes in a certain environment is termed the ______.

The scientific method includes all of the following except ______.

Astrobiology is considered a sub-discipline of microbiology because

The study of evolutionary relationships among organisms is called ______.

All bacteria and archaea are microorganisms,but only some eukaryotes are microorganisms.

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

Which group of microorganisms is composed only of hereditary material wrapped in a protein covering?

Experimentation

Which activity is an example of biotechnology?

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

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

Filters

Trees of life that illustrate the phylogenetic relationships of all organisms were traditionally based on ; newer methods for determining phylogeny rely on .