Question 1

Microbial sterilization is used to

Accepted Answer

A) decrease the possibility of contaminants growing in a culture. 
B) kill bacteria but not necessarily viruses or other microbes. 
C) kill all microbes in or on objects. 
D) clean a work area. 
A) decrease the possibility of contaminants growing in a culture. 
B) kill bacteria but not necessarily viruses or other microbes. 
C) kill all microbes in or on objects. 
D) clean a work area.

Question 2

Which of the following is/are characteristic of ALL cellular organisms?

Accepted Answer

A) communication 
B) evolution 
C) motility 
D) communication,evolution,and motility 
A) communication 
B) evolution 
C) motility 
D) communication,evolution,and motility

Question 3

Microbial ecology is the study of

Accepted Answer

A) microbial processes in the rhizosphere that benefit plant growth. 
B) the diversity and activities of microorganisms. 
C) the grouping and classifying of microorganisms. 
D) microorganisms in their natural environments. 
A) microbial processes in the rhizosphere that benefit plant growth. 
B) the diversity and activities of microorganisms. 
C) the grouping and classifying of microorganisms. 
D) microorganisms in their natural environments.

Question 4

Applied microbiology deals with important practical problems in

Accepted Answer

A) medicine. 
B) agriculture. 
C) industry. 
D) medicine,agriculture,and industry. 
A) medicine. 
B) agriculture. 
C) industry. 
D) medicine,agriculture,and industry.

Question 5

Some microorganisms can undergo ________ in which various cell types can become specialized and arise from one parent cell type.

Accepted Answer

A) differentiation 
B) genetic exchange 
C) maturation 
D) mutagensis 
A) differentiation 
B) genetic exchange 
C) maturation 
D) mutagensis

Question 6

________ was the first to identify a new form of autotrophy in which energy is obtained from oxidizing inorganic compounds called ________.

Accepted Answer

A) Martinus Beijerinck / heteroautotrophy 
B) Martinus Beijerinck / chemolithotrophy 
C) Sergei Winogradsky / heteroautotrophy 
D) Sergei Winogradsky / chemolithotrophy 
A) Martinus Beijerinck / heteroautotrophy 
B) Martinus Beijerinck / chemolithotrophy 
C) Sergei Winogradsky / heteroautotrophy 
D) Sergei Winogradsky / chemolithotrophy

Question 7

Major classes of macromolecules present in all living microorganisms include

Accepted Answer

A) amino acids,carbohydrates,lipids,and nucleic acids. 
B) cell wall,cytoplasmic membrane,nucleoid,and ribosomes. 
C) genes,proteins,and vitamins. 
D) inorganic and organic compounds. 
A) amino acids,carbohydrates,lipids,and nucleic acids. 
B) cell wall,cytoplasmic membrane,nucleoid,and ribosomes. 
C) genes,proteins,and vitamins. 
D) inorganic and organic compounds.

Question 8

Archaea and Bacteria are unified as prokaryotes in lacking ________ which Eukarya contain,such as golgi.

Accepted Answer

A) membranes 
B) nuclei 
C) membrane-enclosed organelles 
D) nuclei and membrane-enclosed organelles 
A) membranes 
B) nuclei 
C) membrane-enclosed organelles 
D) nuclei and membrane-enclosed organelles

Question 9

The largest mass of living material on Earth comes from

Accepted Answer

A) microorganisms. 
B) plants. 
C) animals. 
D) plants and animals together. 
A) microorganisms. 
B) plants. 
C) animals. 
D) plants and animals together.

Question 10

A Pasteur flask has a(n)

Accepted Answer

A) swan neck to prevent particulate matter from getting into the main body of the flask. 
B) double neck so two substances may be added at the same time. 
C) secondary opening at the base to allow for drainage. 
D) inverted upper edge to prevent spillage while swirling. 
A) swan neck to prevent particulate matter from getting into the main body of the flask. 
B) double neck so two substances may be added at the same time. 
C) secondary opening at the base to allow for drainage. 
D) inverted upper edge to prevent spillage while swirling.

Question 11

________ produced by microbial fermentation of glucose from cellulose or cornstarch is becoming a more important component of biofuels in the United States,and specialized ________ are needed to make this a commercially available product.

Accepted Answer

A) Biodiesel / biotechnologists 
B) Biodiesel / industrial microbiologists 
C) Ethanol / biotechnologists 
D) Ethanol / industrial microbiologists 
A) Biodiesel / biotechnologists 
B) Biodiesel / industrial microbiologists 
C) Ethanol / biotechnologists 
D) Ethanol / industrial microbiologists

Question 12

The theory of spontaneous generation was refuted by the work of

Accepted Answer

A) Louis Pasteur. 
B) Robert Koch. 
C) Robert Hooke. 
D) Antoni van Leeuwenhoek. 
A) Louis Pasteur. 
B) Robert Koch. 
C) Robert Hooke. 
D) Antoni van Leeuwenhoek.

Question 13

Sergei Winogradsky worked with bacteria involved in cycling nitrogen and sulfur.

Accepted Answer

A) True 
 B)False

Question 14

Most prokaryotic cells reside

Accepted Answer

A) on Earth's surface. 
B) in lakes,rivers,and oceans. 
C) in and on nonprokaryotic organisms (including humans and other animals). 
D) in the oceanic and terrestrial subsurfaces. 
A) on Earth's surface. 
B) in lakes,rivers,and oceans. 
C) in and on nonprokaryotic organisms (including humans and other animals). 
D) in the oceanic and terrestrial subsurfaces.

Question 15

Metabolism is a unifying characteristic of all cellular organisms.

Accepted Answer

A) True 
 B)False

Question 16

Treponema pallidum,a bacterium associated with syphilis,is not considered a pathogen because to date it remains unculturable in the lab,and,therefore,Koch's postulates are unable to be fulfilled.

Accepted Answer

A) True 
 B)False

Question 17

Which statement is TRUE?

Accepted Answer

A) Populations are assemblages of microbial communities. 
B) Microbial communities are assemblages of populations. 
C) Habitats are assemblages of microbial communities. 
D) Populations are assemblages of habitats. 
A) Populations are assemblages of microbial communities. 
B) Microbial communities are assemblages of populations. 
C) Habitats are assemblages of microbial communities. 
D) Populations are assemblages of habitats.

Question 18

Determine which outcome is LEAST likely for a microorganism being motile.

Accepted Answer

A) avoidance of predation by bacteriovores 
B) maintaining osmotic balance within a salt gradient 
C) movement towards growth substrates 
D) transfer of plasmids to progeny 
A) avoidance of predation by bacteriovores 
B) maintaining osmotic balance within a salt gradient 
C) movement towards growth substrates 
D) transfer of plasmids to progeny

Question 19

According to our present understanding,each of the three major domains has what is known as its own universal ancestor.

Accepted Answer

A) True 
 B)False

Question 20

Basic microbiology can be used to

Accepted Answer

A) probe the fundamental processes of life. 
B) study characteristics of cells of multicellular organisms. 
C) model our understanding of cellular processes in multicellular organisms,including humans. 
D) probe the fundamental processes of life,study characteristics of cells of multicellular organisms,and model our understanding of cellular processes in multicellular organisms,including humans. 
A) probe the fundamental processes of life. 
B) study characteristics of cells of multicellular organisms. 
C) model our understanding of cellular processes in multicellular organisms,including humans. 
D) probe the fundamental processes of life,study characteristics of cells of multicellular organisms,and model our understanding of cellular processes in multicellular organisms,including humans.

Exam 1: Microorganisms and Microbiology

Microbial sterilization is used to

Which of the following is/are characteristic of ALL cellular organisms?

Microbial ecology is the study of

Applied microbiology deals with important practical problems in

Some microorganisms can undergo ________ in which various cell types can become specialized and arise from one parent cell type.

________ was the first to identify a new form of autotrophy in which energy is obtained from oxidizing inorganic compounds called ________.

Major classes of macromolecules present in all living microorganisms include

Archaea and Bacteria are unified as prokaryotes in lacking ________ which Eukarya contain,such as golgi.

The largest mass of living material on Earth comes from

A Pasteur flask has a(n)

________ produced by microbial fermentation of glucose from cellulose or cornstarch is becoming a more important component of biofuels in the United States,and specialized ________ are needed to make this a commercially available product.

The theory of spontaneous generation was refuted by the work of

Sergei Winogradsky worked with bacteria involved in cycling nitrogen and sulfur.

Most prokaryotic cells reside

Metabolism is a unifying characteristic of all cellular organisms.

Treponema pallidum,a bacterium associated with syphilis,is not considered a pathogen because to date it remains unculturable in the lab,and,therefore,Koch's postulates are unable to be fulfilled.

Which statement is TRUE?

Determine which outcome is LEAST likely for a microorganism being motile.

According to our present understanding,each of the three major domains has what is known as its own universal ancestor.

Basic microbiology can be used to

Microbial Cell Structure and Function

Microbial Metabolism

Molecular Biology

Microbial Growth and Control

Microbial Genomics

Metabolic Regulation

Viruses and Virology

Viral Genomes and Diversity

Genetics of Bacteria and Archaea

Genetic Engineering and Biotechnology

Microbial Evolution and Systematics

Metabolic Diversity of Microorganisms

Functional Diversity of Bacteria

Diversity of Bacteria

Diversity of Archaea

Diversity of Eukaryotic Microorganisms

Methods in Microbial Ecology

Microbial Ecosystems

Nutrient Cycles

Microbiology of the Built Environment

Microbial Symbioses

Microbial Interactions With Humans

Immunity and Host Defense

Immune Mechanisms

Molecular Immunology

Diagnostic Microbiology

Epidemiology

Person-To-Person Bacterial and Viral Diseases

Vectorborne and Soilborne Bacterial and Viral Diseases

Water and Food As Vehicles of Bacterial Diseases

Eukaryotic Pathogens: Fungal and Parasitic Diseases

Filters

was the first to identify a new form of autotrophy in which energy is obtained from oxidizing inorganic compounds called .

produced by microbial fermentation of glucose from cellulose or cornstarch is becoming a more important component of biofuels in the United States,and specialized are needed to make this a commercially available product.