Comprehensive Microbiology Study Covering
Microorganisms Bacteria Archaea Viruses
Fungi Protozoa Helminths Algae Prokaryotes
Eukaryotes Cellular Acellular Pathogens
Infectious Communicable Emerging
Reemerging Free-Living Parasites Hosts
Hypotheses Scientific Method Germ Theory
Koch’s Postulates Aseptic Techniques
Sterilization Photosynthesis Decomposition
Nutrient Cycling Energy Flow Taxonomy
Binomial Nomenclature Classification
Identification Microbial Genetics
Biotechnology Recombinant DNA Technology
Epidemiolog Exam Questions Verified and
Provided with A+ Graded Rationales Latest
Updated 2026
The major types of microorganisms include:
Protozoa
Plants
Animals
Fungi
Algae
Viruses
Bacteria
Protozoa, Fungi, Algae, Viruses, Bacteria
_____ can be seen with the naked eye
,Microorganisms
_____ are small, single-celled prokaryotic organisms
Bacteria
_____ are not cellular (acellular) and are composed of nucleic acid surrounded by a protein coat
Virus
Which term best describes a disease caused by a microorganism?
Communicable
Infectious
Nosocomial
Infectious
Which microbe(s) have a true nucleus?
Virus
Archaea
Protists
Prion
Yeast
Protists, Yeast
Thinking of the two major cell types in the world: a(n) _____ cell contains organelles, such as
the Golgi apparatus, and mitochondria. However, these organelles are not found in _____
prokaryotic cells.
eukaryotic, prokaryotic
A(n) _____ is a tentative explanation of an observation.
hypothesis
Organisms that are only visible with the aid of a microscope are:
macroscopic
microscopic
microscopic
When organisms are visible to the naked eye, they are called _____.
, macroscopic
Which event helped establish the science of microbiology?
The discovery of DNA
The organization of life into taxonomic herarchies
The development of the microscope
The development of the microscope
Put these levels of classification in order from most general to most specific.
Genus, Species, Kingdom
Kingdom, Genus, Species
Taxonomy involves _____ and _____ living things.
searching for
controlling
classifying
naming
classifying, naming
The germ theory of disease stated that:
microorganisms could cause infection and disease
all human diseases are caused by infectious agents
handwashing is the best means to prevent disease
life only comes from existing life
microorganisms could cause infection and disease
Koch's four _____ are a series of proofs that establish whether an organism is pathogenic and
which disease it causes.
postulates
All cells contain a cell _____.
membrane
_____ is the specific study of microscopic organisms, including bacteria, archaea, fungi,
protozoa, and viruses.
Microorganisms Bacteria Archaea Viruses
Fungi Protozoa Helminths Algae Prokaryotes
Eukaryotes Cellular Acellular Pathogens
Infectious Communicable Emerging
Reemerging Free-Living Parasites Hosts
Hypotheses Scientific Method Germ Theory
Koch’s Postulates Aseptic Techniques
Sterilization Photosynthesis Decomposition
Nutrient Cycling Energy Flow Taxonomy
Binomial Nomenclature Classification
Identification Microbial Genetics
Biotechnology Recombinant DNA Technology
Epidemiolog Exam Questions Verified and
Provided with A+ Graded Rationales Latest
Updated 2026
The major types of microorganisms include:
Protozoa
Plants
Animals
Fungi
Algae
Viruses
Bacteria
Protozoa, Fungi, Algae, Viruses, Bacteria
_____ can be seen with the naked eye
,Microorganisms
_____ are small, single-celled prokaryotic organisms
Bacteria
_____ are not cellular (acellular) and are composed of nucleic acid surrounded by a protein coat
Virus
Which term best describes a disease caused by a microorganism?
Communicable
Infectious
Nosocomial
Infectious
Which microbe(s) have a true nucleus?
Virus
Archaea
Protists
Prion
Yeast
Protists, Yeast
Thinking of the two major cell types in the world: a(n) _____ cell contains organelles, such as
the Golgi apparatus, and mitochondria. However, these organelles are not found in _____
prokaryotic cells.
eukaryotic, prokaryotic
A(n) _____ is a tentative explanation of an observation.
hypothesis
Organisms that are only visible with the aid of a microscope are:
macroscopic
microscopic
microscopic
When organisms are visible to the naked eye, they are called _____.
, macroscopic
Which event helped establish the science of microbiology?
The discovery of DNA
The organization of life into taxonomic herarchies
The development of the microscope
The development of the microscope
Put these levels of classification in order from most general to most specific.
Genus, Species, Kingdom
Kingdom, Genus, Species
Taxonomy involves _____ and _____ living things.
searching for
controlling
classifying
naming
classifying, naming
The germ theory of disease stated that:
microorganisms could cause infection and disease
all human diseases are caused by infectious agents
handwashing is the best means to prevent disease
life only comes from existing life
microorganisms could cause infection and disease
Koch's four _____ are a series of proofs that establish whether an organism is pathogenic and
which disease it causes.
postulates
All cells contain a cell _____.
membrane
_____ is the specific study of microscopic organisms, including bacteria, archaea, fungi,
protozoa, and viruses.
