Microbiology Final Exam Updated Questions and
Answers (2026) | Latest Practice Review with
Detailed Explanations | Grade A+
• Why study microbiology -✓✓microbes have profound impact on our lives and health
• Most microorganisms are harmful -✓✓False
• The leading cause of death resulting from infectious disease is -✓✓acute respiratory
infection
• Which of the following has been a major factor leading to emerging disease -✓✓all of
the above
• _________ has returned to the ranks of leading causes of death as a "re-emerging"
disease becuase of increasing drug resistance -✓✓Tuberculosis
• Which of the following is a disease caused by a new human pathogen -✓✓SARS
• Which of the following has been used as a biological weapon -✓✓anthrax and
smallpox
• Who developed the first true vaccine -✓✓E. Jenner
• Aseptic surgical practices were introduced by -✓✓J lister
• Who among the following first detected the existence of noncellular infectious agents,
which are now known as viruses -✓✓L. Pasteur
• The use of microorganisms to clean up toxic spills known as -✓✓Bioremediation
• Which of the following first proposed that health care workers should wash their hands
before coming into contact with their patients -✓✓I. Semmelweis
• The process for determining the etiologic agent of an infectious disease was
developed by___________, and used to identify the bacteria caused by anthrax -✓✓R.
Koch
• Mycology is the study of -✓✓Fungi
• The study of the body's defenses against invading microbes is called -✓✓immunology
,• Which of the following cellular structures is not found in all organisms -✓✓Cell wall
• Which of the following organisms are prokaryotes -✓✓Bacteria
• Which of the following infectious agents is not an organism -✓✓Virus
• The genetic material of prokaryotes is -✓✓a single circular chromosome
• Bacterial cell walls are composed of -✓✓peptidoglycan
• Human tapeworms are best measured in -✓✓meters
• The genetic material of eukaryotes is found in the _________ of the cell -✓✓nucleus
• The organelle involved in both digestion and apoptosis is the -✓✓lysosome
• Which of the following is best described as an infectious protein -✓✓prions
• The primary function of the ________________ is production of the short-term energy
storage molecule ATP -✓✓mitcohondrion
• The first antibiotic discovered kills bacteria but does not harm people. This is an
example of -✓✓selective toxicity
• Yeasts are members of the -✓✓Mycetae
• The scientific name of an organism is the -✓✓genus and species
• Which version of binomial nomenclature form is correct -✓✓Escherichia coli
• The microscopes used in AC microbiology laboratory are__________________ -
✓✓compound bright-field microscopes
• In microbiology growth usually means -✓✓an increase in the number of microbial cells
• Proteins that catalyze the reactions of metabolism are called -✓✓enzymes
• Organisms which obtain their carbon and energy from organic sources of carbon are
called -✓✓chemoheterotrophs
• Dehydration synthesis reactions are a common type of _____________ reaction -
✓✓anabolic
, • In Dr. Dolby's class organic means grown without the use of chemicals -✓✓False
• An organism described as fastidous -✓✓has extensive nutrient requirements
• All living things require nitrogen -✓✓True
• Which of the following statements are true of anabolic metabolism -✓✓it results in the
formation of biomolecules
• Which of the following is a feature that eukaryotes have but prokaryotes lack -
✓✓nucleus
• the agent that causes mad cow disease is a newly recognized type of agent of
infectious disease known as -✓✓prions
• Chemoautotroph -✓✓uses inorganic chemicals to fuel its metabolism
• Photautotroph -✓✓uses inorganic sources of carbon and light energy
• Facultative anaerobe -✓✓can grow in the presence or absence of oxygen
• Halophile -✓✓grows best in high salt concentrations
• Microaerophile -✓✓can only grow in low oxygen conditions
• Some archea of thermophiles, which means they thrive under _________________ -
✓✓high temperature
• A few prokaryotes are capable of fixing nitrogen which means they -✓✓convert
nitrogen gas to organic nitrogen
• The first use of microbes as weapons in North america occured in 2001 when anthrax
was sent throughtthe mail to several polititiacans -✓✓False
• Which of the listed taxonimic ranks is the larges, containing the greatest number of
different kinds of organisms -✓✓Domain
• Which of the following is produced by the activity of microorganisms -✓✓All
• Sexual reproduction involves meiosis. -✓✓True
• Which of the following organisms is beneficial?
A) Lactobacillus
Answers (2026) | Latest Practice Review with
Detailed Explanations | Grade A+
• Why study microbiology -✓✓microbes have profound impact on our lives and health
• Most microorganisms are harmful -✓✓False
• The leading cause of death resulting from infectious disease is -✓✓acute respiratory
infection
• Which of the following has been a major factor leading to emerging disease -✓✓all of
the above
• _________ has returned to the ranks of leading causes of death as a "re-emerging"
disease becuase of increasing drug resistance -✓✓Tuberculosis
• Which of the following is a disease caused by a new human pathogen -✓✓SARS
• Which of the following has been used as a biological weapon -✓✓anthrax and
smallpox
• Who developed the first true vaccine -✓✓E. Jenner
• Aseptic surgical practices were introduced by -✓✓J lister
• Who among the following first detected the existence of noncellular infectious agents,
which are now known as viruses -✓✓L. Pasteur
• The use of microorganisms to clean up toxic spills known as -✓✓Bioremediation
• Which of the following first proposed that health care workers should wash their hands
before coming into contact with their patients -✓✓I. Semmelweis
• The process for determining the etiologic agent of an infectious disease was
developed by___________, and used to identify the bacteria caused by anthrax -✓✓R.
Koch
• Mycology is the study of -✓✓Fungi
• The study of the body's defenses against invading microbes is called -✓✓immunology
,• Which of the following cellular structures is not found in all organisms -✓✓Cell wall
• Which of the following organisms are prokaryotes -✓✓Bacteria
• Which of the following infectious agents is not an organism -✓✓Virus
• The genetic material of prokaryotes is -✓✓a single circular chromosome
• Bacterial cell walls are composed of -✓✓peptidoglycan
• Human tapeworms are best measured in -✓✓meters
• The genetic material of eukaryotes is found in the _________ of the cell -✓✓nucleus
• The organelle involved in both digestion and apoptosis is the -✓✓lysosome
• Which of the following is best described as an infectious protein -✓✓prions
• The primary function of the ________________ is production of the short-term energy
storage molecule ATP -✓✓mitcohondrion
• The first antibiotic discovered kills bacteria but does not harm people. This is an
example of -✓✓selective toxicity
• Yeasts are members of the -✓✓Mycetae
• The scientific name of an organism is the -✓✓genus and species
• Which version of binomial nomenclature form is correct -✓✓Escherichia coli
• The microscopes used in AC microbiology laboratory are__________________ -
✓✓compound bright-field microscopes
• In microbiology growth usually means -✓✓an increase in the number of microbial cells
• Proteins that catalyze the reactions of metabolism are called -✓✓enzymes
• Organisms which obtain their carbon and energy from organic sources of carbon are
called -✓✓chemoheterotrophs
• Dehydration synthesis reactions are a common type of _____________ reaction -
✓✓anabolic
, • In Dr. Dolby's class organic means grown without the use of chemicals -✓✓False
• An organism described as fastidous -✓✓has extensive nutrient requirements
• All living things require nitrogen -✓✓True
• Which of the following statements are true of anabolic metabolism -✓✓it results in the
formation of biomolecules
• Which of the following is a feature that eukaryotes have but prokaryotes lack -
✓✓nucleus
• the agent that causes mad cow disease is a newly recognized type of agent of
infectious disease known as -✓✓prions
• Chemoautotroph -✓✓uses inorganic chemicals to fuel its metabolism
• Photautotroph -✓✓uses inorganic sources of carbon and light energy
• Facultative anaerobe -✓✓can grow in the presence or absence of oxygen
• Halophile -✓✓grows best in high salt concentrations
• Microaerophile -✓✓can only grow in low oxygen conditions
• Some archea of thermophiles, which means they thrive under _________________ -
✓✓high temperature
• A few prokaryotes are capable of fixing nitrogen which means they -✓✓convert
nitrogen gas to organic nitrogen
• The first use of microbes as weapons in North america occured in 2001 when anthrax
was sent throughtthe mail to several polititiacans -✓✓False
• Which of the listed taxonimic ranks is the larges, containing the greatest number of
different kinds of organisms -✓✓Domain
• Which of the following is produced by the activity of microorganisms -✓✓All
• Sexual reproduction involves meiosis. -✓✓True
• Which of the following organisms is beneficial?
A) Lactobacillus
