Microbiology Final Exam Questions And Well
Elaborated Solutions
Which of the following is a disease caused by a new human pathogen - ANSWER -
SARS
Which of the following has been used as a biological weapon - ANSWER -anthrax and
smallpox
Who developed the first true vaccine - ANSWER -E. Jenner
Aseptic surgical practices were introduced by - ANSWER -J lister
Who among the following first detected the existence of noncellular infectious agents,
which are now known as viruses - ANSWER -L. Pasteur
The use of microorganisms to clean up toxic spills known as - ANSWER -
Bioremediation
Which of the following first proposed that health care workers should wash their hands
before coming into contact with their patients - ANSWER -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 - ANSWER -R.
Koch
Mycology is the study of - ANSWER -Fungi
The study of the body's defenses against invading microbes is called - ANSWER -
immunology
Which of the following cellular structures is not found in all organisms - ANSWER -Cell
wall
Which of the following organisms are prokaryotes - ANSWER -Bacteria
Which of the following infectious agents is not an organism - ANSWER -Virus
The genetic material of prokaryotes is - ANSWER -a single circular chromosome
Bacterial cell walls are composed of - ANSWER -peptidoglycan
Human tapeworms are best measured in - ANSWER -meters
, The genetic material of eukaryotes is found in the _________ of the cell - ANSWER -
nucleus
The organelle involved in both digestion and apoptosis is the - ANSWER -lysosome
Which of the following is best described as an infectious protein - ANSWER -prions
The primary function of the ________________ is production of the short-term energy
storage molecule ATP - ANSWER -mitcohondrion
The first antibiotic discovered kills bacteria but does not harm people. This is an
example of - ANSWER -selective toxicity
Yeasts are members of the - ANSWER -Mycetae
The scientific name of an organism is the - ANSWER -genus and species
Which version of binomial nomenclature form is correct - ANSWER -Escherichia coli
The microscopes used in AC microbiology laboratory are__________________ -
ANSWER -compound bright-field microscopes
In microbiology growth usually means - ANSWER -an increase in the number of
microbial cells
Proteins that catalyze the reactions of metabolism are called - ANSWER -enzymes
Organisms which obtain their carbon and energy from organic sources of carbon are
called - ANSWER -chemoheterotrophs
Dehydration synthesis reactions are a common type of _____________ reaction -
ANSWER -anabolic
In Dr. Dolby's class organic means grown without the use of chemicals - ANSWER -
False
An organism described as fastidous - ANSWER -has extensive nutrient requirements
All living things require nitrogen - ANSWER -True
Which of the following statements are true of anabolic metabolism - ANSWER -it
results in the formation of biomolecules
Which of the following is a feature that eukaryotes have but prokaryotes lack -
ANSWER -nucleus
, the agent that causes mad cow disease is a newly recognized type of agent of
infectious disease known as - ANSWER -prions
Chemoautotroph - ANSWER -uses inorganic chemicals to fuel its metabolism
Photautotroph - ANSWER -uses inorganic sources of carbon and light energy
Facultative anaerobe - ANSWER -can grow in the presence or absence of oxygen
Halophile - ANSWER -grows best in high salt concentrations
Microaerophile - ANSWER -can only grow in low oxygen conditions
Some archea of thermophiles, which means they thrive under _________________ -
ANSWER -high temperature
A few prokaryotes are capable of fixing nitrogen which means they - ANSWER -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 - ANSWER -False
Which of the listed taxonimic ranks is the larges, containing the greatest number of
different kinds of organisms - ANSWER -Domain
Which of the following is produced by the activity of microorganisms - ANSWER -All
Sexual reproduction involves meiosis. - ANSWER -True
Which of the following organisms is beneficial?
A) Lactobacillus
B) Streptomyces
C) Cyanobacteria
D) Cephalosporium niveum - ANSWER -All of the above
The cellular process that results in two nuclei containing the same number of
chromosomes as the parent nucleus is known as: - ANSWER -mitosis
Polymerase Chain Reaction (PCR) is an identification method which detects the __ of
an organism. - ANSWER -genetic sequences
Which of the following is a segmented flatworm?
A) Nematoda
B) Cestoda
C) Trematoda - ANSWER -cestoda
Elaborated Solutions
Which of the following is a disease caused by a new human pathogen - ANSWER -
SARS
Which of the following has been used as a biological weapon - ANSWER -anthrax and
smallpox
Who developed the first true vaccine - ANSWER -E. Jenner
Aseptic surgical practices were introduced by - ANSWER -J lister
Who among the following first detected the existence of noncellular infectious agents,
which are now known as viruses - ANSWER -L. Pasteur
The use of microorganisms to clean up toxic spills known as - ANSWER -
Bioremediation
Which of the following first proposed that health care workers should wash their hands
before coming into contact with their patients - ANSWER -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 - ANSWER -R.
Koch
Mycology is the study of - ANSWER -Fungi
The study of the body's defenses against invading microbes is called - ANSWER -
immunology
Which of the following cellular structures is not found in all organisms - ANSWER -Cell
wall
Which of the following organisms are prokaryotes - ANSWER -Bacteria
Which of the following infectious agents is not an organism - ANSWER -Virus
The genetic material of prokaryotes is - ANSWER -a single circular chromosome
Bacterial cell walls are composed of - ANSWER -peptidoglycan
Human tapeworms are best measured in - ANSWER -meters
, The genetic material of eukaryotes is found in the _________ of the cell - ANSWER -
nucleus
The organelle involved in both digestion and apoptosis is the - ANSWER -lysosome
Which of the following is best described as an infectious protein - ANSWER -prions
The primary function of the ________________ is production of the short-term energy
storage molecule ATP - ANSWER -mitcohondrion
The first antibiotic discovered kills bacteria but does not harm people. This is an
example of - ANSWER -selective toxicity
Yeasts are members of the - ANSWER -Mycetae
The scientific name of an organism is the - ANSWER -genus and species
Which version of binomial nomenclature form is correct - ANSWER -Escherichia coli
The microscopes used in AC microbiology laboratory are__________________ -
ANSWER -compound bright-field microscopes
In microbiology growth usually means - ANSWER -an increase in the number of
microbial cells
Proteins that catalyze the reactions of metabolism are called - ANSWER -enzymes
Organisms which obtain their carbon and energy from organic sources of carbon are
called - ANSWER -chemoheterotrophs
Dehydration synthesis reactions are a common type of _____________ reaction -
ANSWER -anabolic
In Dr. Dolby's class organic means grown without the use of chemicals - ANSWER -
False
An organism described as fastidous - ANSWER -has extensive nutrient requirements
All living things require nitrogen - ANSWER -True
Which of the following statements are true of anabolic metabolism - ANSWER -it
results in the formation of biomolecules
Which of the following is a feature that eukaryotes have but prokaryotes lack -
ANSWER -nucleus
, the agent that causes mad cow disease is a newly recognized type of agent of
infectious disease known as - ANSWER -prions
Chemoautotroph - ANSWER -uses inorganic chemicals to fuel its metabolism
Photautotroph - ANSWER -uses inorganic sources of carbon and light energy
Facultative anaerobe - ANSWER -can grow in the presence or absence of oxygen
Halophile - ANSWER -grows best in high salt concentrations
Microaerophile - ANSWER -can only grow in low oxygen conditions
Some archea of thermophiles, which means they thrive under _________________ -
ANSWER -high temperature
A few prokaryotes are capable of fixing nitrogen which means they - ANSWER -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 - ANSWER -False
Which of the listed taxonimic ranks is the larges, containing the greatest number of
different kinds of organisms - ANSWER -Domain
Which of the following is produced by the activity of microorganisms - ANSWER -All
Sexual reproduction involves meiosis. - ANSWER -True
Which of the following organisms is beneficial?
A) Lactobacillus
B) Streptomyces
C) Cyanobacteria
D) Cephalosporium niveum - ANSWER -All of the above
The cellular process that results in two nuclei containing the same number of
chromosomes as the parent nucleus is known as: - ANSWER -mitosis
Polymerase Chain Reaction (PCR) is an identification method which detects the __ of
an organism. - ANSWER -genetic sequences
Which of the following is a segmented flatworm?
A) Nematoda
B) Cestoda
C) Trematoda - ANSWER -cestoda
