BROCK BIOLOGY OF MICROORGANISMS
EXAMPREP REVIEW SHEET WITH TESTED
QUESTIONS AND COMPLETE SOLUTIONS
●● Which of the following statements is correct?
Answer: Microorganisms are significant contributors to the total
biomass on Earth.
●● Differential selection and reproduction of phenotypes occurs during
a process called
Answer: evolution
●● In what/which domain(s) of life is/are microorganisms represented?
Answer: Archaea, Bacteria, and Eukarya
●● Biological catalysts involved in the acceleration of the rate of
chemical reactions are called
Answer: enzymes
●● Regarding early life on Earth
Answer: microbial life existed for billions of years before plant and
animal life.
,●● The person who described the "wee animalcules" was
Answer: Antoni van Leeuwenhoek
●● Walther Hesse and _____________ pioneered the use of agar as a
solidifying agent
Answer: Robert Koch
●● Which of the following is/are characteristic of all cellular organisms?
Answer: evolution
●● Deduce why viruses are excluded from the ribosomal RNA- based
tree of life
Answer: they lack ribosomal RNA (rRNA)
●● Louise Pasteur developed the vaccine(s) for
Answer: anthrax, fowl cholera, and rabies
●● The discovery of antibiotics and other important chemicals led to the
field of
Answer: industrial microbiology
●● Microbial sterilization is used to
Answer: kill all microbes in or on objects
, ●● Transparent double-sided dishes used for growing microbes are most
commonly called
Answer: petri dishes
●● Microbes playing a role in nitrogen fixation in plants live in
________, while those playing a role in the digestive tract of certain
herbivores live in ________.
Answer: nodules / rumens
●● Which of the following is NOT an accomplishment of Louis Pasteur?
Answer: developed enrichment culture techniques
●● The theory of spontaneous generation was refuted by the work of
Answer: Louis Pasteur
●● A Pasteur flask has a(n)
Answer: swan neck to prevent particulate matter from getting into the
main body of the flask.
●● Predict how Pasteur's conclusions on spontaneous generation with
swan flasks would have changed if he worked with and maintained the
flasks in a sterile laminar flow hood.
EXAMPREP REVIEW SHEET WITH TESTED
QUESTIONS AND COMPLETE SOLUTIONS
●● Which of the following statements is correct?
Answer: Microorganisms are significant contributors to the total
biomass on Earth.
●● Differential selection and reproduction of phenotypes occurs during
a process called
Answer: evolution
●● In what/which domain(s) of life is/are microorganisms represented?
Answer: Archaea, Bacteria, and Eukarya
●● Biological catalysts involved in the acceleration of the rate of
chemical reactions are called
Answer: enzymes
●● Regarding early life on Earth
Answer: microbial life existed for billions of years before plant and
animal life.
,●● The person who described the "wee animalcules" was
Answer: Antoni van Leeuwenhoek
●● Walther Hesse and _____________ pioneered the use of agar as a
solidifying agent
Answer: Robert Koch
●● Which of the following is/are characteristic of all cellular organisms?
Answer: evolution
●● Deduce why viruses are excluded from the ribosomal RNA- based
tree of life
Answer: they lack ribosomal RNA (rRNA)
●● Louise Pasteur developed the vaccine(s) for
Answer: anthrax, fowl cholera, and rabies
●● The discovery of antibiotics and other important chemicals led to the
field of
Answer: industrial microbiology
●● Microbial sterilization is used to
Answer: kill all microbes in or on objects
, ●● Transparent double-sided dishes used for growing microbes are most
commonly called
Answer: petri dishes
●● Microbes playing a role in nitrogen fixation in plants live in
________, while those playing a role in the digestive tract of certain
herbivores live in ________.
Answer: nodules / rumens
●● Which of the following is NOT an accomplishment of Louis Pasteur?
Answer: developed enrichment culture techniques
●● The theory of spontaneous generation was refuted by the work of
Answer: Louis Pasteur
●● A Pasteur flask has a(n)
Answer: swan neck to prevent particulate matter from getting into the
main body of the flask.
●● Predict how Pasteur's conclusions on spontaneous generation with
swan flasks would have changed if he worked with and maintained the
flasks in a sterile laminar flow hood.
