Microbiology Test Questions And
Correct Answers |Vol26
D - Ans--Which of the following is a eukaryotic domain in the three-domain
system?
A. Archaea
B. Fungi
C. Bacteria
D. Eukarya
A - Ans--Who was the first to observe microorganisms with a microscope?
A. van Leeuwenhoek
B. Hooke
C. Koch
D. Pasteur
E. None of the above
B - Ans--These are the primary molecules making up membranes in cells:
A. Proteins
B. Phospholipids
C. Nucleic acids
D. Carbohydrates
E. None of the above
A - Ans--Aerobic respiration differs from anaerobic respiration in which of
the following respects?
A. The final electron acceptors are different
B. Aerobic respiration creates fewer molecules of ATP
C. ANaerobic respiration includes glycolysis
D. Aerobic respiration requires the electron transport chain
B - Ans--Which of the following has to consume carbohydrates for both
carbon and energy?
A. Photoautotroph
B. Chemoheterotroph
C. Chemoautotroph
,D. Photoheterotroph
B - Ans--salts and sugars work to preserve foods by creating a
A. depletion of nutrients
B. hypertonic environment
C. hypotonic environment
D. lower pH
D - Ans--The term facultative anaerobe refers to an organism
A. is killed by oxygen
B. doesnt use oxygen but tolerates it
C. requires less oxygen than is present in air
D. can use oxygen or can grow without oxygen
C - Ans--which group of the following bacterial growth types and
temperatures is mismatched?
A. Psychrotroph- optimal growth 22C
B. Psychrophile- optimal growth 12C
C. Thermophile- optimal growth 37C
D. Hyperthermophile- optimal growth 95C
A - Ans--Which group of microorganisms is most likely to spoil a freshwater
trout preserved with salt?
A. Halophiles
B. Psychrophiles
C. Anaerobes
D. Thermophiles
A - Ans--Which of the following is a good method to sterilize the interior of
dense materials without using high heat?
A. ionizing radiation
B. Pasteurization
C. autoclave
D. none of the above
B - Ans--One important ecosystem function performed by microorganisms
(such as algae and cyanobacteria) is the primary production of biomass
through the metabolic process of
, A. Anaerobic respiration
B. Photosynthesis
C. Aerobic respiration
D. fermentation
B - Ans--The bacteria that are typically present and on the surface of the
human body, and which are typically harmless or even helpful to humans
are called the "________" microbiota
A. endemic
B. normal
C. symptomatic
D. pathogenic
D - Ans--WHat does the scientific debate about spontaneous generation vs.
biogenesis tell us about the process of science?
A. science is composed of theories based on personal beliefs
B. none of the above
C. Science is simply the collection of facts about nature over time
D. Science is the process of refining ideas through vigorous debate and the
challenging of old ideas with new data collection
A - Ans--Which of the following bacterial genus names means "string of rod-
shaped cells"
A. Streptobacillus
B. Streptococcus
C. Lactobacillus
D. Staphylobacillus
D - Ans--Regarding pasteurs experiments with the S-neck flask, which of
the following statements is true?
A. The liquid did not contain food for microbes
B. The results supported the theory of spontaneous generation, not
biogenesis
C. The liquid was not boiled to kill the microbes
D. The S-flask allowed air to enter the flask
D - Ans--whose work began the "golden age of microbiology" and included
the refinement of aseptic technique?
Correct Answers |Vol26
D - Ans--Which of the following is a eukaryotic domain in the three-domain
system?
A. Archaea
B. Fungi
C. Bacteria
D. Eukarya
A - Ans--Who was the first to observe microorganisms with a microscope?
A. van Leeuwenhoek
B. Hooke
C. Koch
D. Pasteur
E. None of the above
B - Ans--These are the primary molecules making up membranes in cells:
A. Proteins
B. Phospholipids
C. Nucleic acids
D. Carbohydrates
E. None of the above
A - Ans--Aerobic respiration differs from anaerobic respiration in which of
the following respects?
A. The final electron acceptors are different
B. Aerobic respiration creates fewer molecules of ATP
C. ANaerobic respiration includes glycolysis
D. Aerobic respiration requires the electron transport chain
B - Ans--Which of the following has to consume carbohydrates for both
carbon and energy?
A. Photoautotroph
B. Chemoheterotroph
C. Chemoautotroph
,D. Photoheterotroph
B - Ans--salts and sugars work to preserve foods by creating a
A. depletion of nutrients
B. hypertonic environment
C. hypotonic environment
D. lower pH
D - Ans--The term facultative anaerobe refers to an organism
A. is killed by oxygen
B. doesnt use oxygen but tolerates it
C. requires less oxygen than is present in air
D. can use oxygen or can grow without oxygen
C - Ans--which group of the following bacterial growth types and
temperatures is mismatched?
A. Psychrotroph- optimal growth 22C
B. Psychrophile- optimal growth 12C
C. Thermophile- optimal growth 37C
D. Hyperthermophile- optimal growth 95C
A - Ans--Which group of microorganisms is most likely to spoil a freshwater
trout preserved with salt?
A. Halophiles
B. Psychrophiles
C. Anaerobes
D. Thermophiles
A - Ans--Which of the following is a good method to sterilize the interior of
dense materials without using high heat?
A. ionizing radiation
B. Pasteurization
C. autoclave
D. none of the above
B - Ans--One important ecosystem function performed by microorganisms
(such as algae and cyanobacteria) is the primary production of biomass
through the metabolic process of
, A. Anaerobic respiration
B. Photosynthesis
C. Aerobic respiration
D. fermentation
B - Ans--The bacteria that are typically present and on the surface of the
human body, and which are typically harmless or even helpful to humans
are called the "________" microbiota
A. endemic
B. normal
C. symptomatic
D. pathogenic
D - Ans--WHat does the scientific debate about spontaneous generation vs.
biogenesis tell us about the process of science?
A. science is composed of theories based on personal beliefs
B. none of the above
C. Science is simply the collection of facts about nature over time
D. Science is the process of refining ideas through vigorous debate and the
challenging of old ideas with new data collection
A - Ans--Which of the following bacterial genus names means "string of rod-
shaped cells"
A. Streptobacillus
B. Streptococcus
C. Lactobacillus
D. Staphylobacillus
D - Ans--Regarding pasteurs experiments with the S-neck flask, which of
the following statements is true?
A. The liquid did not contain food for microbes
B. The results supported the theory of spontaneous generation, not
biogenesis
C. The liquid was not boiled to kill the microbes
D. The S-flask allowed air to enter the flask
D - Ans--whose work began the "golden age of microbiology" and included
the refinement of aseptic technique?
