Microbiology Test Questions and All
Solved Solutions.
D - Answer Which of the following is a eukaryotic domain in the three-domain system?
A. Archaea
B. Fungi
C. Bacteria
D. Eukarya
A - Answer 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 - Answer 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 - Answer 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 - Answer Which of the following has to consume carbohydrates for both carbon and energy?
A. Photoautotroph
B. Chemoheterotroph
C. Chemoautotroph
D. Photoheterotroph
,B - Answer salts and sugars work to preserve foods by creating a
A. depletion of nutrients
B. hypertonic environment
C. hypotonic environment
D. lower pH
D - Answer 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 - Answer 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 - Answer Which group of microorganisms is most likely to spoil a freshwater trout preserved
with salt?
A. Halophiles
B. Psychrophiles
C. Anaerobes
D. Thermophiles
A - Answer 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 - Answer 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 - Answer 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 - Answer 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 - Answer Which of the following bacterial genus names means "string of rod-shaped cells"
A. Streptobacillus
B. Streptococcus
C. Lactobacillus
D. Staphylobacillus
D - Answer 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 - Answer whose work began the "golden age of microbiology" and included the refinement
of aseptic technique?
A. Hooke
Solved Solutions.
D - Answer Which of the following is a eukaryotic domain in the three-domain system?
A. Archaea
B. Fungi
C. Bacteria
D. Eukarya
A - Answer 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 - Answer 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 - Answer 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 - Answer Which of the following has to consume carbohydrates for both carbon and energy?
A. Photoautotroph
B. Chemoheterotroph
C. Chemoautotroph
D. Photoheterotroph
,B - Answer salts and sugars work to preserve foods by creating a
A. depletion of nutrients
B. hypertonic environment
C. hypotonic environment
D. lower pH
D - Answer 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 - Answer 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 - Answer Which group of microorganisms is most likely to spoil a freshwater trout preserved
with salt?
A. Halophiles
B. Psychrophiles
C. Anaerobes
D. Thermophiles
A - Answer 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 - Answer 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 - Answer 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 - Answer 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 - Answer Which of the following bacterial genus names means "string of rod-shaped cells"
A. Streptobacillus
B. Streptococcus
C. Lactobacillus
D. Staphylobacillus
D - Answer 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 - Answer whose work began the "golden age of microbiology" and included the refinement
of aseptic technique?
A. Hooke
