Navigation » List of Schools » Prince George Community College » Biology » Bio 2010 – Microbiology » Summer 2022 » Lecture Exam 2
Below are the questions for the exam with the choices of answers:
Question #1
A a hot vent at pH 1.5
B human blood at pH 7.2
C human intestine at pH 8.5
D milk at pH 6.5
Question #2
A that they grow well at low oxygen
B that they grow well at low oxygen
C that they grow well at low pH
D that they grow well at high pressure
E that they grow well at high pH
Question #3
A reproduction
B survival
C protein synthesis
D storage
Question #4
A the temperature that is near one extreme of its range of tolerated temperatures
B the temperature that has the highest cell growth and highest enzymatic activity
C the temperature that allows it to grow with the shortest generation time
D the temperature that has the longest time between cell divisions
Question #5
A they lack the correct nucleus
B they lack the correct atmospheric pressure
C they lack the correct salt concentration
D they lack the correct pH
E they lack the correct enzymes
Question #6
A osmotolerant.
B facultative anaerobe
C acidophile.
D obligate aerobe.
E aerotolerant anaerobe.
Question #7
A lag phase
B stationary phase
C exponential or logarithmic phase
D decline phase
Question #8
A due to the rise in cell density
B due to the accumulation of toxic metabolites
C none of these are correct
D due to the exhaustion of nutrients
E more than one of the above is correct
Question #9
A neutrophiles
B obligate anaerobes
C alkaliphiles
D facultative anaerobes
Question #10
A all of these are correct
B none of these are correct
C two of the choices are correct only
D bacterial conjugation.
E bacterial motility.
F adherence to certain surfaces.
Question #11
A aerotolerant anaerobe
B neutrophile
C acidophile
D osmotolerant
Question #12
A An individual that has been exposed to an infectious microorganism and the microorganism is replicating, but microorganism numbers have not yet reached levels necessary to produce visible symptoms.
B An individual that has survived the acute phase of the disease because of an effective immune system and/or because of effective treatment.
C none of these are correct
D An individual that is suffering maximum host cell damage and is manifesting clear and distinct symptoms of the particular disease.
Question #13
A a chemoheterotroph
B a heterotroph
C a phototroph
D a chemotroph
Question #14
A hyperthermophiles â growth at 85°C
B thermophile â growth at 50°C
C mesophile â growth at 0°C
D psychrophile â growth at 15°C
Question #15
A acidophiles
B psychrotrophs
C mesophiles
D thermophiles
Question #16
A an aerotolerant anaerobe
B an obligate anaerobe
C a facultative anaerobe
D an obligate aerobe
Question #17
A mountain lake with a water temperature of 12 °C
B yogurt cultured at room temperature
C contaminated plates left in a 35 °C incubator
D salt pond in the desert with a daytime temperature of 34 °C
Question #18
A >40°C
B 20-30°C
C 25-40°C
D None of these
Question #19
A internal structure of fixed cells.
B surface membranes of live, living cells.
C internal structure of live, living cells.
D surface structure of fixed cells.
Question #20
A fluorescence microscopy
B phase-contrast microscopy
C bright-field microscopy
D dark-field microscopy
E scanning electron microscopy
Question #21
A size
B length.
C light penetration
D diameter.
Question #22
A the same
B lower
C higher
D no relationship on
Question #23
A brightfield microscope
B darkfield microscope
C differential interference contrast microscope
D electron microscope
Question #24
A radio wavelength
B light with an intermediate wavelength
C light with a short wavelength
D light with a long wavelength
Question #25
A the microscope’s clarity.
B the microscope’s resolution.
C the minimum cell size of a cell.
D the microscope’s magnification.
Question #26
A immunofluoresnce
B differential Interference Contrast microscopy
C bright-field microscopy with staining
D phase contrast microscopy
Question #27
A phase-contrast
B dark-field
C transmission electron
D scanning electron
E bright-field
Question #28
A nose
B colon
C throat
D hand
Question #29
A dying
B attaching
C moving
D reproducing
E floating
Question #30
A cell wall
B flagellum
C capsule
D peptidoglycan
Question #31
A the production of various enzymatic activities such as hemolysins and leucocidins
B all of these
C the production of exotoxins or endotoxins.
D the presence of anatomical structures such as pili.
Question #32
A prevented the virus from leaving the host cell
B more than one of the above is correct
C none of these are correct
D prevented the virus from attaching to the host cell
E destroyed the viral nucleic acid
F prevented the virus from entering the host cell
Question #33
A none of these are correct
B cause target cells to mutate
C punch holes in target cells
D cause target cells to function more efficiently
E cause target cells to cell divide
F more than one of the above is correct
Question #34
A chloroplasts
B endoplasmic reticulum
C flagella
D nucleus
E more than one of the above is correct
F mitochondria
Question #35
A phototaxis
B gliding motility
C tumbling
D chemotaxis
Question #36
A oxygen
B water
C starvation
D nutrients
Question #37
A evade PAMPS activation
B move to a new location
C build biofilms
D damage host cells
E evade phagocytosis
Question #38
A nucleic acids
B carbohydrates
C protein
D lipids
Question #39
A monotrichous
B lophotrichous
C peritrichous
D monotrichous
Question #40
A none of these are correct
B more than one of the above is correct
C they are used in DNA exchange
D they are used in motility
E they can cause antibiotic resistance
F they are used in attachment
Question #41
A thermophiles
B barophiles
C halotolerant
D acidophiles
Question #42
A attachment increases parasitic damage to the host
B attachment increases the exchange of genes
C attachment increases endospore formation
D attachment increases motility
Question #43
A endospores are more likely to die in nutritionally poor conditions
B endospores are more resistant to staining
C endospores are more resistant to temperature changes
D endospores are more likely to survive treatment with disinfectants
Question #44
A plasma membrane
B pilum
C axial filament
D fimbria
Question #45
A none of these are correct
B more than one of the above is correct
C pili
D flagellum
E pore forming toxins
F capsule