SCSC EXAM 1 QUESTIONS AND ANSWERS PASS GUARANTEED LATEST UPDATE
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Course
SCSC
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SCSC
SCSC EXAM 1 QUESTIONS AND ANSWERS PASS GUARANTEED LATEST UPDATE
Who coined the phrase "Everything is everywhere and the milieu selects" which suggests that environmental factors select for specific microbial communities that are best-adapted to that specific location?
A. Beijerinck
B. Waksman
...
SCSC EXAM 1 QUESTIONS AND
ANSWERS PASS GUARANTEED
LATEST UPDATE
Who coined the phrase "Everything is everywhere and the milieu selects" which
suggests that environmental factors select for specific microbial communities that are
best-adapted to that specific location?
A. Beijerinck
B. Waksman
C. Winogradsky
D. Zuberer - Answer- a
A ________________ is a clear area in a "lawn" of bacteria on a culture medium (e.g.,
agar plates) which results from the lysis of the bacterial cells by a virus.
A. Phage
B. Plaque
C. Sclerotium
D. Virion - Answer- b
Which university has a mascot whose name resembles a group of aquatic algae?
A. Auburn University
B. Louisiana State University
C. University of Alabama
D. University of Texas - Answer- c
Have you completed the mid-term evaluation (online) for SCSC 405? If not, will you do
so prior to the February 17 deadline for submitting the evaluation? (instructions are
available on the class website)
A. Yes
B. No - Answer- a
Who won the Nobel Prize for the discovery of the antibiotic streptomycin? He is the only
soil microbiologist to win the Nobel Prize.
A. Martinus Beijerinck
B. Selman Waksman
C. Sergei Winogradsky
D. Robert Koch - Answer- b
, Approximately how many species of microorganisms exist in a gram of a typical, fertile
surface soil?
A. 4
B. 40
C. 400
D. 4,000 - Answer- d
Which of the following fractions of soil solids have the smallest particle size and are the
most reactive?
A. Sand
B. Silt
C. Clay
D. Gravel - Answer- c
If pore space comprises 60% of the total volume of a soil and half of this pore space is
filled with water, how much of the total volume of the soil will be filled with air?
A. 30%
B. 40%
C. 50%
D. 60% - Answer- a
Which soil property is the most difficult for humans to change (either for better or
worse)?
A. Bulk density
B. Porosity
C. Structure
D. Texture - Answer- d
The heat-stable enzyme, Taq DNA polymerase was isolated from a bacterium
(Thermus aquaticus) found in which site/environment?
A. Acid mine drainage
B. Antarctica
C. Midland, TX
D. Yellowstone National Park - Answer- d
_________________ are cellular appendages which may be involved in conjugation in
some Gram-negative bacteria.
A. Flagella
B. Fimbria
C. Pili
D. Plasmids - Answer- c
_________________ account for ~50% of global primary production?
A. Heterotrophs
B. Phytoplankton
C. SAR 11 bacteria (e.g., Pelagibacter spp.)
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