Procedures for Scientific Dives
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Property
Setting
Passing score
80%
Display Point Value
Yes
Randomize Questions
Yes
Total Number of Questions
18
Total Number of Questions to Ask
All
Display User Score
Yes
Display Passing Score
Yes
Display Pass/Fail Messages
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Questions
Multiple Response, 10 points, 1 attempt(s) permitted.
1. Which of these tools are good for distance measurement in direct surveys? (select all that apply)
Correct
Choice
X
Ropes
X
Lines
X
Steel Tape
X
Vinyl measuring tape
Feedback when correct: Correct
Feedback when incorrect: Incorrect
Multiple Choice, 10 points, 1 attempt(s) permitted.
2. Which type of camera lens can permit detailed photography covering large areas from short
distances?
Correct
X
Choice
Feedback
Wide-angle
Correct
Short-angle
Incorrect; a wide-angle lens can permit
detailed photography covering large areas
from short distances
Normal-angle
Incorrect; a wide-angle lens can permit
detailed photography covering large areas
from short distances
Telephoto
Incorrect; a wide-angle lens can permit
detailed photography covering large areas
from short distances
Multiple Choice, 10 points, 1 attempt(s) permitted.
3. This method of underwater survey is the acoustic equivalent of direct trilateration.
Correct
X
Choice
Feedback
Phase Measurement
Incorrect; Acoustic Grid is the acoustic
underwater survey method equivalent of direct
trilateration
Acoustic Grid
Correct
Acoustic Triangulation
Incorrect; Acoustic Grid is the acoustic
underwater survey method equivalent of direct
trilateration
Phase Triangulation
Incorrect; Acoustic Grid is the acoustic
underwater survey method equivalent of direct
trilateration
Multiple Choice, 10 points, 1 attempt(s) permitted.
4. What is the simplest method for recording data under water?
Correct
Choice
Feedback
Using a graphite pencil
Incorrect; the simplest method for recording
data under water is using a combination of a
graphite pencil and a white-double sided
plastic slate
Using a white-double sided plastic slate
Incorrect; the simplest method for recording
data under water is using a combination of a
graphite pencil and a white-double sided
plastic slate
X
Using a lead pencil
Incorrect; the simplest method for recording
data under water is using a combination of a
graphite pencil and a white-double sided
plastic slate
Using a combination of a graphite pencil and a
white-double sided plastic slate
Correct
Multiple Choice, 10 points, 1 attempt(s) permitted.
5. The critical factor in a voice-recording system for data gathering is _____.
Correct
X
Choice
Feedback
the diver's ability to enunciate clearly
Correct
the position of the diver's bone phone
Incorrect; The critical factor in a voicerecording system for data gathering is the
diver's ability to enunciate clearly.
the diver's ability to answer questions correctly
Incorrect; The critical factor in a voicerecording system for data gathering is the
diver's ability to enunciate clearly.
assuring the diver's microphone is located as
close to the mouth as possible
Incorrect; The critical factor in a voicerecording system for data gathering is the
diver's ability to enunciate clearly.
Multiple Response, 10 points, 2 attempt(s) permitted.
6. Select the true statements related to baseline biological studies: (select all that apply)
Correct
Choice
X
Baseline studies must be designed so that they can be monitored at prescribed intervals
X
Control stations placed outside of the study area are necessary to provide data on changes
occurring naturally
Seasonal effects have little impact on baseline studies
Baseline studies provide the most meaningful data when the study is made after an
environmental impact has occurred
Feedback when correct: Correct
Feedback when incorrect: Incorrect
Multiple Choice, 10 points, 1 attempt(s) permitted.
7. What is the preferred device the diver use to capture larger, less motile zooplankton?
Correct
X
Choice
Feedback
Slurp gun
Incorrect; the preferred device the diver use to
capture larger, less motile zooplankton are
plastic or glass containers
Nets
Incorrect; the preferred device the diver use to
capture larger, less motile zooplankton are
plastic or glass containers
Senckenberg boxes
Incorrect; the preferred device the diver use to
capture larger, less motile zooplankton are
plastic or glass containers
Plastic or glass containers
Correct
Multiple Choice, 10 points, 1 attempt(s) permitted.
8. Can organism density and distribution of planktonic aggregations be determined
photographically without disturbing the aggregation?
Correct
X
Choice
Feedback
Yes
Correct
No
Incorrect; for many kinds of organisms, density
and distribution of planktonic aggregations can
be determined photographically without
disturbing the aggregation
True/False, 10 points, 1 attempt(s) permitted.
9. Direct in situ observation of lobsters is the most effective way to study lobster ecology and
behavior.
Correct
X
Choice
True
False
Feedback when correct: Correct
Feedback when incorrect: Incorrect
Multiple Response, 10 points, 2 attempt(s) permitted.
10. . Which of these are basic tools that geologists should carry? (select all that apply)
Correct
Choice
X
Compass
X
Depth gauge
X
Ruler
X
Noteboard
X
Collecting bag
Feedback when correct: Correct
Feedback when incorrect: Incorrect
Multiple Choice, 10 points, 1 attempt(s) permitted.
11. Which of these mapping methods can be used in clear water or on land, both for position
triangulation and for taking elevations?
Correct
X
Choice
Feedback
Peterson’s Wheel-Meter Tape Method
Incorrect; the Plane Table Triangulation
Method can be used in clear water or on land,
both for position triangulation and for taking
elevations
Meter Tape Triangulation Method
Incorrect; the Plane Table Triangulation
Method can be used in clear water or on land,
both for position triangulation and for taking
elevations
Plane Table Triangulation Method
Correct
Dumas Measuring Frame Method
Incorrect; the Plane Table Triangulation
Method can be used in clear water or on land,
both for position triangulation and for taking
elevations
Multiple Choice, 10 points, 1 attempt(s) permitted.
12. Underwater surficial mapping requires _____ of the materials and features that compose the
seafloor.
Correct
X
Choice
Feedback
identification
Incorrect; Underwater surficial mapping
requires identification and delineation of the
materials and features that compose the
seafloor.
delineation
Incorrect; Underwater surficial mapping
requires identification and delineation of the
materials and features that compose the
seafloor.
identification and delineation
Correct
classification and destruction
Incorrect; Underwater surficial mapping
requires identification and delineation of the
materials and features that compose the
seafloor.
True/False, 10 points, 1 attempt(s) permitted.
13. Due to the large-scale patterns and processes, and the time scales for making in situ
measurements involved in many physical oceanography studies, the most important jobs
performed by divers in oceanographic surveys are the deployment, inspection, maintenance, and
recovery of oceanographic instruments and instrument arrays.
Correct
X
Choice
True
False
Feedback when correct: Correct
Feedback when incorrect: Incorrect
Multiple Choice, 10 points, 1 attempt(s) permitted.
14. The most important aspect of the relocation process for underwater instruments and
instrument arrays occurs during the _____ phase.
Correct
X
Choice
Feedback
inspection
Incorrect; The most important aspect of the
relocation process for underwater instruments
and instrument arrays occurs during the
deployment phase when scientists should take
the proper steps to precisely pinpoint the
location of the instruments being deployed.
deployment
Correct
cleaning
Incorrect; The most important aspect of the
relocation process for underwater instruments
and instrument arrays occurs during the
deployment phase when scientists should take
the proper steps to precisely pinpoint the
location of the instruments being deployed.
recovery
Incorrect; The most important aspect of the
relocation process for underwater instruments
and instrument arrays occurs during the
deployment phase when scientists should take
the proper steps to precisely pinpoint the
location of the instruments being deployed.
True/False, 10 points, 1 attempt(s) permitted.
15. Bulk water samples can be obtained by divers swirling large plastic bags through the water
until filled, then sealing the bags and carrying them to the surface.
Correct
X
Choice
True
False
Feedback when correct: Correct
Feedback when incorrect: Incorrect
Multiple Response, 10 points, 2 attempt(s) permitted.
16. Which of the listed techniques can be used for animal capture? (select all that apply)
Correct
Choice
X
Nets
X
Trawls
X
Seines
X
Grabs
X
Dredges
Fishrakes
High-frequency Sonic Profiler
Hand-held Magnetometer
X
Slurp Gun
X
Hook and Line
Feedback when correct: Correct
Feedback when incorrect: Incorrect
Multiple Choice, 10 points, 1 attempt(s) permitted.
17. In Archaeological Mapping; _____ take measurements at right angles to a baseline and _____
are generally taken from a level baseline using a plumb bob.
Correct
X
Choice
Feedback
vertical offsets / horizontal offsets
Incorrect; In Archaeological Mapping
horizontal offsets take measurements at right
angles to a baseline and horizontal offsets are
generally taken from a level baseline using a
plumb bob.
horizontal offsets / horizontal offsets
Correct
circular quadrats / point contact quadrats
Incorrect; In Archaeological Mapping
horizontal offsets take measurements at right
angles to a baseline and horizontal offsets are
generally taken from a level baseline using a
plumb bob.
point contact quadrats / horizontal offsets
Incorrect; In Archaeological Mapping
horizontal offsets take measurements at right
angles to a baseline and horizontal offsets are
generally taken from a level baseline using a
plumb bob.
Multiple Choice, 10 points, 1 attempt(s) permitted.
18. Which archaeological mapping method is the most accurate over the greatest length/distance?
Correct
X
Choice
Feedback
Trilateration
Correct
Horizontal Offsets
Incorrect: trilateration is the most accurate
over the greatest distance.