OCE Unit 2 Chapter 7 Questions with Correct Answers (Grade A+)
Question 1: T/F: Surface or wind driven currents move water primarily in a vertical direction in the
ocean
Answer: False
Question 2: T/F: Dynamic topography can be used to determine current direction and velocity
Answer: True
Question 3: An indirect method of measuring ocean current is the use of: fixed propeller-type flow
meters radar altimeters towed current meters floating radio transmitters drift bottles
Answer: radar altimeters
Question 4: T/F: Western boundary currents such as the Gulf STream transport warm water from the
tropics toward higher latitudes
Answer: True
Question 5: surface ocean currents are driven primarily by ________ and modified by ________. wind;
the Coriolis effect and land latitude; differences in salinity and land density differences; the Coriolis
effect and land wind; gravity and density density differences; differences in salinity and temperature
Answer: wind;the coriolis effect
Question 6: Identify the mismatched pair from the choices below. Labrador Current, Humboldt
Current Kuroshio Current, California Current Canary Current, Gulf Stream Brazil Current,
Benguela Current Agulhas Current, West Australia Current
Answer: labrador current; humboldt current
Question 7: Which of the following is a western boundary current Brazil Current California Current
Benguela Current Peru Current Canary Current
Answer: Brazil Current
Question 8: Which of the following is not an eastern boundary current? Gulf Stream Canary Current
W. Australian Current California Current Peru Current
Answer: Gulf Stream
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, Question 9: In the southern hemisphere, the direction of Ekman transport is always: at a 45° angle
from the wind direction. to the left of the wind direction. to the right of the wind direction.
perpendicular to the wind direction. to the east of the wind direction.
Answer: to the left of the wind direction
Question 10: which doesnt fit:
A. Gulf of Alaska
B. Indian
C. North Atlantic
D. South Atlantic
E. South Pacific
Answer: A. Gulf of Alaska
Question 11: which doesnt fit:
A. Agulhas Current
B. Benguela Current
C. California Current
D. Canary Current
E. West Australian Current
Answer: Alguhas current
Question 12: which doesnt fit:
A. California Current
B. Canary Current
C. Gulf Stream
D. North Atlantic Current
E. North Equatorial Current in the Atlantic Ocean
Answer: A. California Current
Question 13: MA: Of the following gyres, which one(s) flow in a counterclockwise direction? North
Atlantic Subtropical Gyre Northern Hemisphere Subpolar Gyres South Atlantic Subtropical Gyre
Indian Ocean Subtropical Gyre North Pacific Subtropical Gyre South Pacific Subtropical Gyre
Answer: Northern hemisphere subpolar gyres, south atlantic subtropical gyre, indian ocean subtropical gyre,
south pacific subtropical gyre
Question 14: MA: Of the following surface currents, which one(s) flow from south to north? North
Pacific Current Peru Current Canary Current Kuroshio Current the Gulf Stream Brazil Current
Answer: Peru current, koroshio current, gulf stream
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Question 1: T/F: Surface or wind driven currents move water primarily in a vertical direction in the
ocean
Answer: False
Question 2: T/F: Dynamic topography can be used to determine current direction and velocity
Answer: True
Question 3: An indirect method of measuring ocean current is the use of: fixed propeller-type flow
meters radar altimeters towed current meters floating radio transmitters drift bottles
Answer: radar altimeters
Question 4: T/F: Western boundary currents such as the Gulf STream transport warm water from the
tropics toward higher latitudes
Answer: True
Question 5: surface ocean currents are driven primarily by ________ and modified by ________. wind;
the Coriolis effect and land latitude; differences in salinity and land density differences; the Coriolis
effect and land wind; gravity and density density differences; differences in salinity and temperature
Answer: wind;the coriolis effect
Question 6: Identify the mismatched pair from the choices below. Labrador Current, Humboldt
Current Kuroshio Current, California Current Canary Current, Gulf Stream Brazil Current,
Benguela Current Agulhas Current, West Australia Current
Answer: labrador current; humboldt current
Question 7: Which of the following is a western boundary current Brazil Current California Current
Benguela Current Peru Current Canary Current
Answer: Brazil Current
Question 8: Which of the following is not an eastern boundary current? Gulf Stream Canary Current
W. Australian Current California Current Peru Current
Answer: Gulf Stream
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, Question 9: In the southern hemisphere, the direction of Ekman transport is always: at a 45° angle
from the wind direction. to the left of the wind direction. to the right of the wind direction.
perpendicular to the wind direction. to the east of the wind direction.
Answer: to the left of the wind direction
Question 10: which doesnt fit:
A. Gulf of Alaska
B. Indian
C. North Atlantic
D. South Atlantic
E. South Pacific
Answer: A. Gulf of Alaska
Question 11: which doesnt fit:
A. Agulhas Current
B. Benguela Current
C. California Current
D. Canary Current
E. West Australian Current
Answer: Alguhas current
Question 12: which doesnt fit:
A. California Current
B. Canary Current
C. Gulf Stream
D. North Atlantic Current
E. North Equatorial Current in the Atlantic Ocean
Answer: A. California Current
Question 13: MA: Of the following gyres, which one(s) flow in a counterclockwise direction? North
Atlantic Subtropical Gyre Northern Hemisphere Subpolar Gyres South Atlantic Subtropical Gyre
Indian Ocean Subtropical Gyre North Pacific Subtropical Gyre South Pacific Subtropical Gyre
Answer: Northern hemisphere subpolar gyres, south atlantic subtropical gyre, indian ocean subtropical gyre,
south pacific subtropical gyre
Question 14: MA: Of the following surface currents, which one(s) flow from south to north? North
Pacific Current Peru Current Canary Current Kuroshio Current the Gulf Stream Brazil Current
Answer: Peru current, koroshio current, gulf stream
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