Oceanography CDS Questions

CDS World Geography

Oceanography MCQ Questions


13.
The warm Agulhas Current flows along the eastern coast of which continent?
A.
South America
B.
Africa
C.
North America
D.
Australia
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ANSWER :
B. Africa
14.
Which ocean is unique in having currents that reverse direction seasonally?
A.
The Arctic Ocean
B.
The northern Indian Ocean
C.
The South Pacific Ocean
D.
The North Atlantic Ocean
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ANSWER :
B. The northern Indian Ocean
15.
Surface ocean currents are primarily driven by:
A.
The gravitational pull of the Moon
B.
Submarine earthquakes
C.
Prevailing planetary winds
D.
Differences in ocean salinity alone
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ANSWER :
C. Prevailing planetary winds
16.
Deep-ocean circulation driven by differences in temperature and salinity (density) is called:
A.
Tidal circulation
B.
Geostrophic balance
C.
Wind-driven circulation
D.
Thermohaline circulation
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ANSWER :
D. Thermohaline circulation
17.
Among drifts, currents and streams, which moves the fastest, like a river within the ocean?
A.
All move at the same speed
B.
Streams
C.
Currents
D.
Drifts
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ANSWER :
B. Streams
18.
Warm ocean currents generally flow along which coasts of continents in low and middle latitudes?
A.
Eastern coasts
B.
Polar coasts only
C.
Western coasts only
D.
They avoid all coasts
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ANSWER :
A. Eastern coasts