Oceanography (Oceans, Currents, Tides) NDA Questions

NDA Physical Geography

Oceanography (Oceans, Currents, Tides) MCQ Questions


13.
The Indian Ocean, the third-largest of the world's oceans, is distinctive in that, unlike the Pacific and Atlantic Oceans, it is:
A.
Landlocked on all sides
B.
Located entirely in the Southern Hemisphere
C.
Not symmetrically bounded by landmasses on both the north and south, being closed off by land to the north
D.
The coldest ocean in the world
😑 View Answer Rough Work Error
ANSWER :
C. Not symmetrically bounded by landmasses on both the north and south, being closed off by land to the north
14.
The smallest and shallowest of the world's major oceans, located around the North Pole and largely covered by sea ice, is the:
A.
Arctic Ocean
B.
Southern Ocean
C.
Atlantic Ocean
D.
Indian Ocean
😑 View Answer Rough Work Error
ANSWER :
A. Arctic Ocean
15.
The 'Southern Ocean' (or Antarctic Ocean), increasingly recognised as a distinct ocean by many geographical bodies, surrounds which continent?
A.
South America
B.
Antarctica
C.
Australia
D.
Africa
😑 View Answer Rough Work Error
ANSWER :
B. Antarctica
16.
The horizontal distribution of ocean surface temperature generally shows a pattern of decreasing temperature from the:
A.
Poles towards the equator
B.
Surface towards greater depths only, with no horizontal pattern
C.
Equator towards the poles
D.
West coast towards the east coast uniformly, in all oceans
😑 View Answer Rough Work Error
ANSWER :
C. Equator towards the poles
17.
The vertical distribution of ocean water temperature generally shows temperature:
A.
Decreasing with increasing depth, though not at a constant rate
B.
Fluctuating randomly with no discernible pattern
C.
Increasing uniformly with depth
D.
Remaining exactly constant at all depths
😑 View Answer Rough Work Error
ANSWER :
A. Decreasing with increasing depth, though not at a constant rate
18.
The zone within the ocean where temperature decreases rapidly with depth, marking a transition between the warmer surface layer and the cold deep ocean waters, is known as the:
A.
Pycnocline
B.
Halocline
C.
Thermocline
D.
Photic zone
😑 View Answer Rough Work Error
ANSWER :
C. Thermocline