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प्रश्न
Ocean currents are produced due to ______.
विकल्प
due to rotation of earth
due to variation in temperature
due to earth’s movement
all the above
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उत्तर
All the above
APPEARS IN
संबंधित प्रश्न
Assertion (A): Oceans are always shown in blue in maps.
Reason(R): It indicates the natural colour of the oceans.
Assertion(A): Submarine canyons are deep gorges on the ocean floor.
Reason(R): They are mainly restricted to continental shelf, slope and rise.
Match the following:
| 1. | Mariana trench | Decreases salinity in the oceans |
| 2. | Great Barrier Reef | Along the coast of Japan |
| 3. | Spring tides | Deepest point in the Pacific |
| 4. | Heavy rains | Australia |
| 5. | Kuroshio current | Second order landform |
| 6. | Continental slope | On full and new moon days |
The deepest point in the Arctic ocean is ______.
A very long narrow depression on the ocean floor is called ______.
Assertion (A): The gravitational pull of the sun and moon on earth cause tides on sea water.
Reason (R): Neap tides are caused when the first and last quarter moon appears.
Assertion (A): The mid ocean ridge is probably the most extensive single feature of the earth’s topography.
Reason (R): The Mid – Atlantic Ridge is the largest unbroken oceanic ridge,
Explain the term
Isobath
Extensive deposits of Minerals and Mineral fuels are found in ______.
When was the National Institute oceanography established? What do they do?
