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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
MCQ
रिक्त स्थान भरें
उत्तर
All the above
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Oceans
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संबंधित प्रश्न
Which of the following is not correctly matched?
- Gulf Stream - Pacific Ocean
- Labrador current - North Atlantic Ocean
- Canary current - Mediterranean sea
- Mozambique current - Indian Ocean.
Assertion (A): Atolls are more common in the Atlantic ocean.
Reason(R): The marine population at the depth is less.
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 |
Distinguish between Abyssal plains and Ocean deeps.
Explain the types of ocean currents.
The deepest point in the Arctic ocean is ______.
Consider the following statement.
- Sylvia Earle is a famous American oceanographer
2. The continental shelves have extensive deposits of mineral fuels.
3. Submarine fans are located in continental slope.
4. Abyssal plains are otherwise called shallow sea plains.
Write a note on ONGC.
Consider the following statement.
- Submarine Fans which are similar to the alluvial fans found in water.
- Aquatic life has a very slow rate of metabolism.
- Dragon Hole is the deepest known underwater sinkhole in the world.
- Abyssal plains are usually covered by a thick layer of sediments.
When was the National Institute oceanography established? What do they do?
