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Question
Consider the following statements.
- Most of the fishing grounds occur in areas where the continental shelf is wide.
- Fishing is well developed in warm tropical watersMixing of warm and cold currents facilitates plant nutrients for fish.
- Inland fishing became significant in India.
Options
1 and 2 are correct
1 and 3 are correct
2,3 and 4 are correct
1,2 and 3 are correct
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Solution
1 and 3 are correct
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RELATED QUESTIONS
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.
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.
Assertion (A): On the basis of temperature, ocean currents can be classified as warm currents and cold currents.
Reason (R): The movement of ocean current from the low latitudes towards high latitudes cause cold current.
Assertion(A): Salinity is higher in closed ocean basins.
Reason(R): Enclosed ocean basins undergo little mixing with the open ocean.
Explain the term
Isohaline
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.
Give reason for the following.
Most of the Creek area get submerged.
“71% of the earth is covered by water but very little can be used by humans. Why?
The oceans are salty. Why?
