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प्रश्न
Mention the various relief features of ocean floor.
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उत्तर
The ocean basins are characterized by the following major relief features:
- Continental shelf
- Continental slope
- Continental rise
- Deep sea plain or Abyssal plain
- Oceanic deep
- Oceanic ridge.
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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): Submarine canyons are deep gorges on the ocean floor.
Reason(R): They are mainly restricted to continental shelf, slope and rise.
A very long narrow depression on the ocean floor is called ______.
Write a note on ONGC.
Abyssal plains in the Atlantic and Indian Oceans tend to be extensive than the Pacific Ocean. Why?
Explain the term
Oceanic Ridge
Assertion (A): Continental slope is free from deposits as they are steep.
Reason (R): Abyssal plains appear as a uniform flat and featureless plain.
Assertion (A): Continental shelf is almost a uniform zone of sea bed with gentle gradient.
Reason (R): This enables sunlight to penetrate through the water.
Assertion (A): Ocean currents are in clockwise motion in the Northern Hemisphere and in the anti-clockwise motion in the Southern hemisphere.
Reason (R): The movement of ocean currents from high latitudes to low latitudes is called warm currents.
Give reason for the following.
Most of the Creek area get submerged.
