Advertisements
Advertisements
Question
Distinguish between Abyssal plains and Ocean deeps.
Advertisements
Solution
| S.No. | Abyssal plain | Ocean deeps |
| (i) | Abyssal plains are under water plains found on the deep ocean floor. | These are the deepest part of the oceans. |
| (ii) | These plains extend from continental rise to the mid-oceanic ridges. | Trenches are the deepest part of the oceans. They occupy about 7% of the total relief of the ocean floor. |
| (iii) | Abyssal plains are usually covered by the thick layer of sediments composed of clay, silt, and sand. | These are sediment free. So most trenches are V-shaped with steep sides. |
| (iv) | Abyssal hills, sea mounts, guyots, coral atoll, etc., are the characteristic features. | epicenter of the great earthquakes is all found in the trenches. |
APPEARS IN
RELATED QUESTIONS
The temperature of the ocean waters generally_______ at greater depth.
Which of the following indicates the correct sequence of the topography beneath the surface of the sea?
Assertion(A): Submarine canyons are deep gorges on the ocean floor.
Reason(R): They are mainly restricted to continental shelf, slope and rise.
Write a note on continental shelf and continental slope.
Assertion (A): The energy of the falling wave water is used to turn hydro turbines to generate power.
Reason (R): Gulf of Khambat is one of the potential Tidal energy Zones.
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.
Which of the following correctly matched?
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.
How is the energy of the falling wave water used?
Why is the salinity at the equator less even though it experiences high temperature?
