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Question
Mention the various relief features of ocean floor.
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Solution
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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RELATED QUESTIONS
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.
Which of the following indicates the correct sequence of the topography beneath the surface of the sea?
Assertion (A): Atolls are more common in the Atlantic ocean.
Reason(R): The marine population at the depth is less.
The northern hemisphere and the southern hemisphere are called land and water hemispheres respectively.
Distinguish between Spring tide and Neap tide.
Explain the types of ocean currents.
Assertion (A): The Ocean water is dynamic
Reason (R): Waves and currents are in horizontal motion while tides have vertical motion.
Assertion(A): Salinity is higher in closed ocean basins.
Reason(R): Enclosed ocean basins undergo little mixing with the open ocean.
Explain the term
Continental Rise
Assertion (A): The ocean/seawater does not contains calcium in great quantities.
Reason (R): Many of the aquatic animals with shells use the dissolved calcium in the seawater to build their protective shells.
