Tag: ocean water movement

Questions Related to ocean water movement

The process by which water continually changes its form and circulates between oceans, atmosphere and land.

geography structure of ocean floor relief of the ocean ocean water movement ocean circulation

  1. Water cycle

  2. Tides

  3. Ocean currents.

  4. None of these

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Correct Option: A
Explanation:

The process by which water continually changes its form and circulates between oceans, atmosphere and the land is called the water cycle.

The water cycle, also called the hydrological cycle, involves the continuous circulation of water in the Earth-atmosphere system. Of the many processes involved in the water cycle, the most important are evaporation, transpiration, condensation, precipitation, and runoff.

The rhythmic rise and fall of ocean water twice in a day is called  __________.

geography structure of ocean floor relief of the ocean ocean water movement ocean circulation

  1. Tide

  2. Ocean current

  3. Wave

  4. None of these

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Correct Option: A
Explanation:

The rhythmic rise and fall of the ocean twice in a day is called a tide. Tides are caused by the strong gravitational pull exerted by the sun and the moon on the earth's surface.


Generally the warm ocean currents originate near __________.

geography structure of ocean floor relief of the ocean ocean water movement ocean circulation

  1. Poles

  2. Equator

  3. None of these

  4. Both  A and B

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Correct Option: B
Explanation:

The warm ocean currents originate near the equator and move towards the poles. The cold currents carry water from polar or higher latitudes to tropical or lower latitudes.
Warm ocean currents flow away from the equatorial region on the western side of ocean basins. The Gulf Stream in the North Atlantic and the Kuroshio Current in the North Pacific are examples of warm currents.

The deepest point of the oceans is ____________ in the Pacific Ocean near Philippine Islands.

geography structure of ocean floor relief of the ocean ocean water movement ocean circulation

  1. Tonga trench

  2. Kurile trench

  3. Challenger deep

  4. none of the above

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Correct Option: C

The Continental shelf is useful for ________.

geography structure of ocean floor relief of the ocean ocean water movement ocean circulation

  1. fishing

  2. production of electricity

  3. mining

  4. tourism

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Correct Option: C

Even though 70% of the earth's surface is covered by water, the water available for human use through rivers, lakes and tanks is only _______.

geography structure of ocean floor relief of the ocean ocean water movement ocean circulation

  1. 3%

  2. 30%

  3. 2.3%

  4. 0.03%

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Correct Option: D

The most saline water in the world is that of ___________.

geography structure of ocean floor relief of the ocean ocean water movement ocean circulation

  1. Red sea

  2. Dead sea


  3. Caspian sea

  4. Mediterranean sea

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Correct Option: B

Abundant food for fish is available near ___________.

geography structure of ocean floor relief of the ocean ocean water movement ocean circulation

  1. Continental shelf

  2. Continental slope

  3. Trenches

  4. None of these

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Correct Option: A

Echo-sounding is a ____________.

geography structure of ocean floor relief of the ocean ocean water movement ocean circulation

  1. Game

  2. Method of measuring the height

  3. Method of measuring the depth of the sea

  4. Branch of study in Botany

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Correct Option: C

Land and Sea breezes are basically caused by ______________.

geography structure of ocean floor relief of the ocean ocean water movement ocean circulation

  1. Temperature variations in summer and winter

  2. Differential heating between land and sea

  3. Convergence of warm and cold currents

  4. None of these

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Correct Option: B
Explanation:

Land and Sea breezes are basically caused by differential heating between land and sea.

During the day, the wind will blow from the higher pressure over the water to lower pressure over the land causing the sea breeze. The sea breeze strength will vary depending on the temperature difference between the land and the ocean. At night, the roles reverse. The air over the ocean is now warmer than the air over the land. So the pressure over water is low and high on land. So we have a land breeze blowing from land to sea.