Movements Of Ocean

11 Questions
  1. 1
    At one of the places in India, if you stand on the seashore and watch the sea, you will find that the sea water recedes from the shore line a few kilometres and comes back to the shore, twice a day, and you can actually walk on the sea floor when the water recedes. This unique phenomenon is seen at
    UPSC CSE I - 2017
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    Answer: C. Chandipur

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  2. 2
    What explains the eastward flow of the equatorial counter-current?
    UPSC CSE I - 2015
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    Answer: B. Convergence of the two equatorial currents

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  3. 3
    Tides occur in the oceans and seas due to which among the following?
    1. Gravitational force of the Sun
    2. Gravitational force of the Moon
    3. Centrifugal force of the Earth
    Select the correct answer using the code given below.
    UPSC CSE I - 2015
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    Answer: D. 1, 2 and 3

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  4. 4
    The most important fishing grounds of the world are found in the regions where
    UPSC CSE I - 2013
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    Answer: C. warm and cold oceanic currents meet

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  5. 5
    Consider the following factors:
    1. Rotation of the Earth
    2. Air pressure and wind
    3. Density of ocean water
    4. Revolution of the Earth
    Which of the above factors influence the ocean currents?
    UPSC CSE I - 2012
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    Answer: B. 1, 2 and 3

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  6. 6

    Which one of the following statements is not correct?

    UPSC CSE I - 2004
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    Answer: A. Gulf with narrow fronts and wider rears experience high tides.

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  7. 7

    Consider the following statements:

    1. Ocean currents are slow surface movements of water in the ocean.
    2. Ocean currents assist in maintaining the Earth's heat balance.
    3. Ocean currents are set in motion primarily by prevailing winds.
    4. Ocean currents are affected by the configuration of the ocean.

    Which of these statements are correct?

    UPSC CSE I - 2002
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    Answer: B. 2, 3 and 4

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  8. 8

    Consider the following statements:

    1. Tides are of great help in navigation and fishing.
    2. High tide enables big ships to enter or leave the harbour safely.
    3. Tide prevents siltation in the harbours.
    4. Kandla and Diamond Harbour are tidal ports.

    Which of these statements are correct?

    UPSC CSE I - 2000
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    Answer: D. I, II, III and IV

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  9. 9
    A diagram of the phases of the moon

    At which one of the following positions shown in the diagram will the height of the ocean tide be maximum?

    UPSC CSE I - 1999
  10. 10
    A map with arrows pointing to africa

    In the given map, which one of the following pairs of ocean currents are shown?

    UPSC CSE I - 1999
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    Answer: D. Benguela & Guinea

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  11. 11

    Which one of the following factors is responsible for the change in the regular direction of the ocean currents in the Indian Ocean?

    UPSC CSE I - 1997
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    Answer: B. Indian Ocean has monsoon drift

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