Practice test

Oceanography - Test Set 1

Review 20 exam-focused questions with detailed explanations, then start the interactive test when you are ready.

20 questions

Questions and explanations

  1. Question 1

    Which of the following zone lies just above the Benthic zone?
    1. Pelagic zone
    2. Demersal zone
    3. Aphotic zone
    4. None of these
    View explanation

    Sign In to See Explanations. Sign Up Here

  2. Question 2

    The average salinity of oceans in the world is:
    1. 105%
    2. 64%
    3. 42%
    4. 35%
    View explanation

    Sign In to See Explanations. Sign Up Here

  3. Question 3

    Which one among the following sequences of water bodies, from lower to higher salinity concentration, is correct?
    1. Gulf of California, Baltic Sea, Red Sea, Arctic Sea
    2. Red Sea, Gulf of California, Arctic Sea, Baltic Sea
    3. Arctic Sea, Gulf of California, Baltic Sea, Red Sea
    4. Baltic Sea, Arctic Sea, Gulf of California, Red Sea
    View explanation

    Sign In to See Explanations. Sign Up Here

  4. Question 4

    Which of the following factors would result in increasing oceanic salinity?
    1. Anticyclonic stable conditions
    2. Higher evaporation
    3. Lower precipitation
    4. All of the above
    View explanation

    Sign In to See Explanations. Sign Up Here

  5. Question 5

    Water with more salinity freezes at:
    1. same temperature as normal temperature
    2. Higher temperature than normal water
    3. lower temperature than normal water
    4. None of the above
    View explanation

    Sign In to See Explanations. Sign Up Here

  6. Question 6

    The increase in salinity of water:
    1. Thermocline
    2. Halocline
    3. Photic Kone
    4. Pycnocline
    View explanation

    Sign In to See Explanations. Sign Up Here

  7. Question 7

    Which of the following statements is true regarding oceanic salinity?
    1. It increases from equator till subtropical latitudes and decreases later.
    2. It decreases from poles to equator
    3. It decreases from equator till subtropical latitudes and increases later
    4. It decreases from equator to poles
    View explanation

    Sign In to See Explanations. Sign Up Here

  8. Question 8

    [NDA/NA 2014-II]
    Which one of the following is a warm ocean current?
    1. Benguela current
    2. Peru current
    3. Labrador current
    4. Kuroshio current
    View explanation

    Sign In to See Explanations. Sign Up Here

  9. Question 9

    [UPRO/ARO (Mains) 2014]
    Which of the following is the second deepest and the longest lake of the world?
    1. Great Bear Lake
    2. Superior Lake
    3. Tanganyika Lake
    4. Baikal Lake
    View explanation

    Sign In to See Explanations. Sign Up Here

  10. Question 10

    [PCS (Pre) 2010]
    The largest part of our hydrosphere is
    1. Antarctica ocean
    2. Pacific ocean
    3. Atlantic ocean
    4. Indian ocean
    View explanation

    Sign In to See Explanations. Sign Up Here

  11. Question 11

    The concept of sea floor spreading was first propounded by:
    1. A. Holmes
    2. Lowthian Green
    3. F.B. Taylor
    4. Harry Hess
    View explanation

    Sign In to See Explanations. Sign Up Here

  12. Question 12

    [UPPCS (Mains) 2010]
    Which one of the following African countries does not border with the Mediterranean Sea?
    1. Tunisia
    2. Morocco
    3. Algeria
    4. Chad
    View explanation

    Sign In to See Explanations. Sign Up Here

  13. Question 13

    [PSC (Pre) 2019]
    Which one of the following is not correctly matched?
    1. World’s second deepest lake - Lake Tanganyika
    2. World’s highest navigable lake - Lake Titicaca
    3. World’s tallest waterfall - Tugela Falls
    4. World’s largest fresh water lake - Lake Superior
    View explanation

    Sign In to See Explanations. Sign Up Here

  14. Question 14

    [RAS/RTS (Pre) 1993]
    The largest fresh water lake in the world is:
    1. Lake Superior
    2. Lake Baikal
    3. Lake Windermear
    4. Lake Loch Ness
    View explanation

    Sign In to See Explanations. Sign Up Here

  15. Question 15

    [UPRO/ARO (Pre) 2016]
    The correct sequence of the following seas from West to East is:
    1. Black Sea, Meditterranean Sea, Aral Sea, Caspian Sea
    2. Mediterranean Sea, Black Sea, Caspian Sea, Aral Sea
    3. Black sea, Mediterranean Sea, Caspian Sea, Aral Sea
    4. Caspian Sea, Mediterranean Sea, Black Sea, Aral Sea
    View explanation

    Sign In to See Explanations. Sign Up Here

  16. Question 16

    [UP UDA/LDA (Pre) 2013]
    The port pair located at both ends of the Suez Canal is:
    1. Port Said and Suez
    2. Cairo and Port Said
    3. Cario and Alexandria
    4. Suez and Cairo
    View explanation

    Sign In to See Explanations. Sign Up Here

  17. Question 17

    [IAS (Pre) 1997]
    The distance from Aceh in the far North-West to Torres Strait in the East is 5000 miles, almost equal to the distance London and Baghadad. The archipelago has 14,000 islands, some mere equatorial rocks, others some of the largest in the world. This description best fits
    1. Indonesia
    2. Philippines
    3. West Indies
    4. Japan
    View explanation

    Sign In to See Explanations. Sign Up Here

  18. Question 18

    [RAS/RTS (Pre) 2012]
    Syr and Amu rivers fall into:
    1. Aral Sea
    2. Baltic Sea
    3. Caspian Sea
    4. Black Sea
    View explanation

    Sign In to See Explanations. Sign Up Here

  19. Question 19

    Sunda Trench lies in:
    1. Antarctic Ocean
    2. Atlantic Ocean
    3. Indian Ocean
    4. Pacific Ocean
    View explanation

    Sign In to See Explanations. Sign Up Here

  20. Question 20

    The colour of Yellow Sea is the result of:
    1. High sulphur content in the bottom rocks.
    2. Silt brought by Hwang-HE river.
    3. Industrial pollution.
    4. Peculiar types of phytoplankton growing there.
    View explanation

    Sign In to See Explanations. Sign Up Here