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Oceans Quiz

Oceans Quiz

11 questions · Unlimited attempts · Free online practice

Earth's oceans cover approximately 71 percent of the planet's surface and are divided into five major bodies: the Pacific, Atlantic, Indian, Southern, and Arctic Oceans. The Pacifi...

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All 11 questions in this Oceans quiz
  1. The 'Strait of Malacca' is a major shipping lane between which two oceans?

    • A. Atlantic/Indian
    • B. Indian/Pacific
    • C. Arctic/Pacific
    • D. Pacific/Atlantic
  2. What epeercentage of the world's fish sepeecies live in the ocean compared to fresh water?

    • A. 0.45
    • B. 0.75
    • C. 0.65
    • D. 0.58
  3. Which country controls the most territorial ocean waters in the world measured by Exclusive Economic Zone?

    • A. France
    • B. USA
    • C. Russia
    • D. Australia
  4. What is the name of the undersea current flowing from the Mediterranean Sea into the Atlantic Ocean?

    • A. Mediterranean Outflow
    • B. Thermohaline Overflow
    • C. Deep Atlantic Current
    • D. Mediterranean Undercurrent
  5. Which ocean is smallest?

    • A. Indian
    • B. Atlantic
    • C. Arctic
    • D. Pacific
  6. What is the name of the Antarctic ocean current that creates the richest waters in the Southern Ocean?

    • A. Divergence Zone
    • B. Circumpolar Deep Water
    • C. Polar Jet Current
    • D. Antarctic Divergence
  7. What is the name of the ocean circulation feature that brings cold deep Pacific water to the surface in the equatorial region?

    • A. Equatorial Undercurrent
    • B. Pacific Upwelling
    • C. Walker Circulation
    • D. El Nio Current
  8. What is the approximate total volume of the world's oceans in cubic kilometres?

    • A. 1,335 million km
    • B. 335 million km
    • C. 735 million km
    • D. 533 million km
  9. What epeercentage of all marine sepeecies have yet to be scientifically described according to current estimates?

    • A. 0.5
    • B. 0.7
    • C. 0.33
    • D. 0.9
  10. What is the name of the large-scale ocean current in the Pacific that shifts direction seasonally with the Asian monsoon?

    • A. North Pacific Current
    • B. North Equatorial Current
    • C. Pacific Monsoon Gyre
    • D. Kuroshio Current
  11. Which ocean is the saltiest?

    • A. Indian
    • B. Atlantic
    • C. Arctic
    • D. Pacific