How Much Do You Know About Oceanography?

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Hyperfairydust
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  • 1/10 Questions

    Scientists that study the ocean are called this.

    • Scientists of the oceans
    • Ocean Scientists
    • Oceanographers 
    • Weather Scientist
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About This Quiz

Oceanography is the studying and exploring the ocean as well as understanding and unravelling the mysteries by analysing biology, chemistry, geology, and physics to understand the processes within it. This quiz will test your knowledge on the basics of oceanography. So, let's try out the quiz. All the best!

How Much Do You Know About Oceanography? - Quiz

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  • 2. 

    Oceanographers study hydrothermal vents. What are these?

    • Underwater volcanoes

    •  rare fish

    • Seaweed holes

    • Tsunmai

    Correct Answer
    A. Underwater volcanoes
    Explanation
    Hydrothermal vents are underwater volcanoes. These are openings in the Earth's crust where hot water and minerals are released into the surrounding ocean. They are often found near tectonic plate boundaries and are associated with volcanic activity. Oceanographers study these vents to understand their geological and biological significance, as they support unique ecosystems and contribute to the chemical composition of the oceans.

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  • 3. 

    If you study chemical elements in seawater, you're practising which branch of oceanography?

    • Biological Oceanography

    • Physical Oceanography

    • Chemical Oceanography 

    • None

    Correct Answer
    A. Chemical Oceanography 
    Explanation
    The oceans perpetually cycle chemicals of all kinds through their currents

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  • 4. 

    What topic does physical oceanography research?

    • Properties of sea water

    • The shallow areas where land meets water 

    • The traits of underwater soils 

    Correct Answer
    A. Properties of sea water
    Explanation
    The chemistry of sea water changes constantly depending on weather conditions and many other factors.

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  • 5. 

    The substances in seawater, which most affect the colour reflected are:

    • Phytoplankton

    •  zooplankton

    •  salt

    • Trace metals

    Correct Answer
    A. Phytoplankton
    Explanation
    Phytoplankton are microscopic marine plants that contain pigments, such as chlorophyll, which give them their green color. These pigments can absorb and scatter light, affecting the color of seawater. When there is a high concentration of phytoplankton in the water, the color reflected can appear greenish. Therefore, the presence of phytoplankton is the most influential factor in determining the color of seawater.

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  • 6. 

    Modern oceanography is typically attributed to the Challenger Expedition, which began when?

    • 1872

    • 1888

    • 1891

    • 1856

    Correct Answer
    A. 1872
    Explanation
    The British expedition took rock samples, recorded water temperatures and performed many other important observations.

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  • 7. 

    How did the first researchers determine ocean depths?

    • They refracted light into the depths

    • Rope and Lead Weights

    • They attached rope to a large fish and released it 

    • None

    Correct Answer
    A. Rope and Lead Weights
    Explanation
    It was called sounding, and it was primitive but effective.

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  • 8. 

    What percentage of the world's volcanic activity occurs within the oceans?

    • 90%

    • 70%

    • 50%

    • 80%

    Correct Answer
    A. 90%
    Explanation
    Those volcanic eruptions have a large impact on the surrounding ecosystems.

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  • 9. 

    What is the approximate temperature of the deep ocean?

    • 39 degrees Fahrenheit

    • 42 degrees Fahrenheit 

    • 45 degrees Fahrenheit 

    • 38 degrees Fahrenheit 

    Correct Answer
    A. 39 degrees Fahrenheit
    Explanation
    The deep ocean is a dark and frigid place.

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  • 10. 

    How long is the Midocean Ridge

    • 10,000 miles

    • 50,000 miles

    • 100,000 miles

    • 2 miles

    • 900 miles

    Correct Answer
    A. 50,000 miles
    Explanation
    The Midocean Ridge is a continuous underwater mountain range that stretches across the Earth's oceans. It is the longest mountain range on Earth, extending for approximately 50,000 miles. This ridge is formed by tectonic plate movements and volcanic activity, and it plays a crucial role in the process of seafloor spreading. The length of 50,000 miles indicates the vastness and significance of this geological feature in shaping the Earth's crust.

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  • Current Version
  • Jun 27, 2024
    Quiz Edited by
    ProProfs Editorial Team
  • Oct 25, 2007
    Quiz Created by
    Hyperfairydust
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