Test Your Knowledge On World Seagrass Day!

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Test Your Knowledge On World Seagrass Day! - Quiz

Take this informative quiz to test your knowledge on World Seagrass Day! It is celebrated annually on March 1 (declared by the United Nations General Assembly) to raise awareness about seagrass and March becomes Seagrass Awareness Month. Seagrasses are marine flowering plants that play an essential role in maintaining the marine ecosystem. They evolved around 100 million years ago. However, these resources are in danger. Check out this quiz and learn more about seagrasses.


Questions and Answers
  • 1. 

    Seagrass meadows exist in around 159 countries.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Seagrass meadows are found in a wide range of coastal areas around the world. They are known to exist in approximately 159 countries, indicating their global distribution and significance. The presence of seagrass meadows in such a large number of countries highlights their ecological importance and the role they play in supporting marine biodiversity and coastal ecosystems.

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  • 2. 

    What percentage of the global seagrass area has been lost since the late nineteenth century according to the United Nations report?

    • A.

      Almost 20%

    • B.

      Almost 30%

    • C.

      Almost 40%

    • D.

      Almost 50%

    Correct Answer
    B. Almost 30%
    Explanation
    According to the United Nations report, almost 30% of the global seagrass area has been lost since the late nineteenth century. This indicates a significant decline in seagrass coverage over the years, highlighting the detrimental impact of various factors such as pollution, coastal development, and climate change on this important marine ecosystem.

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  • 3. 

    In which continent are seagrasses not found?

    • A.

      Antarctica

    • B.

      Asia

    • C.

      Africa

    • D.

      Australia

    Correct Answer
    A. Antarctica
    Explanation
    Seagrasses are not found in Antarctica because the continent has extremely cold waters and is covered with ice for most of the year. Seagrasses require warm and shallow waters to grow, which are not present in Antarctica. Additionally, the harsh climate and lack of sunlight in Antarctica would make it difficult for seagrasses to survive. Therefore, seagrasses are not found in Antarctica, but they can be found in other continents such as Asia, Africa, and Australia.

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  • 4. 

    How many species of fully marine seagrasses are there?

    • A.

      About 45

    • B.

      About 50

    • C.

      About 56

    • D.

      About 60

    Correct Answer
    D. About 60
    Explanation
    There are approximately 60 species of fully marine seagrasses.

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  • 5. 

    Seagrasses have evolved from terrestrial plants.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Seagrasses have evolved from terrestrial plants because they share many similarities with land plants, such as having roots, stems, and leaves. However, they have adapted to live in marine environments, developing unique characteristics that allow them to thrive underwater. These adaptations include the ability to tolerate high salinity levels, absorb nutrients from the water, and reproduce through underwater pollination. The evolutionary transition from land to sea allowed seagrasses to colonize coastal areas and play a crucial role in marine ecosystems by providing habitat, oxygen production, and carbon sequestration.

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  • 6. 

    Seagrasses store up to _____ of the world’s oceanic carbon according to the United Nations report.

    • A.

      16%

    • B.

      18%

    • C.

      20%

    • D.

      40%

    Correct Answer
    B. 18%
    Explanation
    According to the United Nations report, seagrasses store up to 18% of the world's oceanic carbon. This means that seagrasses play a significant role in carbon sequestration, helping to mitigate climate change by absorbing and storing carbon dioxide from the atmosphere. Seagrasses are highly efficient at capturing and storing carbon, making them an important natural solution for reducing greenhouse gas emissions and preserving marine ecosystems.

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  • 7. 

    What percent of the ocean floor is covered by seagrass as per the reports of the United Nations?

    • A.

      0.1%

    • B.

      0.2%

    • C.

      0.3%

    • D.

      0.4%

    Correct Answer
    A. 0.1%
    Explanation
    According to the reports of the United Nations, only 0.1% of the ocean floor is covered by seagrass. This suggests that seagrass is a relatively small component of the ocean ecosystem, occupying a very small percentage of the total ocean floor area.

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  • 8. 

    What is the importance of seagrass?

    • A.

      Seagrass provides food and shelter to thousands of marine life, including fish, seahorses, turtles, etc.

    • B.

      They improve water quality by filtering, cycling, and storing nutrients and pollutants.

    • C.

      They contribute to the resilience of the most vulnerable ecosystems and species.

    • D.

      All of the above

    Correct Answer
    D. All of the above
    Explanation
    Seagrass is important because it provides food and shelter to marine life, including fish, seahorses, and turtles. Additionally, seagrass plays a crucial role in improving water quality by filtering, cycling, and storing nutrients and pollutants. Moreover, seagrass contributes to the resilience of vulnerable ecosystems and species. Therefore, all of the given statements are correct and highlight the importance of seagrass.

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  • 9. 

    When did The United Nations initiate World Seagrass Day?

    • A.

      27 May 2010

    • B.

      27 May 2020

    • C.

      27 May 2021

    • D.

      27 May 2022

    Correct Answer
    D. 27 May 2022
    Explanation
    The United Nations initiated World Seagrass Day on 27 May 2022.

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  • 10. 

    Where is the largest seagrass plant in the world found?

    • A.

      Australia

    • B.

      Asia

    • C.

      North America

    • D.

      South America

    Correct Answer
    A. Australia
    Explanation
    The largest seagrass plant in the world is found in Australia. This is because Australia has vast coastal areas with suitable conditions for seagrass growth, such as warm waters, moderate wave action, and nutrient-rich sediments. Additionally, Australia's Great Barrier Reef, which is the largest coral reef system in the world, provides a diverse and interconnected habitat for seagrass meadows. These factors contribute to the presence of the largest seagrass plant in Australia.

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Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Nov 16, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Feb 26, 2023
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    Nia Nicholson
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