Earth Day Quiz: Test Your Knowledge Of Planet Earth

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Quizzes Created: 5 | Total Attempts: 47,525
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  • 1/15 Questions
    Which is the fastest land animal? - ProProfs

    Which is the fastest land animal?

    • The ostrich
    • The giraffe
    • The cheetah
    • The Kangaroo
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About This Quiz

What do you know about Earth Day? Test your knowledge of planet earth with the quiz given below. In honor of earth day, which is celebrated on April 22 every year, we will check how well you know about your planet earth. The earth is a unique planet, as it can support life growth compared to the other planets in the same solar system. Take the online trivia quiz and see how many answers you get correct and grab your certificate.

Earth Day Quiz: Test Your Knowledge Of Planet Earth - Quiz

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  • 2. 
    Where is the Earth located in the Solar System? - ProProfs

    Where is the Earth located in the Solar System?

    • It's the second planet from the Sun.

    • It's the third planet from the Sun.

    • It's the fourth planet from the Sun.

    • It is the fifth planet from the Sun.

    Correct Answer
    A. It's the third planet from the Sun.
    Explanation
    The order of the planets from the Sun: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, and Pluto (which is no longer considered to be a planet).

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  • 3. 
    Which is the largest ocean on our planet? - ProProfs

    Which is the largest ocean on our planet?

    • The Pacific Ocean

    • The Atlantic Ocean

    • The Indian Ocean

    • The Arctic Ocean

    Correct Answer
    A. The Pacific Ocean
    Explanation
    It covers more than 32% of the globe, which is more than the total surface of land combined.

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  • 4. 
    What percentage of the Earth's surface is covered in water? - ProProfs

    What percentage of the Earth's surface is covered in water?

    • 50

    • 60

    • 70

    • 75

    Correct Answer
    A. 70
    Explanation
    Approximately 70% of the Earth's surface is covered in water. This includes the oceans, seas, lakes, rivers, and other bodies of water. This high percentage of water coverage is what gives our planet its blue appearance from space. It is important to note that while water covers a significant portion of the Earth, only a small percentage of it is freshwater that is suitable for drinking and sustaining life.

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  • 5. 
    What is the percentage of oxygen in the Earth's atmosphere? - ProProfs

    What is the percentage of oxygen in the Earth's atmosphere?

    • 18

    • 21

    • 31

    • 40

    Correct Answer
    A. 21
    Explanation
    Dry air contains roughly 78% nitrogen, 21% oxygen, 0.93% argon, 0.038% carbon dioxide, and small amounts of other gases.

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  • 6. 
    Which is the largest island? - ProProfs

    Which is the largest island?

    • Madagascar

    • New Guinea

    • Greenland

    • Tubuai

    Correct Answer
    A. Greenland
    Explanation
    The total area of Greenland is 2,166,086 km2 (836,109 sq miles).

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  • 7. 
    Which extinct bird lived on Mauritius? - ProProfs

    Which extinct bird lived on Mauritius?

    • The phoenix

    • The emu

    • The dodo

    • Oahu Akialoa

    Correct Answer
    A. The dodo
    Explanation
    You can read more about the dodo, which became extinct in the 17th century.

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  • 8. 
    What do you call the variation of life forms within an ecosystem?   - ProProfs

    What do you call the variation of life forms within an ecosystem?  

    • Evolution

    • Biology

    • Biodiversity

    • Heredity

    Correct Answer
    A. Biodiversity
    Explanation
    Biodiversity is the different variety of life forms within a given ecosystem, biome, or on the entire Earth.

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  • 9. 
    How old is the Earth? - ProProfs

    How old is the Earth?

    • 5 million years old

    • 10 billion years old

    • 4.5 billion years old

    • 5.5 billion years old

    Correct Answer
    A. 4.5 billion years old
    Explanation
    That is 4,500,000,000 years - quite a long time indeed.

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  • 10. 
    Do dolphins have teeth? - ProProfs

    Do dolphins have teeth?

    • Yes

    • No

    • Only the bottlenose dolphins

    • It depends

    Correct Answer
    A. Yes
    Explanation
    Dolphins are intelligent and cute and even funny at times, but they are predators. They eat fish and squid. They need to have teeth.

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  • 11. 
    How old are the oldest trees?   - ProProfs

    How old are the oldest trees?  

    • 3000 years old

    • 6000 years old

    • 9000 years old

    • 10000 years old

    Correct Answer
    A. 6000 years old
    Explanation
    These are the African Baobab trees.

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  • 12. 
    Which is the highest waterfall in the world? - ProProfs

    Which is the highest waterfall in the world?

    • Niagara

    • Angel

    • Iguazú

    • Jog

    Correct Answer
    A. Angel
    Explanation
    The Angel waterfall is in Venezuela and it's 980 m / 3,212 ft tall.

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  • 13. 
    Above what altitude are travelers considered to be astronauts? - ProProfs

    Above what altitude are travelers considered to be astronauts?

    • 30 kms (18.6 miles)

    • 50 kms (31 miles)

    • 80 kms (50 miles)

    • 90 kms (60 miles)

    Correct Answer
    A. 80 kms (50 miles)
    Explanation
    This height is a US definition of being an astronaut. In other parts of the world, it can be different. Space doesn't have a clear boundary.

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  • 14. 
    Who was the first explorer to reach the South Pole? - ProProfs

    Who was the first explorer to reach the South Pole?

    • Roald Amundsen

    • Ernest Shackleton

    • Robert Falcon Scott

    • Roanld Amund Scott

    Correct Answer
    A. Roald Amundsen
    Explanation
    The Norwegian explorer and his party reached the South Pole in 1911.

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  • 15. 
    Which is the most extended mountain range on the planet? - ProProfs

    Which is the most extended mountain range on the planet?

    • The Himalayas

    • The Rockies

    • The Andes

    • The Alps

    Correct Answer
    A. The Andes
    Explanation
    The range of the Andes is over 7,000 km (4,300 miles) long.

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Quiz Review Timeline (Updated): Mar 6, 2025 +

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

  • Current Version
  • Mar 06, 2025
    Quiz Edited by
    ProProfs Editorial Team
  • Apr 20, 2010
    Quiz Created by
    Lucidenglish
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