A Quiz On Geologic Time Scale! Trivia Questions!

25 Questions | Total Attempts: 8161

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Geologic Time Scale Quizzes & Trivia

Are you looking for a quiz on geologic time scale? There are divided into four major units in eons when it comes to dating the history of the earth and they include the Hadean, Archean, Proterozoic, and Phanerozoic. These are further divided into other scales. Do you know how to denote what happened in which time scale? This quiz will help you refresh your memory, do give it a shot!


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Questions and Answers
  • 1. 
    __________ is the division of Earth’s history based on life forms which lived during that period.
    • A. 

      Seafloor spreading

    • B. 

      Geologic Time Scale

    • C. 

      Prehistoric dinosaurs

  • 2. 
    ________________ are the longest subdivision of GTS.
    • A. 

      Eons

    • B. 

      Eras

    • C. 

      Periods

  • 3. 
    _______________ is change of animals over time.
    • A. 

      Natural selection

    • B. 

      Organic evolution

    • C. 

      Periodic table

  • 4. 
    __________ is a group of organisms which have the ability to reproduce with members of their group.
    • A. 

      Period

    • B. 

      Epoch

    • C. 

      Species

  • 5. 
    The theory that organisms with characteristics best suited for that environment will survive there is known as _______________.
    • A. 

      Organic evolution

    • B. 

      Natural selection

    • C. 

      Solar system

  • 6. 
    What is the longest part of Earth’s history. Trace fossils appeared.
    • A. 

      Precambrian Time

    • B. 

      Paleozoic Era

    • C. 

      Mesozoic Era

    • D. 

      Cenozoic Era

  • 7. 
    During which era did Pangaea break up?
    • A. 

      Precambrian Time

    • B. 

      Paleozoic Era

    • C. 

      Mesozoic Era

  • 8. 
    Cyanobacteria does not produce oxygen.
    • A. 

      True

    • B. 

      False

  • 9. 
    The era of middle life; a time of many changes on Earth.                                        
    • A. 

      Paleozoic

    • B. 

      Mesozoic

    • C. 

      Cenozoic

  • 10. 
                                       Dinosaurs and birds are said to have evolved during The Mesozoic Eera.                                        
    • A. 

      True

    • B. 

      False

  • 11. 
    The movie "Jurassic Park" got its title from which era?
    • A. 

      Paleozoic Era

    • B. 

      Mesozoic Era

    • C. 

      Cenozoic Era

  • 12. 
                                        What time period am I describing. Rocks dating back in this time were  RARE because of erosion; hence hardly no fossil records. Rocks were buried and changed by extreme heat and pressure. Fossils could not withstand the conditions. 
  • 13. 
    ___________ are blue green algae thought to be one of the earliest forms of life on Earth. It contains chlorophyll and photosynthesized and produced oxygen. We give thanks to their existence.
    • A. 

      Mesozoic Era

    • B. 

      Cyanobacteria

    • C. 

      Epochs

  • 14. 
    Which era am I describing.   The era of ancient life. It is divided into 3 periods, Early, Middle, and late. The age of the invertebrates was in this era.
  • 15. 
    At the end of which era did the largest mass extinction occur, wiping out 95% of marine life and 70% of life on land?
    • A. 

      Precambrian

    • B. 

      Paleozoic

    • C. 

      Mesozoic

  • 16. 
    End of this (these) era(s) was believed to be caused by a meteorite, comet or asteroid colliding with Earth, causing a huge cloud of dust and smoke to rise into the atmosphere, blocking out the sun. Check all that applies.
    • A. 

      Paleozoic Era

    • B. 

      Mesozoic Era

    • C. 

      Cenozoic Era

  • 17. 
    What era am I describing? The era of recent life; continues today. 
    • Part of the this era comprised the Ice Age. 
    • Himalayan and Alps Mountains began to form. 
    • Mammals became larger. 
    • Homo sapiens, wise man, appeared during this era.
  • 18. 
    Which geologic event occurred during the Mesozoic era?  
    • A. 

      1st homo sapien appeared

    • B. 

      Dinosaurs roamed the land.

    • C. 

      The Pleistocene Ice Age began

    • D. 

      1st fish evolved

  • 19. 
    The Geologic time scale is subdivided into 4 groups. List them beginning with the largest.
    • A. 

      Eons, periods, epochs, eras

    • B. 

      Eras, eon, periods, epochs

    • C. 

      Epochs, periods, eras, eons

    • D. 

      Eons, eras, periods, epochs

  • 20. 
    • A. 

      Precambrian Time, Mesozoic, Cenozoic, Paleozoic

    • B. 

      Paleozoic, Mesozoic, Precambrian, Cenozoic

    • C. 

      Precambrian Time, Paleozoic, Mesozoic, Cenozoic

    • D. 

      Cenozoic, Mesozoic, Paleozoic, Precambrian Time

  • 21. 
    Approximately how old is the earth?
    • A. 

      5 BYA

    • B. 

      4.6 MYA

    • C. 

      4.6 BYA

    • D. 

      3.5 MYA

  • 22. 
    The Cenozoic era is called the age of mammals because
    • A. 

      A. mammals first evolved at this time.

    • B. 

      B. fish were very successful during this time.

    • C. 

      C. many dinosaurs became extinct during this time.

  • 23. 
    Describe what is meant by the Cambrian explosion. it is the explosion of [Blank]
  • 24. 
    The geologic time scale was developed using
    • A. 

      A. climate data.

    • B. 

      B. glacial grooves.

    • C. 

      C. changes in fossils.

    • D. 

      D. meteorite fragments.