Science & Technology Trivia Quiz 21

10 questions · 3 multiple choice · 7 number answers · scored out of 1000

Answer everything below, then hit finish for a scored breakdown. Number questions give partial credit for close guesses, so always take a shot.

  1. Number answerhard

    Hint: The human genome

  2. Number answermedium
  3. Multiple choicemedium
    Which layer of Earth's atmosphere contains the ozone layer?
  4. Number answervery hard

    Hint: Hewlett-Packard pocket device

  5. Number answervery easy
  6. Multiple choicehard
    Which planet has the most moons?
  7. Number answerhard

    Hint: Including those who went via other nations' spacecraft

  8. Number answervery easy
  9. Multiple choicemedium
    What structure in the eye focuses light onto the retina?
  10. Number answervery hard

    Hint: California coast redwood

0 of 10 answered · 10 still blank (they score 0)

Answer key

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Show the answers
  1. How many genes are in human DNA?20,000
  2. How many minutes does it take sunlight to reach Earth (approx)?8
  3. Which layer of Earth's atmosphere contains the ozone layer?Stratosphere
  4. In what year was the first programmable calculator (HP-65) released?1,974
  5. How many moons does Earth have?1
  6. Which planet has the most moons?Saturn
  7. How many countries have sent humans to space (as of 2024)?44
  8. How many continents are on Earth?7
  9. What structure in the eye focuses light onto the retina?Lens
  10. How many meters tall is the tallest tree ever recorded (Hyperion)?116

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