Science & Technology Trivia Quiz 15

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: Theodore Maiman

  2. Number answermedium
  3. Multiple choicevery easy
    What gas do plants absorb from the air for photosynthesis?
  4. Number answereasy

    Hint: The quietest sound we hear

  5. Number answervery easy
  6. Multiple choiceeasy
    What gas do plants release during photosynthesis?
  7. Number answermedium

    Hint: Cervical, thoracic, lumbar, sacral, coccygeal

  8. Number answermedium
  9. Multiple choicevery hard
    What is the largest known structure in the universe?
  10. Number answervery hard

    Hint: Used for radiocarbon dating

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

Answer key

Contains spoilers for all 10 questions. Expand only when you are done playing.

Show the answers
  1. In what year was the laser invented?1,960
  2. How many megabytes are in a gigabyte?1,024
  3. What gas do plants absorb from the air for photosynthesis?Carbon dioxide
  4. How many decibels is the threshold of human hearing?0
  5. At what temperature Celsius does water freeze?0
  6. What gas do plants release during photosynthesis?Oxygen
  7. How many vertebrae are in the human spine?33
  8. How many planets in our solar system have no moons?2
  9. What is the largest known structure in the universe?Hercules-Corona Borealis Great Wall
  10. What is the half-life of Carbon-14 in years?5,730