Science and Technology Trivia Questions

Science & Tech trivia questions with answers

A sample from the science & tech bank — tap any question to reveal the answer. Good for quiz nights, classrooms, or settling arguments.

1. This substance is a substitute for sugar that can help prevent tooth decay. It decreases plaque formation and blocks the bacteria from producing the acids that cause cavities.

   Xylitol

2. By what name was the closest planet to the Sun called by the Greeks?

   Hermes

3. Why are recoilless guns recoilless?

   Their barrels are open at both ends.

4. Who wrote the first textbook on Geometry?

   Euclid

5. Which of the following types of brain cells amplify the neural signals and maintain homeostasis?

   glial cells

6. Vitamin A plays an important role in vision, growth, healthy skin and hair, immune function, and reproduction. Which of these is not a significant source of Vitamin A?

   Nuts and grains

7. The number of total calories, carbohydrates, fats, and sodium per serving is reported to be highest in which of the following meals?

   Hardees Kids Meal - Slammers

8. Which one of these is an operating system?

   Vista

9. Typically, how many random items can human short-term memory store?

   6-8

10. What is the average temperature on the Martian surface?

    -23 degrees Celsius

11. What does ludology study?

    video games

12. What part of your body becomes a connection method when colored?

    Bluetooth

13. Which of the following people is generally at the highest risk of suicide?

    A divorced, unemployed man living alone

14. Pathogenic microorganisms which get into the human body are called antigens because they cause the formation of antibodies. The antibodies are produced by what blood cells?

    Lymphocites

15. What do we call cells with a nucleus?

    Eukaryotic

16. Cryptozoology is a branch of Zoology, which deals with what?

    Animals that are considered to exist but there is no proof for their existence

17. What astronomer was the first to see canali on the surface of Mars?

    Giovanni Shiaparelli

18. The implementation of MPAs is one way to protect the coral reefs from destruction. What does MPA stand for in this context?

    Marine Protected Area

19. This is the study of winds.

    anemology

20. Which is the largest of Uranus moons?

    Titania.

21. What kind of Galaxy is the Milky Way?

    Barred Spiral

22. Where is Egg Island located?

    Bahamas

23. Consider all animals that ever lived. Which animal had the longest teeth?

    The straight-tusked elephant

24. What did the CERN laboratory in Geneva, Switzerland, produce for the first time in 1996?

    Antimatter

25. Which of the following comedies has been on TV the most number of years?

    The Simpsons

26. Which term denotes the classification of organisms, based on their evolutionary descent?

    Phylogenetics

27. This organ expands up to 500 times its normal size during the pregnancy.

    The uterus

28. Urticaria is a relatively common form of allergic reaction, that causes red skin welts. Which is the other term which refers to this skin ailment?

    Hives

29. Charles Darwin had a passion for this popular hobby, which was introduced to him by his cousin William Darwin Fox.

    Collecting beetles

30. In the US, why do we change our clocks on the daylight saving time dates in April and October?

    To conserve energy

31. What type of cells are the Purkinje cells, named after Czech anatomist Jan Evangelista Purkyne?

    Neurons

32. If the planet Mars, with a diameter of 6772 kilometers, is at a distance of 80,000,000 kilometers, what is its angular diameter in arc seconds?

    17.46

33. Taxonomy of vertebrates divides fishes into what two basic groups?

    Jawed and jawless

34. When a hydrogen atom loses its electron it might form which of the following?

    A proton

35. Which of these methods is a reliable way to distinguish a natural pearl from a cultured one and a fake one?

    All of these

36. All of the following are common causes of elevated liver enzymes EXCEPT which one?

    Cholelithiasis

37. Which is the only B vitamin that cannot be obtained from plant products?

    B12

38. It is the longest river in the world

    The Nile

39. Octo is a prefix meaning eight. An Octopus has eight legs. An octagon has exactly 8 sides. An Octogenarian is at least 8 decades old. What is the eighth month?

    August

40. Which of the following colors is an example of a Tyndall effect color?

    The blue of the human iris