Trivia & General Knowledge

General Knowledge Questions and Answers

100 general knowledge questions with answers: inventors, books, science, animals, sport, money and more.

100 questions · tap “Show answer” under each one · Answer key

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  1. Who made the first vaccine, against smallpox, in 1796?

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    Edward Jenner

    The word vaccine comes from vacca, Latin for 'cow', after the cowpox he used. Source

  2. Who invented dynamite?

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    Alfred Nobel

    His fortune funds the Nobel Prizes. Source

  3. Which unit of power is named after the engineer James Watt?

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    Watt

    A typical LED bulb uses about 10 watts. Source

  4. Who is often called the father of the computer?

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    Charles Babbage

    He designed mechanical computers in the 1800s. Source

  5. Who wrote what is often called the first computer program?

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    Ada Lovelace

    She wrote it for Babbage's Analytical Engine in 1843. Source

  6. Who discovered X-rays in 1895?

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    Wilhelm Röntgen

    He won the first Nobel Prize in Physics in 1901. Source

  7. Who founded Microsoft with Paul Allen?

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    Bill Gates

    They founded it in 1975. Source

  8. Who argued in 1543 that Earth goes around the Sun?

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    Nicolaus Copernicus

    Before him, most people believed the Sun moved around Earth. Source

  9. Who created the periodic table of elements?

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    Dmitri Mendeleev

    He left gaps for elements nobody had found yet. Source

  10. Who described the structure of DNA with Francis Crick in 1953?

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    James Watson

    Rosalind Franklin's X-ray images were key to the discovery. Source

  11. Who invented the Braille reading system?

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    Louis Braille

    He was 15 when he developed it. Source

  12. Who gave his name to the dots-and-dashes telegraph code?

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    Samuel Morse

    SOS in Morse code is · · · — — — · · · Source

  1. Who wrote the novel '1984'?

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    George Orwell

    Big Brother comes from this book. Source

  2. Who is said to have written 'The Odyssey'?

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    Homer

    It tells of Odysseus's ten-year journey home. Source

  3. Who wrote 'War and Peace'?

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    Leo Tolstoy

    It has more than 500 characters. Source

  4. Who wrote 'One Hundred Years of Solitude'?

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    Gabriel García Márquez

    It is set in the fictional town of Macondo. Source

  5. Who wrote 'Things Fall Apart'?

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    Chinua Achebe

    Published in 1958, it is one of the most read African novels. Source

  6. Who wrote 'The Adventures of Tom Sawyer'?

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    Mark Twain

    Mark Twain was the pen name of Samuel Clemens. Source

  7. Who wrote 'Oliver Twist'?

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    Charles Dickens

    It first came out in monthly parts. Source

  8. Who wrote 'The Little Prince'?

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    Antoine de Saint-Exupéry

    The author was also a pilot. Source

  9. Who wrote 'Around the World in Eighty Days'?

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    Jules Verne

    The hero, Phileas Fogg, travels for a bet. Source

  10. Who wrote 'Frankenstein'?

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    Mary Shelley

    She started it at 18. Source

  11. Which poet wrote 'Gitanjali' and won the Nobel Prize in Literature in 1913?

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    Rabindranath Tagore

    He was the first non-European to win the literature prize. Source

  12. Who wrote 'The Alchemist'?

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    Paulo Coelho

    It has been translated into more than 80 languages. Source

  13. How many teeth does an adult usually have?

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    32

    Children have 20 baby teeth. Source

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  1. Which is the longest bone in the human body?

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    Femur

    The femur is the thigh bone. Source

  2. What is normal human body temperature, roughly?

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    About 37 °C

    That is about 98.6 °F. Source

  3. What is the chemical symbol for iron?

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    Fe

    Fe comes from ferrum, Latin for iron. Source

  4. What is the SI unit of force?

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    Newton

    One newton is roughly the weight of a small apple. Source

  5. What kind of energy does a moving object have?

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    Kinetic energy

    The faster something moves, the more kinetic energy it has. Source

  6. Which part of a plant does most of the photosynthesis?

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    Leaves

    Leaves are full of green chlorophyll. Source

  7. Which blood type is the most common worldwide?

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    O positive

    AB negative is one of the rarest. Source

  8. What does an anemometer measure?

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    Wind speed

    Many anemometers are spinning cups. Source

  9. What is the green pigment in plants called?

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    Chlorophyll

    In autumn it breaks down, and yellows and reds show through. Source

  10. Which element are diamonds made of?

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    Carbon

    Graphite in pencils is carbon too. Source

  11. Which vitamin are citrus fruits famous for?

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    Vitamin C

    Sailors once got scurvy from a lack of it. Source

  12. How many chambers does the human heart have?

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    4

    Two atria on top, two ventricles below. Source

  1. What is the body's largest artery called?

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    Aorta

    It carries blood from the heart to the rest of the body. Source

  2. Which is the hottest layer of Earth?

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    Inner core

    The inner core may be about as hot as the surface of the Sun. Source

  3. What are animals that eat only plants called?

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    Herbivores

    Cows and rabbits are herbivores. Source

  4. Which animal is called 'the ship of the desert'?

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    Camel

    Camels can go days without drinking. Source

  5. Which is the largest penguin?

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    Emperor penguin

    Emperors can be about 1.2 m tall. Source

  6. Which is the largest species of cat?

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    Tiger

    Siberian tigers can weigh more than 250 kg. Source

  7. Which insect makes the silk used for fabric?

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    Silkworm

    Silkworms are the caterpillars of a moth. Source

  8. What are animals that are active at night called?

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    Nocturnal

    Owls and bats are nocturnal. Source

  9. Which African animal has black and white stripes all over its body?

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    Zebra

    No two zebras have the same stripes. Source

  10. Which is the tallest tree species?

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    Coast redwood

    The tallest known redwood is about 116 m tall. Source

  11. What is a female deer called?

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    Doe

    A male deer is a buck or stag. Source

  12. How many humps does a dromedary camel have?

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    1

    Bactrian camels have two. Source

  13. Which sea creature has no brain, heart or bones?

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    Jellyfish

    Jellyfish are about 95 percent water. Source

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  1. How many players does each team have on the court in volleyball?

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    6

    Beach volleyball is played two against two. Source

  2. Which country is judo from?

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    Japan

    Kano Jigoro created judo in 1882. Source

  3. How many minutes does a standard football (soccer) match last?

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    90

    Two halves of 45 minutes, plus stoppage time. Source

  4. In which sport would you do a slam dunk?

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    Basketball

    A dunk is pushing the ball down through the hoop. Source

  5. Which country has won the men's Cricket World Cup the most times?

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    Australia

    Australia has six titles. Source

  6. What is a perfect score in ten-pin bowling?

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    300

    It takes twelve strikes in a row. Source

  7. How many holes does a standard golf course have?

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    18

    St Andrews in Scotland set the 18-hole standard in 1764. Source

  8. Which city hosted the 2024 Summer Olympics?

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    Paris

    Paris also hosted in 1900 and 1924. Source

  9. What color is the center of an Olympic archery target?

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    Gold (yellow)

    The rings go white, black, blue, red and gold. Source

  10. Which sport has tries and scrums?

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    Rugby

    A try is worth five points in rugby union. Source

  11. What is the currency of the United Kingdom?

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    Pound sterling

    It's the oldest currency still in use. Source

  12. What is the currency of India?

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    Rupee

    The rupiah is Indonesia's currency. Source

  1. What is the currency of South Africa?

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    Rand

    It's named after the Witwatersrand, a gold-rich ridge. Source

  2. What is the currency of Mexico?

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    Peso

    The $ sign was first used for pesos. Source

  3. What is the currency of Switzerland?

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    Swiss franc

    Switzerland isn't in the European Union. Source

  4. How many stars are on the flag of the United States?

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    50

    The 13 stripes stand for the original colonies. Source

  5. In which Italian city is the famous leaning tower?

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    Pisa

    It began to lean while it was still being built. Source

  6. In which country is Angkor Wat?

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    Cambodia

    It appears on Cambodia's flag. Source

  7. Which city is home to the Christ the Redeemer statue?

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    Rio de Janeiro

    The statue stands on Corcovado mountain. Source

  8. In which country is the ancient city of Petra?

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    Jordan

    Petra was carved into pink sandstone cliffs. Source

  9. In which country is the Great Barrier Reef?

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    Australia

    It's the largest coral reef system in the world. Source

  10. Which language is most widely spoken in the Canadian province of Quebec?

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    French

    Montreal is one of the largest French-speaking cities in the world. Source

  11. How many seconds are in an hour?

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    3,600

    60 seconds × 60 minutes. Source

  12. What is the line at 0° longitude called?

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    Prime meridian

    It runs through Greenwich in London. Source

  13. Which US city is nicknamed 'the Windy City'?

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    Chicago

    It isn't the windiest US city by measurement. Source

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  1. How many degrees are in a circle?

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    360

    The Babylonians may have chosen 360. Source

  2. What is the square root of 81?

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    9

    9 × 9 = 81. Source

  3. What is 15% of 200?

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    30

    10% is 20 and 5% is 10. Source

  4. How many years are in a century?

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    100

    A thousand years is a millennium. Source

  5. Which month has the longest name in English?

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    September

    September has nine letters. Source

  6. What is a shape with five sides called?

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    Pentagon

    Penta means 'five' in Greek. Source

  7. What is a baby cat called?

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    Kitten

    Kittens open their eyes about a week after birth. Source

  8. What is the smallest prime number?

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    2

    It's also the only even prime. Source

  9. What does CPU stand for?

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    Central processing unit

    The CPU runs a computer's instructions. Source

  10. What does GPS stand for?

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    Global Positioning System

    GPS uses signals from about 30 satellites. Source

  11. How is the number 2 written in binary?

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    10

    Binary uses only 0 and 1. Source

  12. Which company makes the PlayStation?

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    Sony

    The first PlayStation came out in 1994. Source

  1. Which app started in China under the name Douyin?

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    TikTok

    TikTok launched internationally in 2017. Source

  2. Which is the largest of North America's Great Lakes?

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    Lake Superior

    It is the largest freshwater lake in the world by area. Source

  3. Which metal has the chemical symbol Cu?

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    Copper

    Cu comes from cuprum, from the island of Cyprus. Source

  4. In which country did people first drink tea?

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    China

    Legend credits the emperor Shennong, around 2700 BC. Source

  5. What is a word made from the first letters of other words, like NASA?

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    Acronym

    Laser and radar started as acronyms too. Source

  6. Which number is often thought unlucky in Western culture?

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    13

    Fear of the number 13 is called triskaidekaphobia. Source

  7. How many players does a baseball team have on the field?

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    9

    A game usually has nine innings, too. Source

  8. Which instrument do you use to look at very small things?

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    Microscope

    Early microscopes were made in the Netherlands around 1600. Source

  9. What color do you get when you mix red and white paint?

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    Pink

    Adding white to a color makes a tint. Source

  10. What is the highest number on a standard die?

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    6

    Opposite faces add up to 7. Source

  11. Which fruit is said to 'keep the doctor away'?

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    Apple

    The saying dates back to 1860s Wales. Source

  12. What is the name of the great bell in London's Elizabeth Tower?

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    Big Ben

    People often call the whole clock tower Big Ben. Source

  13. What does a cartographer make?

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    Maps

    The word comes from the French carte, 'map'. Source

Answer key

  1. Edward Jenner
  2. Alfred Nobel
  3. Watt
  4. Charles Babbage
  5. Ada Lovelace
  6. Wilhelm Röntgen
  7. Bill Gates
  8. Nicolaus Copernicus
  9. Dmitri Mendeleev
  10. James Watson
  11. Louis Braille
  12. Samuel Morse
  13. George Orwell
  14. Homer
  15. Leo Tolstoy
  16. Gabriel García Márquez
  17. Chinua Achebe
  18. Mark Twain
  19. Charles Dickens
  20. Antoine de Saint-Exupéry
  21. Jules Verne
  22. Mary Shelley
  23. Rabindranath Tagore
  24. Paulo Coelho
  25. 32
  26. Femur
  27. About 37 °C
  28. Fe
  29. Newton
  30. Kinetic energy
  31. Leaves
  32. O positive
  33. Wind speed
  34. Chlorophyll
  35. Carbon
  36. Vitamin C
  37. 4
  38. Aorta
  39. Inner core
  40. Herbivores
  41. Camel
  42. Emperor penguin
  43. Tiger
  44. Silkworm
  45. Nocturnal
  46. Zebra
  47. Coast redwood
  48. Doe
  49. 1
  50. Jellyfish
  51. 6
  52. Japan
  53. 90
  54. Basketball
  55. Australia
  56. 300
  57. 18
  58. Paris
  59. Gold (yellow)
  60. Rugby
  61. Pound sterling
  62. Rupee
  63. Rand
  64. Peso
  65. Swiss franc
  66. 50
  67. Pisa
  68. Cambodia
  69. Rio de Janeiro
  70. Jordan
  71. Australia
  72. French
  73. 3,600
  74. Prime meridian
  75. Chicago
  76. 360
  77. 9
  78. 30
  79. 100
  80. September
  81. Pentagon
  82. Kitten
  83. 2
  84. Central processing unit
  85. Global Positioning System
  86. 10
  87. Sony
  88. TikTok
  89. Lake Superior
  90. Copper
  91. China
  92. Acronym
  93. 13
  94. 9
  95. Microscope
  96. Pink
  97. 6
  98. Apple
  99. Big Ben
  100. Maps