50 General Knowledge Quiz Questions & Answers

Below are 50 general knowledge quiz questions with the correct answer and a short explanation for each. Use them to revise, host a quiz night, or prepare for competitions — then challenge yourself with the timed, interactive version on QuizOxa.

General Knowledge Quiz Questions and Answers

1. Q1. How many colors in a rainbow?

   ✅ Answer: 7

   💡 7 colors: Red, Orange, Yellow, Green, Blue, Indigo, Violet (ROY G BIV).

2. Q2. What is the hardest natural substance on Earth?

   ✅ Answer: Diamond

   💡 Diamond rates 10 on the Mohs scale, the hardest natural material.

3. Q3. How many continents on Earth?

   ✅ Answer: 7

   💡 7 continents: Africa, Antarctica, Asia, Australia, Europe, North America, South America.

4. Q4. Language with most native speakers?

   ✅ Answer: Mandarin Chinese

   💡 Mandarin Chinese has approximately 920 million native speakers.

5. Q5. How many sides does a hexagon have?

   ✅ Answer: 6

   💡 A hexagon has 6 sides. 'Hex' means 6 in Greek.

6. Q6. Largest planet in our solar system?

   ✅ Answer: Jupiter

   💡 Jupiter's mass exceeds all other planets combined.

7. Q7. Year the first iPhone launched?

   ✅ Answer: 2007

   💡 Steve Jobs unveiled the first iPhone on January 9, 2007.

8. Q8. Hours in a week?

   ✅ Answer: 168

   💡 7 days × 24 hours = 168 hours per week.

9. Q9. What do bees produce?

   ✅ Answer: Honey and Wax

   💡 Bees produce both honey (from nectar) and beeswax for their hive.

10. Q10. How many teeth does an adult human have?

    ✅ Answer: 32

    💡 Adults have 32 teeth total, 28 without wisdom teeth.

11. Q11. Which animal is the tallest in the world?

    ✅ Answer: Giraffe

    💡 Giraffes are the tallest animals, reaching heights of up to 6 metres.

12. Q12. How many strings does a standard guitar have?

    ✅ Answer: 6

    💡 A standard guitar has 6 strings.

13. Q13. What was the first artificial satellite?

    ✅ Answer: Sputnik 1

    💡 Sputnik 1, launched by the Soviet Union on October 4, 1957, was the first artificial satellite.

14. Q14. Which gas makes fizzy drinks fizzy?

    ✅ Answer: Carbon Dioxide

    💡 Carbon dioxide (CO2) is dissolved under pressure to create fizzy drinks.

15. Q15. What is the largest mammal on Earth?

    ✅ Answer: Blue Whale

    💡 The Blue Whale can reach 33 metres and weigh 190 tonnes.

16. Q16. How many months have 31 days?

    ✅ Answer: 7

    💡 7 months have 31 days: January, March, May, July, August, October, December.

17. Q17. What color does litmus paper turn in acid?

    ✅ Answer: Red

    💡 Litmus paper turns red in acidic solutions and blue in alkaline solutions.

18. Q18. Who painted the Mona Lisa?

    ✅ Answer: Leonardo da Vinci

    💡 The Mona Lisa was painted by Leonardo da Vinci, believed to be around 1503-1519.

19. Q19. How many keys does a standard piano have?

    ✅ Answer: 88

    💡 A standard modern piano has 88 keys, 52 white and 36 black.

20. Q20. Which metal is liquid at room temperature?

    ✅ Answer: Mercury

    💡 Mercury (Hg) is the only metal that is liquid at room temperature.

21. Q21. What is the Earth's natural satellite?

    ✅ Answer: The Moon

    💡 The Moon is Earth's only natural satellite, orbiting at 384,400 km.

22. Q22. How many letters are in the English alphabet?

    ✅ Answer: 26

    💡 The English alphabet has 26 letters.

23. Q23. What is the phobia of spiders?

    ✅ Answer: Arachnophobia

    💡 Arachnophobia is the fear of spiders, one of the most common phobias worldwide.

24. Q24. Which sport uses the term 'love' to mean zero?

    ✅ Answer: Tennis

    💡 In tennis, 'love' means zero (0 points).

25. Q25. What is the main ingredient of glass?

    ✅ Answer: Sand (silica)

    💡 Glass is primarily made from silica (sand/SiO2) heated to extremely high temperatures.

26. Q26. Which planet is known as Earth's twin?

    ✅ Answer: Venus

    💡 Venus is called Earth's twin, similar in size and mass.

28. Q27. How many chambers does the human heart have?

    ✅ Answer: 4

    💡 The human heart has 4 chambers: right and left atria, and right and left ventricles.

29. Q28. What is the capital of Canada?

    ✅ Answer: Ottawa

    💡 Ottawa is the capital of Canada, not Toronto which is the largest city.

30. Q29. In which sport do you score a 'birdie'?

    ✅ Answer: Golf

    💡 In golf, a birdie is scoring 1 stroke under par on a hole.

31. Q30. What is the chemical symbol for silver?

    ✅ Answer: Ag

    💡 Ag is the symbol for silver, from the Latin word 'Argentum'.

32. Q31. How many faces does a cube have?

    ✅ Answer: 6

    💡 A cube has 6 faces, all are squares of equal size.

33. Q32. What animal is the symbol of the WWF?

    ✅ Answer: Giant Panda

    💡 The Giant Panda has been the WWF's logo since 1961.

34. Q33. How long does Earth take to rotate on its axis?

    ✅ Answer: 24 hours

    💡 Earth completes one full rotation in approximately 24 hours.

35. Q34. World's most spoken language overall?

    ✅ Answer: English

    💡 English is the most widely spoken language when total speakers are counted.

36. Q35. Which ocean is the saltiest?

    ✅ Answer: Atlantic

    💡 The Atlantic Ocean is the saltiest of the world's major oceans.

37. Q36. What is the national flower of Japan?

    ✅ Answer: Cherry Blossom

    💡 The Cherry Blossom (Sakura) is Japan's unofficial national flower.

38. Q37. How many zeros does 1 billion have?

    ✅ Answer: 9

    💡 1 billion = 1,000,000,000, it has 9 zeros.

39. Q38. Which vitamin is produced when exposed to sunlight?

    ✅ Answer: Vitamin D

    💡 Vitamin D is synthesized in the skin when exposed to sunlight.

40. Q39. What is the world's most popular sport?

    ✅ Answer: Football (Soccer)

    💡 Football (soccer) is the world's most popular sport with over 4 billion fans.

41. Q40. What does 'FIFA' stand for?

    ✅ Answer: Fédération Internationale de Football Association

    💡 FIFA = Fédération Internationale de Football Association.

42. Q41. How many rings are on the Olympic flag?

    ✅ Answer: 5

    💡 The Olympic flag has 5 rings representing the 5 continents.

43. Q42. What is the currency of the United Kingdom?

    ✅ Answer: Pound Sterling

    💡 The currency of the UK is the Pound Sterling (£).

44. Q43. Which bird is the universal symbol of peace?

    ✅ Answer: Dove

    💡 The white dove is universally recognized as a symbol of peace.

45. Q44. How many planets in our solar system have rings?

    ✅ Answer: 4

    💡 Four planets have ring systems: Saturn, Jupiter, Uranus, and Neptune.

46. Q45. What is the only mammal that can fly?

    ✅ Answer: Bat

    💡 Bats are the only mammals capable of true sustained flight.

47. Q46. In which city is the Eiffel Tower?

    ✅ Answer: Paris

    💡 The Eiffel Tower is in Paris, France, built in 1889 for the World's Fair.

48. Q47. What does 'NASA' stand for?

    ✅ Answer: National Aeronautics and Space Administration

    💡 NASA = National Aeronautics and Space Administration.

49. Q48. What is the longest bone in the human body?

    ✅ Answer: Femur

    💡 The femur (thigh bone) is the longest and strongest bone in the human body.

50. Q49. Which country invented paper?

    ✅ Answer: China

    💡 China invented paper around 105 AD during the Han Dynasty.

51. Q50. How many hearts does an octopus have?

    ✅ Answer: 3

    💡 An octopus has 3 hearts, 2 pump blood to the gills, 1 to the rest of the body.

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