GK Test Online – Free 50 MCQs Quiz Questions in English

Welcome to your free online GK test! This interactive 50-question multiple-choice quiz covers a wide range of general knowledge topics—from geography and history to science and current affairs. Each question presents four options: click your choice to see instant feedback and learn as you go. Perfect for students, competitive exam aspirants, or anyone looking to sharpen their mind. No registration required—just scroll, click, and challenge yourself!

GK Test Online – Free 50 MCQs Quiz Questions in English

1. What is the capital of Australia?

• A. Canberra
• B. Sydney
• C. Melbourne
• D. Perth

2. What is the currency of Japan?

• A. Dollar
• B. Yen
• C. Won
• D. Yuan

3. Which is the largest planet in our solar system?

• A. Earth
• B. Mars
• C. Jupiter
• D. Saturn

4. Who wrote the novel “1984”?

• A. Aldous Huxley
• B. Mark Twain
• C. J.K. Rowling
• D. George Orwell

5. Which element has atomic number 1?

• A. Hydrogen
• B. Helium
• C. Lithium
• D. Oxygen

6. Which river is the longest in the world?

• A. Amazon
• B. Nile
• C. Yangtze
• D. Mississippi

7. Who painted the Mona Lisa?

• A. Vincent van Gogh
• B. Pablo Picasso
• C. Leonardo da Vinci
• D. Michelangelo

8. Which gas is produced by plants during photosynthesis?

• A. Carbon Dioxide
• B. Nitrogen
• C. Hydrogen
• D. Oxygen

9. Which is the largest ocean on Earth?

• A. Pacific
• B. Atlantic
• C. Indian
• D. Arctic

10. Who discovered penicillin?

• A. Marie Curie
• B. Alexander Fleming
• C. Louis Pasteur
• D. Gregor Mendel

11. Who is known as the “Father of Computing”?

• A. Alan Turing
• B. John von Neumann
• C. Charles Babbage
• D. Steve Jobs

12. In Greek mythology, who is the god of war?

• A. Zeus
• B. Apollo
• C. Hermes
• D. Ares

13. What is the currency of the United Kingdom?

• A. Pound Sterling
• B. Euro
• C. Dollar
• D. Franc

14. Which continent has the most countries?

• A. Asia
• B. Africa
• C. Europe
• D. South America

15. What is the smallest prime number?

• A. 1
• B. 0
• C. 2
• D. 3

16. What is the boiling point of water at sea level?

• A. 90°C
• B. 95°C
• C. 110°C
• D. 100°C

17. Who was the first woman to win a Nobel Prize?

• A. Marie Curie
• B. Rosalind Franklin
• C. Dorothy Hodgkin
• D. Malala Yousafzai

18. Who formulated the law of universal gravitation?

• A. Albert Einstein
• B. Isaac Newton
• C. Galileo Galilei
• D. Niels Bohr

19. What is the capital of Canada?

• A. Toronto
• B. Vancouver
• C. Ottawa
• D. Montreal

20. Which element is a liquid at room temperature?

• A. Lead
• B. Zinc
• C. Silver
• D. Mercury

21. What is the highest mountain in the world?

• A. Mount Everest
• B. K2
• C. Kangchenjunga
• D. Lhotse

22. In which year did World War II end?

• A. 1944
• B. 1945
• C. 1946
• D. 1950

23. What is the name of the space telescope launched in 1990?

• A. James Webb
• B. Spitzer
• C. Hubble
• D. Chandra

24. Which is the largest hot desert in the world?

• A. Gobi
• B. Kalahari
• C. Arabian
• D. Sahara

25. Who invented the telephone?

• A. Alexander Graham Bell
• B. Thomas Edison
• C. Nikola Tesla
• D. Guglielmo Marconi

26. What is the hardest natural substance?

• A. Graphite
• B. Diamond
• C. Quartz
• D. Corundum

27. What is the fastest land animal?

• A. Lion
• B. Tiger
• C. Cheetah
• D. Gazelle

28. Which is the smallest bone in the human body?

• A. Femur
• B. Tibia
• C. Ulna
• D. Stapes

29. Which gas makes up about 78% of Earth’s atmosphere?

• A. Nitrogen
• B. Oxygen
• C. Argon
• D. Carbon Dioxide

30. Which planet is known as the Red Planet?

• A. Venus
• B. Mars
• C. Jupiter
• D. Mercury

31. What is the SI unit of force?

• A. Joule
• B. Pascal
• C. Newton
• D. Watt

32. Who wrote the play “Hamlet”?

• A. Charles Dickens
• B. Jane Austen
• C. Mark Twain
• D. William Shakespeare

33. What is the currency of Switzerland?

• A. Swiss Franc
• B. Euro
• C. Dollar
• D. Krona

34. What is the chemical formula for water?

• A. CO₂
• B. H₂O
• C. O₂
• D. NaCl

35. What instrument measures earthquakes?

• A. Barometer
• B. Thermometer
• C. Seismograph
• D. Anemometer

36. What is frozen water called?

• A. Steam
• B. Vapor
• C. Dew
• D. Ice

37. Which country is known as the Land of the Rising Sun?

• A. Japan
• B. China
• C. South Korea
• D. Thailand

38. The unit of electric current is named after which scientist?

• A. Volta
• B. Ampere
• C. Tesla
• D. Ohm

39. Approximate speed of sound in air is:

• A. 150 m/s
• B. 1000 m/s
• C. 343 m/s
• D. 500 m/s

40. What process do plants use to make food?

• A. Respiration
• B. Fermentation
• C. Transpiration
• D. Photosynthesis

41. What is the capital of Brazil?

• A. Brasília
• B. Rio de Janeiro
• C. São Paulo
• D. Salvador

42. The study of stars and planets is called:

• A. Biology
• B. Astronomy
• C. Geology
• D. Meteorology

43. Which bird is famous for its ability to mimic human speech?

• A. Crow
• B. Sparrow
• C. Parrot
• D. Pigeon

44. Which organ pumps blood throughout the human body?

• A. Lung
• B. Liver
• C. Kidney
• D. Heart

45. Which script is used to write Hindi?

• A. Devanagari
• B. Latin
• C. Arabic
• D. Cyrillic

46. What is molten rock below the Earth’s surface called?

• A. Lava
• B. Magma
• C. Basalt
• D. Pumice

47. Who is traditionally credited as the author of “The Odyssey”?

• A. Plato
• B. Socrates
• C. Homer
• D. Aristotle

48. Which metal is liquid at room temperature and used in thermometers?

• A. Lead
• B. Iron
• C. Copper
• D. Mercury

49. What is the pH of pure water at 25°C?

• A. 7
• B. 5
• C. 9
• D. 14

50. Which vitamin does the human body synthesize on exposure to sunlight?

• A. Vitamin C
• B. Vitamin D
• C. Vitamin B12
• D. Vitamin A