Install QuizVortex App
Play offline · Home screen icon · Faster loading
Play this advanced general knowledge quiz online for free — 20 hard questions and answers on science, history and geography.
1. Which language has the most native speakers in the world?
💡 Mandarin Chinese has more native speakers than any other language, largely due to China's massive population.
2. Who is credited as the first computer programmer, having written an algorithm for Charles Babbage's Analytical Engine?
💡 Ada Lovelace wrote what is considered the first algorithm intended for a machine in the mid-19th century.
3. What is the imaginary line at 0 degrees longitude called?
💡 The Prime Meridian, passing through Greenwich, England, is the reference line for measuring longitude at 0 degrees.
4. Which mountain is the tallest in Africa?
💡 Mount Kilimanjaro in Tanzania, at 5,895 meters, is the tallest mountain on the African continent.
5. What is the process by which a cell divides into two identical daughter cells called?
💡 Mitosis is the process of cell division that produces two genetically identical daughter cells.
6. Which country was the first to send a human into space?
💡 The Soviet Union sent Yuri Gagarin into orbit in 1961, making him the first human in space.
7. What is the name of the deepest known point in Earth's oceans?
💡 The Mariana Trench in the Pacific Ocean reaches depths of nearly 11,000 meters, the deepest known point on Earth.
8. Who is regarded as the founder of psychoanalysis?
💡 Sigmund Freud developed psychoanalysis in the late 19th and early 20th centuries, pioneering the study of the unconscious mind.
9. Which conflict is also referred to as 'The War to End All Wars'?
💡 World War I earned the nickname 'The War to End All Wars' due to its unprecedented scale and devastation.
10. What term describes a word that has the same meaning as another word?
💡 A synonym is a word that shares the same or a very similar meaning with another word.
11. In which country did the martial art Judo originate?
💡 Judo was developed in Japan in 1882 by Jigoro Kano as a modern martial art and Olympic sport.
12. What is the term for an intense fear of heights?
💡 Acrophobia is the clinical term for an extreme or irrational fear of heights.
13. Which English king signed the Magna Carta in 1215?
💡 King John signed the Magna Carta in 1215, limiting royal power and establishing key legal principles.
14. What is the extremely dense object formed after a massive star collapses, from which not even light can escape?
💡 A black hole forms when a massive star collapses under its own gravity, creating a region where gravity is so strong nothing can escape, not even light.
15. In which country did the game of chess likely originate?
💡 Chess is believed to have originated in India around the 6th century, later spreading to Persia and beyond.
16. Which scientist formulated the three laws of planetary motion?
💡 Johannes Kepler developed his three laws of planetary motion in the early 17th century, based on observational data.
17. Which ancient civilization built the city of Machu Picchu?
💡 Machu Picchu was built by the Inca Empire in the 15th century, high in the Andes Mountains of Peru.
18. What is the official currency used across most of the European Union?
💡 The Euro was introduced in 1999 and is used by most member states of the European Union.
19. What is the study of ancient human societies through artifacts called?
💡 Archaeology involves studying past human activity primarily through the recovery and analysis of physical artifacts.
20. What is the hardest substance found naturally in the human body?
💡 Tooth enamel is the hardest substance in the human body, protecting teeth from wear and decay.