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Advanced general knowledge — only the sharpest minds will score high!
1. In which year did the Titanic sink?
💡 The RMS Titanic struck an iceberg and sank on April 15, 1912 on its maiden voyage.
2. Who was the first woman to win a Nobel Prize?
💡 Marie Curie won the Nobel Prize in Physics in 1903 and later in Chemistry in 1911 — the first person to win twice.
3. Which civilization built the Machu Picchu citadel?
💡 Machu Picchu was built by the Inca Empire in the 15th century in modern-day Peru.
4. What is the chemical formula for table salt?
💡 Table salt is sodium chloride, with the chemical formula NaCl — one sodium and one chlorine atom.
5. Which country has the longest coastline in the world?
💡 Canada has the longest coastline in the world at approximately 202,080 km including islands.
6. What is the atomic number of gold?
💡 Gold (Au) has atomic number 79, meaning it has 79 protons in its nucleus.
7. How many chambers does the human heart have?
💡 The human heart has 4 chambers: the left and right atria (upper) and left and right ventricles (lower).
8. How many moons does Mars have?
💡 Mars has 2 moons: Phobos and Deimos, both thought to be captured asteroids.
9. Which country is the largest producer of coffee in the world?
💡 Brazil produces approximately 40% of the world's coffee supply and has been the top producer for 150 years.
10. What is the most spoken language in the world by total speakers?
💡 English has over 1.5 billion total speakers (native + second language), making it the most spoken language globally.
11. Which country has won the most FIFA World Cup titles?
💡 Brazil has won the FIFA World Cup 5 times: 1958, 1962, 1970, 1994, and 2002.
12. How many bones are in the human ear?
💡 The human ear contains 3 tiny bones: the malleus (hammer), incus (anvil), and stapes (stirrup).
13. What is the largest internal organ in the human body?
💡 The liver is the largest internal organ, weighing about 1.5 kg and performing over 500 vital functions.
14. What is the speed of sound at sea level in air?
💡 Sound travels at approximately 343 metres per second in air at sea level at 20°C.
15. What is the powerhouse of the cell?
💡 The mitochondria produce ATP through cellular respiration, supplying energy to the cell.
16. What is the name of the world's largest desert?
💡 Antarctica is the world's largest desert at 14.2 million km², as a desert is defined by low precipitation.
17. What is the rarest blood type?
💡 AB negative is the rarest blood type, found in only about 1% of the global population.
18. Which mountain range contains Mount Everest?
💡 Mount Everest is part of the Himalayan mountain range, located on the border of Nepal and Tibet.
19. Which planet rotates on its side with an axial tilt of about 98 degrees?
💡 Uranus has an axial tilt of 97.77 degrees, meaning it essentially rolls around the Sun on its side.
20. In what year did the Berlin Wall fall?
💡 The Berlin Wall fell on November 9, 1989, marking a pivotal moment in the end of the Cold War.