[ { "q": "What is the capital city of Australia?", "options": ["Canberra", "Sydney", "Melbourne", "Brisbane"], "answer": "Canberra", "difficulty": "easy", "category": "Geography" }, { "q": "Which country gifted the Statue of Liberty to the United States?", "options": ["France", "United Kingdom", "Germany", "Italy"], "answer": "France", "difficulty": "easy", "category": "History" }, { "q": "What is the chemical symbol for gold?", "options": ["Au", "Ag", "Go", "Gd"], "answer": "Au", "difficulty": "easy", "category": "Science & Nature" }, { "q": "Which planet in our solar system has the most moons?", "options": ["Saturn", "Jupiter", "Uranus", "Neptune"], "answer": "Saturn", "difficulty": "easy", "category": "Science & Nature" }, { "q": "Who wrote the novel '1984'?", "options": ["George Orwell", "Aldous Huxley", "H.G. Wells", "Ray Bradbury"], "answer": "George Orwell", "difficulty": "easy", "category": "Literature & Arts" }, { "q": "What is the largest desert in the world by area?", "options": [ "Antarctic Desert", "Sahara Desert", "Arabian Desert", "Gobi Desert" ], "answer": "Antarctic Desert", "difficulty": "easy", "category": "Geography" }, { "q": "Which country was the first to grant women the right to vote nationally?", "options": ["New Zealand", "Australia", "Finland", "Norway"], "answer": "New Zealand", "difficulty": "easy", "category": "History" }, { "q": "What is the most widely spoken language in the world by number of native speakers?", "options": ["Mandarin Chinese", "English", "Spanish", "Hindi"], "answer": "Mandarin Chinese", "difficulty": "easy", "category": "General Knowledge" }, { "q": "Which element makes up approximately 78% of Earth's atmosphere?", "options": ["Nitrogen", "Oxygen", "Argon", "Carbon dioxide"], "answer": "Nitrogen", "difficulty": "easy", "category": "Science & Nature" }, { "q": "The Magna Carta was signed in which year?", "options": ["1215", "1066", "1307", "1348"], "answer": "1215", "difficulty": "easy", "category": "History" }, { "q": "Which country produces the most coffee in the world?", "options": ["Brazil", "Colombia", "Vietnam", "Ethiopia"], "answer": "Brazil", "difficulty": "easy", "category": "Geography" }, { "q": "Who painted the Sistine Chapel ceiling?", "options": ["Michelangelo", "Leonardo da Vinci", "Raphael", "Botticelli"], "answer": "Michelangelo", "difficulty": "easy", "category": "Literature & Arts" }, { "q": "What does DNA stand for?", "options": [ "Deoxyribonucleic acid", "Dinitrogen amino acid", "Double nucleic acid", "Deoxynitrate acid" ], "answer": "Deoxyribonucleic acid", "difficulty": "easy", "category": "Science & Nature" }, { "q": "In which city were the 2000 Summer Olympics held?", "options": ["Sydney", "Athens", "Atlanta", "Barcelona"], "answer": "Sydney", "difficulty": "easy", "category": "Sports & Leisure" }, { "q": "Which ancient wonder stood at the entrance to the harbour of Rhodes?", "options": [ "The Colossus of Rhodes", "The Lighthouse of Alexandria", "The Temple of Artemis", "The Mausoleum at Halicarnassus" ], "answer": "The Colossus of Rhodes", "difficulty": "easy", "category": "History" }, { "q": "What is the name of the longest bone in the human body?", "options": ["Femur", "Tibia", "Humerus", "Fibula"], "answer": "Femur", "difficulty": "easy", "category": "Science & Nature" }, { "q": "Which philosopher is credited with the phrase 'I think, therefore I am'?", "options": ["René Descartes", "Immanuel Kant", "John Locke", "Aristotle"], "answer": "René Descartes", "difficulty": "easy", "category": "Literature & Arts" }, { "q": "What is the primary language spoken in Brazil?", "options": ["Portuguese", "Spanish", "French", "English"], "answer": "Portuguese", "difficulty": "easy", "category": "Geography" }, { "q": "Which country has won the FIFA World Cup the most times?", "options": ["Brazil", "Germany", "Italy", "Argentina"], "answer": "Brazil", "difficulty": "easy", "category": "Sports & Leisure" }, { "q": "What is the name of the deepest oceanic trench on Earth?", "options": [ "Mariana Trench", "Tonga Trench", "Philippine Trench", "Puerto Rico Trench" ], "answer": "Mariana Trench", "difficulty": "easy", "category": "Geography" }, { "q": "Which scientist proposed the theory of general relativity?", "options": ["Albert Einstein", "Isaac Newton", "Niels Bohr", "Max Planck"], "answer": "Albert Einstein", "difficulty": "easy", "category": "Science & Nature" }, { "q": "Who was the first person to walk on the Moon?", "options": [ "Neil Armstrong", "Buzz Aldrin", "Yuri Gagarin", "Michael Collins" ], "answer": "Neil Armstrong", "difficulty": "easy", "category": "History" }, { "q": "What is the capital city of Canada?", "options": ["Ottawa", "Toronto", "Vancouver", "Montreal"], "answer": "Ottawa", "difficulty": "easy", "category": "Geography" }, { "q": "Which is the smallest country in the world by land area?", "options": ["Vatican City", "Monaco", "Nauru", "San Marino"], "answer": "Vatican City", "difficulty": "easy", "category": "Geography" }, { "q": "What type of rock is formed from cooled lava or magma?", "options": ["Igneous", "Sedimentary", "Metamorphic", "Carbonate"], "answer": "Igneous", "difficulty": "easy", "category": "Science & Nature" }, { "q": "Who is credited with inventing the telephone in 1876?", "options": [ "Alexander Graham Bell", "Thomas Edison", "Nikola Tesla", "Guglielmo Marconi" ], "answer": "Alexander Graham Bell", "difficulty": "easy", "category": "History" }, { "q": "How many time zones does Russia span?", "options": ["11", "9", "13", "7"], "answer": "11", "difficulty": "easy", "category": "Geography" }, { "q": "What is the most abundant metal in Earth's crust?", "options": ["Aluminium", "Iron", "Calcium", "Silicon"], "answer": "Aluminium", "difficulty": "easy", "category": "Science & Nature" }, { "q": "Which country is home to the ancient rose-red city of Petra?", "options": ["Jordan", "Egypt", "Israel", "Saudi Arabia"], "answer": "Jordan", "difficulty": "easy", "category": "Geography" }, { "q": "Which element has the atomic number 1 on the periodic table?", "options": ["Hydrogen", "Helium", "Lithium", "Carbon"], "answer": "Hydrogen", "difficulty": "easy", "category": "Science & Nature" }, { "q": "What is the term for a word that reads the same forwards and backwards?", "options": ["Palindrome", "Anagram", "Acronym", "Homophone"], "answer": "Palindrome", "difficulty": "medium", "category": "Literature & Arts" }, { "q": "Which river is the longest in Europe?", "options": ["Volga", "Danube", "Rhine", "Dnieper"], "answer": "Volga", "difficulty": "medium", "category": "Geography" }, { "q": "What is the standard number of keys on a full-size piano?", "options": ["88", "76", "72", "84"], "answer": "88", "difficulty": "medium", "category": "Literature & Arts" }, { "q": "In economics, what term describes a market with only two competing sellers?", "options": ["Duopoly", "Oligopoly", "Monopsony", "Cartel"], "answer": "Duopoly", "difficulty": "medium", "category": "General Knowledge" }, { "q": "Which protein is responsible for transporting oxygen in red blood cells?", "options": ["Haemoglobin", "Albumin", "Myoglobin", "Fibrinogen"], "answer": "Haemoglobin", "difficulty": "medium", "category": "Science & Nature" }, { "q": "What is the term for the study of flags?", "options": ["Vexillology", "Heraldry", "Numismatics", "Sigillography"], "answer": "Vexillology", "difficulty": "medium", "category": "General Knowledge" }, { "q": "Which element was discovered by spectroscopy in the Sun before being found on Earth?", "options": ["Helium", "Neon", "Xenon", "Argon"], "answer": "Helium", "difficulty": "medium", "category": "Science & Nature" }, { "q": "In which country is the ancient temple complex of Angkor Wat located?", "options": ["Cambodia", "Thailand", "Vietnam", "Laos"], "answer": "Cambodia", "difficulty": "medium", "category": "Geography" }, { "q": "What is the name of the boundary around a black hole beyond which nothing can escape its gravity?", "options": [ "Event horizon", "Singularity", "Accretion disc", "Gravitational lens" ], "answer": "Event horizon", "difficulty": "medium", "category": "Science & Nature" }, { "q": "The Coriolis effect causes moving air to deflect in which direction in the Northern Hemisphere?", "options": ["To the right", "To the left", "Upward", "Downward"], "answer": "To the right", "difficulty": "medium", "category": "Science & Nature" }, { "q": "Which ancient civilisation built the city of Machu Picchu?", "options": ["Inca", "Aztec", "Maya", "Wari"], "answer": "Inca", "difficulty": "medium", "category": "History" }, { "q": "Which cognitive bias describes the tendency of unskilled individuals to overestimate their own competence?", "options": [ "Dunning-Kruger effect", "Confirmation bias", "Baader-Meinhof phenomenon", "Illusory superiority" ], "answer": "Dunning-Kruger effect", "difficulty": "medium", "category": "General Knowledge" }, { "q": "Which treaty formally ended the Thirty Years' War in 1648?", "options": [ "Peace of Westphalia", "Treaty of Tordesillas", "Peace of Utrecht", "Treaty of Vienna" ], "answer": "Peace of Westphalia", "difficulty": "medium", "category": "History" }, { "q": "What is the half-life of Carbon-14?", "options": ["5,730 years", "10,000 years", "1,600 years", "3,200 years"], "answer": "5,730 years", "difficulty": "medium", "category": "Science & Nature" }, { "q": "Which country holds the world's largest proven oil reserves?", "options": ["Venezuela", "Saudi Arabia", "Iran", "Canada"], "answer": "Venezuela", "difficulty": "medium", "category": "Geography" }, { "q": "What is the name of the atmospheric layer directly above the troposphere?", "options": ["Stratosphere", "Mesosphere", "Thermosphere", "Exosphere"], "answer": "Stratosphere", "difficulty": "medium", "category": "Science & Nature" }, { "q": "Which South American country is named after the liberator Simón Bolívar?", "options": ["Bolivia", "Colombia", "Venezuela", "Ecuador"], "answer": "Bolivia", "difficulty": "medium", "category": "History" }, { "q": "In which year did the Human Genome Project publish its first working draft sequence?", "options": ["2000", "1998", "2003", "1996"], "answer": "2000", "difficulty": "medium", "category": "Science & Nature" }, { "q": "What is Euler's number (e) to five decimal places?", "options": ["2.71828", "3.14159", "1.61803", "1.41421"], "answer": "2.71828", "difficulty": "medium", "category": "Science & Nature" }, { "q": "Which gas is produced when an acid reacts with a metal carbonate?", "options": ["Carbon dioxide", "Hydrogen", "Oxygen", "Nitrogen"], "answer": "Carbon dioxide", "difficulty": "medium", "category": "Science & Nature" }, { "q": "Which city hosted the first modern Olympic Games in 1896?", "options": ["Athens", "Paris", "London", "Berlin"], "answer": "Athens", "difficulty": "medium", "category": "Sports & Leisure" }, { "q": "In which ocean is the island of Madagascar located?", "options": [ "Indian Ocean", "Atlantic Ocean", "Pacific Ocean", "Southern Ocean" ], "answer": "Indian Ocean", "difficulty": "medium", "category": "Geography" }, { "q": "Which philosopher wrote 'The Republic'?", "options": ["Plato", "Aristotle", "Socrates", "Thucydides"], "answer": "Plato", "difficulty": "medium", "category": "Literature & Arts" }, { "q": "What is the most common isotope of carbon found in nature?", "options": ["Carbon-12", "Carbon-13", "Carbon-14", "Carbon-11"], "answer": "Carbon-12", "difficulty": "medium", "category": "Science & Nature" }, { "q": "The Battle of Thermopylae was fought between the Greeks and which opposing force?", "options": [ "The Persian Empire", "The Roman Empire", "The Ottoman Empire", "The Macedonian Empire" ], "answer": "The Persian Empire", "difficulty": "medium", "category": "History" }, { "q": "What does the legal term 'habeas corpus' literally translate to?", "options": [ "You shall have the body", "Show the evidence", "Let the matter rest", "Burden of proof" ], "answer": "You shall have the body", "difficulty": "medium", "category": "History" }, { "q": "Which country has the longest coastline in the world?", "options": ["Canada", "Russia", "Norway", "Indonesia"], "answer": "Canada", "difficulty": "medium", "category": "Geography" }, { "q": "Which part of the brain regulates hunger, thirst, and body temperature?", "options": ["Hypothalamus", "Hippocampus", "Amygdala", "Cerebellum"], "answer": "Hypothalamus", "difficulty": "medium", "category": "Science & Nature" }, { "q": "In which year did the Soviet Union officially dissolve?", "options": ["1991", "1989", "1993", "1985"], "answer": "1991", "difficulty": "medium", "category": "History" }, { "q": "What nationality was the astronomer Nicolaus Copernicus?", "options": ["Polish", "German", "Italian", "Czech"], "answer": "Polish", "difficulty": "medium", "category": "History" }, { "q": "Which neurotransmitter is primarily associated with reward, motivation, and pleasure?", "options": ["Dopamine", "Serotonin", "Acetylcholine", "Norepinephrine"], "answer": "Dopamine", "difficulty": "medium", "category": "Science & Nature" }, { "q": "Which African country was formerly known as Abyssinia?", "options": ["Ethiopia", "Eritrea", "Sudan", "Somalia"], "answer": "Ethiopia", "difficulty": "medium", "category": "History" }, { "q": "What was the name of the world's first artificial satellite, launched by the Soviet Union in 1957?", "options": ["Sputnik 1", "Vostok 1", "Mir", "Explorer 1"], "answer": "Sputnik 1", "difficulty": "medium", "category": "History" }, { "q": "The narrow body of water separating Europe from Africa at the western Mediterranean is called what?", "options": [ "Strait of Gibraltar", "Strait of Messina", "Bosphorus", "Dardanelles" ], "answer": "Strait of Gibraltar", "difficulty": "medium", "category": "Geography" }, { "q": "Which economic theory advocates for government spending to stimulate demand during recessions?", "options": [ "Keynesian economics", "Monetarism", "Supply-side economics", "Laissez-faire economics" ], "answer": "Keynesian economics", "difficulty": "medium", "category": "General Knowledge" }, { "q": "What is the term for the minimum amount of fissile material needed to sustain a nuclear chain reaction?", "options": [ "Critical mass", "Fission threshold", "Chain mass", "Reaction minimum" ], "answer": "Critical mass", "difficulty": "hard", "category": "Science & Nature" }, { "q": "Which 19th-century mathematician independently developed a non-Euclidean geometry alongside Gauss and Bolyai?", "options": [ "Nikolai Lobachevsky", "Henri Poincaré", "Bernhard Riemann", "Augustin-Louis Cauchy" ], "answer": "Nikolai Lobachevsky", "difficulty": "hard", "category": "Science & Nature" }, { "q": "What is the subfield of linguistics concerned with the meaning of language in context?", "options": ["Pragmatics", "Semantics", "Syntax", "Morphology"], "answer": "Pragmatics", "difficulty": "hard", "category": "Literature & Arts" }, { "q": "The Monroe Doctrine of 1823 was primarily a response to the threat of intervention from which alliance?", "options": [ "The Holy Alliance", "The Austro-Hungarian Empire", "The British Empire", "The Ottoman Empire" ], "answer": "The Holy Alliance", "difficulty": "hard", "category": "History" }, { "q": "What is the SI unit of electrical capacitance?", "options": ["Farad", "Henry", "Siemens", "Weber"], "answer": "Farad", "difficulty": "hard", "category": "Science & Nature" }, { "q": "Which philosopher introduced the concept of the 'categorical imperative'?", "options": [ "Immanuel Kant", "Georg Hegel", "Arthur Schopenhauer", "Friedrich Nietzsche" ], "answer": "Immanuel Kant", "difficulty": "hard", "category": "Literature & Arts" }, { "q": "In molecular biology, what is the name for the process by which mRNA is decoded to build a protein?", "options": ["Translation", "Transcription", "Replication", "Transduction"], "answer": "Translation", "difficulty": "hard", "category": "Science & Nature" }, { "q": "Which empire dominated the global spice trade in the 16th century until displaced by Dutch traders?", "options": [ "Portuguese Empire", "Spanish Empire", "Ottoman Empire", "Venetian Republic" ], "answer": "Portuguese Empire", "difficulty": "hard", "category": "History" }, { "q": "What name is given to the logical fallacy of citing an authority who lacks expertise in the relevant field?", "options": [ "Appeal to false authority", "Ad hominem", "Straw man", "Post hoc ergo propter hoc" ], "answer": "Appeal to false authority", "difficulty": "hard", "category": "Literature & Arts" }, { "q": "The Bretton Woods system, established in 1944, pegged world currencies to what standard?", "options": [ "The US dollar convertible to gold", "The British pound sterling", "A basket of commodities", "IMF special drawing rights" ], "answer": "The US dollar convertible to gold", "difficulty": "hard", "category": "History" }, { "q": "What quantum phenomenon describes two particles remaining correlated regardless of the distance between them?", "options": [ "Quantum entanglement", "Wave-particle duality", "Quantum tunnelling", "Superposition" ], "answer": "Quantum entanglement", "difficulty": "hard", "category": "Science & Nature" }, { "q": "Which Roman emperor issued the Edict of Milan in 313 AD, granting religious tolerance across the empire?", "options": ["Constantine I", "Diocletian", "Theodosius I", "Nero"], "answer": "Constantine I", "difficulty": "hard", "category": "History" }, { "q": "What is the theoretical maximum rate at which information can be reliably transmitted over a noisy channel?", "options": [ "Shannon limit", "Nyquist rate", "Bandwidth ceiling", "Signal threshold" ], "answer": "Shannon limit", "difficulty": "hard", "category": "Science & Nature" }, { "q": "Japan's rapid 19th-century industrialisation following the end of feudal rule is known as what?", "options": [ "The Meiji Restoration", "The Taisho Democracy", "The Edo Reformation", "The Showa Renewal" ], "answer": "The Meiji Restoration", "difficulty": "hard", "category": "History" }, { "q": "What paradox highlights the apparent contradiction between the high probability of alien life and the total absence of evidence for it?", "options": [ "Fermi paradox", "Drake equation", "Olbers' paradox", "Anthropic principle" ], "answer": "Fermi paradox", "difficulty": "hard", "category": "Science & Nature" }, { "q": "The Scramble for Africa was largely formalised at which European conference?", "options": [ "Berlin Conference 1884–85", "Congress of Vienna 1815", "Treaty of Paris 1856", "Algeciras Conference 1906" ], "answer": "Berlin Conference 1884–85", "difficulty": "hard", "category": "History" }, { "q": "What is the term for the biological process where unrelated species independently evolve similar traits?", "options": [ "Convergent evolution", "Parallel evolution", "Divergent evolution", "Co-evolution" ], "answer": "Convergent evolution", "difficulty": "hard", "category": "Science & Nature" }, { "q": "What painting technique involves applying thick, textured paint directly onto the canvas to create physical depth?", "options": ["Impasto", "Chiaroscuro", "Sfumato", "Trompe l'oeil"], "answer": "Impasto", "difficulty": "hard", "category": "Literature & Arts" }, { "q": "In classical music, what is the standard term for a multi-movement composition for a solo instrument and orchestra?", "options": ["Concerto", "Sonata", "Symphony", "Sinfonietta"], "answer": "Concerto", "difficulty": "hard", "category": "Literature & Arts" }, { "q": "What is the name of the ancient Greek concept describing an ideal state of human flourishing and well-lived life?", "options": ["Eudaimonia", "Ataraxia", "Arete", "Logos"], "answer": "Eudaimonia", "difficulty": "hard", "category": "Literature & Arts" }, { "q": "What is the name of the process by which a caterpillar transforms into a butterfly inside a chrysalis?", "options": ["Metamorphosis", "Pupation", "Ecdysis", "Morphogenesis"], "answer": "Metamorphosis", "difficulty": "medium", "category": "Science & Nature" }, { "q": "Which war was ended by the Treaty of Versailles in 1919?", "options": [ "World War I", "The Franco-Prussian War", "The Crimean War", "The Boer War" ], "answer": "World War I", "difficulty": "medium", "category": "History" }, { "q": "What is the name of the scale used to measure the hardness of minerals?", "options": [ "Mohs scale", "Richter scale", "Beaufort scale", "Saffir-Simpson scale" ], "answer": "Mohs scale", "difficulty": "medium", "category": "Science & Nature" }, { "q": "Which city served as the capital of the Byzantine Empire?", "options": ["Constantinople", "Athens", "Alexandria", "Antioch"], "answer": "Constantinople", "difficulty": "medium", "category": "History" }, { "q": "What is the name of the mathematical sequence where each number is the sum of the two preceding ones?", "options": [ "Fibonacci sequence", "Pascal's triangle", "Geometric progression", "Harmonic series" ], "answer": "Fibonacci sequence", "difficulty": "medium", "category": "Science & Nature" }, { "q": "Which hormone is produced by the pancreas to regulate blood sugar levels?", "options": ["Insulin", "Glucagon", "Cortisol", "Adrenaline"], "answer": "Insulin", "difficulty": "medium", "category": "Science & Nature" }, { "q": "The Impressionist art movement originated in which country?", "options": ["France", "Italy", "Germany", "England"], "answer": "France", "difficulty": "medium", "category": "Literature & Arts" }, { "q": "What is the term for a government in which religious leaders hold political power?", "options": ["Theocracy", "Oligarchy", "Plutocracy", "Technocracy"], "answer": "Theocracy", "difficulty": "medium", "category": "General Knowledge" }, { "q": "Which chemical process causes iron to rust when exposed to oxygen and water?", "options": ["Oxidation", "Reduction", "Hydrolysis", "Combustion"], "answer": "Oxidation", "difficulty": "medium", "category": "Science & Nature" }, { "q": "What is the name of the optical illusion where parallel lines appear to converge in the distance?", "options": ["Perspective", "Foreshortening", "Trompe l'oeil", "Parallax"], "answer": "Perspective", "difficulty": "medium", "category": "Literature & Arts" }, { "q": "Which war was sparked by the assassination of Archduke Franz Ferdinand in 1914?", "options": [ "World War I", "The Austro-Prussian War", "The Balkan War", "The Crimean War" ], "answer": "World War I", "difficulty": "medium", "category": "History" }, { "q": "What is the name for the point in Earth's orbit when it is closest to the Sun?", "options": ["Perihelion", "Aphelion", "Perigee", "Apogee"], "answer": "Perihelion", "difficulty": "medium", "category": "Science & Nature" }, { "q": "Which author wrote 'Crime and Punishment'?", "options": [ "Fyodor Dostoevsky", "Leo Tolstoy", "Ivan Turgenev", "Anton Chekhov" ], "answer": "Fyodor Dostoevsky", "difficulty": "medium", "category": "Literature & Arts" }, { "q": "What does the prefix 'kilo' represent in the metric system?", "options": ["One thousand", "One hundred", "One million", "Ten thousand"], "answer": "One thousand", "difficulty": "medium", "category": "General Knowledge" }, { "q": "The Great Barrier Reef is located off the coast of which Australian state?", "options": [ "Queensland", "New South Wales", "Western Australia", "Northern Territory" ], "answer": "Queensland", "difficulty": "medium", "category": "Geography" }, { "q": "What is the chemical symbol for silver?", "options": ["Si", "Ag", "Au", "Sr"], "answer": "Ag", "difficulty": "easy", "category": "Science & Nature" }, { "q": "Who wrote 'Pride and Prejudice'?", "options": [ "Charlotte Brontë", "Jane Austen", "George Eliot", "Mary Shelley" ], "answer": "Jane Austen", "difficulty": "easy", "category": "Literature & Arts" }, { "q": "What is the capital of Japan?", "options": ["Osaka", "Kyoto", "Tokyo", "Hiroshima"], "answer": "Tokyo", "difficulty": "easy", "category": "Geography" }, { "q": "How many sides does a hexagon have?", "options": ["5", "6", "7", "8"], "answer": "6", "difficulty": "easy", "category": "General Knowledge" }, { "q": "Which planet is known as the Red Planet?", "options": ["Venus", "Jupiter", "Saturn", "Mars"], "answer": "Mars", "difficulty": "easy", "category": "Science & Nature" }, { "q": "Who painted the Mona Lisa?", "options": ["Michelangelo", "Raphael", "Leonardo da Vinci", "Donatello"], "answer": "Leonardo da Vinci", "difficulty": "easy", "category": "Literature & Arts" }, { "q": "What is the largest ocean on Earth?", "options": ["Atlantic", "Indian", "Arctic", "Pacific"], "answer": "Pacific", "difficulty": "easy", "category": "Geography" }, { "q": "In which year did World War II end?", "options": ["1943", "1944", "1945", "1946"], "answer": "1945", "difficulty": "easy", "category": "History" }, { "q": "What gas do plants absorb during photosynthesis?", "options": ["Oxygen", "Nitrogen", "Carbon dioxide", "Hydrogen"], "answer": "Carbon dioxide", "difficulty": "easy", "category": "Science & Nature" }, { "q": "Which country is home to the Great Barrier Reef?", "options": ["New Zealand", "Indonesia", "Philippines", "Australia"], "answer": "Australia", "difficulty": "easy", "category": "Geography" }, { "q": "How many bones are in the adult human body?", "options": ["196", "206", "216", "226"], "answer": "206", "difficulty": "easy", "category": "Science & Nature" }, { "q": "Who wrote 'Romeo and Juliet'?", "options": [ "Christopher Marlowe", "Ben Jonson", "John Milton", "William Shakespeare" ], "answer": "William Shakespeare", "difficulty": "easy", "category": "Literature & Arts" }, { "q": "What is the capital of Germany?", "options": ["Munich", "Hamburg", "Frankfurt", "Berlin"], "answer": "Berlin", "difficulty": "easy", "category": "Geography" }, { "q": "Which metal is liquid at room temperature?", "options": ["Gallium", "Lead", "Tin", "Mercury"], "answer": "Mercury", "difficulty": "easy", "category": "Science & Nature" }, { "q": "Which continent is the largest by land area?", "options": ["Africa", "North America", "South America", "Asia"], "answer": "Asia", "difficulty": "easy", "category": "Geography" }, { "q": "What is the currency of Japan?", "options": ["Yuan", "Won", "Yen", "Baht"], "answer": "Yen", "difficulty": "easy", "category": "General Knowledge" }, { "q": "In which century did the Renaissance begin?", "options": ["12th", "13th", "14th", "15th"], "answer": "14th", "difficulty": "easy", "category": "History" }, { "q": "What is the tallest mountain in the world?", "options": ["K2", "Kangchenjunga", "Lhotse", "Mount Everest"], "answer": "Mount Everest", "difficulty": "easy", "category": "Geography" }, { "q": "Which organ produces insulin?", "options": ["Liver", "Kidney", "Spleen", "Pancreas"], "answer": "Pancreas", "difficulty": "easy", "category": "Science & Nature" }, { "q": "Who was the first President of the United States?", "options": [ "John Adams", "Benjamin Franklin", "Thomas Jefferson", "George Washington" ], "answer": "George Washington", "difficulty": "easy", "category": "History" }, { "q": "What is the smallest planet in our solar system?", "options": ["Mars", "Venus", "Mercury", "Pluto"], "answer": "Mercury", "difficulty": "easy", "category": "Science & Nature" }, { "q": "Who composed the 'Four Seasons'?", "options": ["Bach", "Mozart", "Handel", "Vivaldi"], "answer": "Vivaldi", "difficulty": "easy", "category": "Literature & Arts" }, { "q": "What is the chemical formula for water?", "options": ["HO", "H2O", "H3O", "H2O2"], "answer": "H2O", "difficulty": "easy", "category": "Science & Nature" }, { "q": "Which country is the largest by total area?", "options": ["China", "Canada", "USA", "Russia"], "answer": "Russia", "difficulty": "easy", "category": "Geography" }, { "q": "Who wrote 'The Great Gatsby'?", "options": [ "Ernest Hemingway", "John Steinbeck", "F. Scott Fitzgerald", "William Faulkner" ], "answer": "F. Scott Fitzgerald", "difficulty": "easy", "category": "Literature & Arts" }, { "q": "What year did the Berlin Wall fall?", "options": ["1987", "1988", "1989", "1991"], "answer": "1989", "difficulty": "easy", "category": "History" }, { "q": "Which animal is the largest living land mammal?", "options": [ "Hippopotamus", "White rhinoceros", "Giraffe", "African elephant" ], "answer": "African elephant", "difficulty": "easy", "category": "Science & Nature" }, { "q": "What is the capital of Brazil?", "options": ["São Paulo", "Rio de Janeiro", "Brasília", "Salvador"], "answer": "Brasília", "difficulty": "easy", "category": "Geography" }, { "q": "Which Greek god is associated with the sun?", "options": ["Zeus", "Hermes", "Apollo", "Ares"], "answer": "Apollo", "difficulty": "medium", "category": "History" }, { "q": "What is the speed of light in a vacuum approximately?", "options": ["200,000 km/s", "250,000 km/s", "300,000 km/s", "350,000 km/s"], "answer": "300,000 km/s", "difficulty": "medium", "category": "Science & Nature" }, { "q": "Who wrote 'Crime and Punishment'?", "options": [ "Leo Tolstoy", "Anton Chekhov", "Fyodor Dostoevsky", "Ivan Turgenev" ], "answer": "Fyodor Dostoevsky", "difficulty": "medium", "category": "Literature & Arts" }, { "q": "Which African country has the most pyramids?", "options": ["Egypt", "Libya", "Algeria", "Sudan"], "answer": "Sudan", "difficulty": "medium", "category": "History" }, { "q": "What is the process by which rocks are broken down by weather?", "options": ["Erosion", "Weathering", "Deposition", "Metamorphism"], "answer": "Weathering", "difficulty": "medium", "category": "Science & Nature" }, { "q": "Which empire was ruled by Suleiman the Magnificent?", "options": ["Mongol", "Persian", "Byzantine", "Ottoman"], "answer": "Ottoman", "difficulty": "medium", "category": "History" }, { "q": "In which country is the Atacama Desert?", "options": ["Argentina", "Peru", "Bolivia", "Chile"], "answer": "Chile", "difficulty": "medium", "category": "Geography" }, { "q": "What is the literary term for attributing human qualities to non-human things?", "options": ["Metaphor", "Simile", "Personification", "Alliteration"], "answer": "Personification", "difficulty": "medium", "category": "Literature & Arts" }, { "q": "Which element is the most abundant in the universe?", "options": ["Helium", "Carbon", "Oxygen", "Hydrogen"], "answer": "Hydrogen", "difficulty": "medium", "category": "Science & Nature" }, { "q": "Which war was ended by the Treaty of Versailles?", "options": [ "Crimean War", "Napoleonic Wars", "World War I", "World War II" ], "answer": "World War I", "difficulty": "medium", "category": "History" }, { "q": "What is the capital of Argentina?", "options": ["Montevideo", "Santiago", "Lima", "Buenos Aires"], "answer": "Buenos Aires", "difficulty": "medium", "category": "Geography" }, { "q": "Who wrote 'Don Quixote'?", "options": [ "Lope de Vega", "Francisco de Quevedo", "Miguel de Cervantes", "Tirso de Molina" ], "answer": "Miguel de Cervantes", "difficulty": "medium", "category": "Literature & Arts" }, { "q": "Which layer of the Earth is the thickest?", "options": ["Crust", "Outer core", "Inner core", "Mantle"], "answer": "Mantle", "difficulty": "medium", "category": "Science & Nature" }, { "q": "In which year did the French Revolution begin?", "options": ["1776", "1783", "1789", "1799"], "answer": "1789", "difficulty": "medium", "category": "History" }, { "q": "Which country has the most UNESCO World Heritage Sites?", "options": ["China", "Italy", "France", "Spain"], "answer": "Italy", "difficulty": "medium", "category": "Geography" }, { "q": "What is the term for a word opposite in meaning to another?", "options": ["Synonym", "Homonym", "Antonym", "Acronym"], "answer": "Antonym", "difficulty": "medium", "category": "Literature & Arts" }, { "q": "How many chambers does the human heart have?", "options": ["2", "3", "4", "5"], "answer": "4", "difficulty": "medium", "category": "Science & Nature" }, { "q": "Which dynasty built the Great Wall of China?", "options": ["Han", "Tang", "Ming", "Qing"], "answer": "Ming", "difficulty": "medium", "category": "History" }, { "q": "What is the capital of Nigeria?", "options": ["Lagos", "Kano", "Ibadan", "Abuja"], "answer": "Abuja", "difficulty": "medium", "category": "Geography" }, { "q": "Who composed 'The Magic Flute'?", "options": ["Beethoven", "Haydn", "Schubert", "Mozart"], "answer": "Mozart", "difficulty": "medium", "category": "Literature & Arts" }, { "q": "What is the hardest natural substance on Earth?", "options": ["Quartz", "Topaz", "Corundum", "Diamond"], "answer": "Diamond", "difficulty": "medium", "category": "Science & Nature" }, { "q": "Which Roman emperor converted to Christianity?", "options": ["Nero", "Hadrian", "Marcus Aurelius", "Constantine"], "answer": "Constantine", "difficulty": "medium", "category": "History" }, { "q": "Which river flows through London?", "options": ["Severn", "Avon", "Mersey", "Thames"], "answer": "Thames", "difficulty": "medium", "category": "Geography" }, { "q": "Who wrote 'Madame Bovary'?", "options": [ "Emile Zola", "Victor Hugo", "Alexandre Dumas", "Gustave Flaubert" ], "answer": "Gustave Flaubert", "difficulty": "medium", "category": "Literature & Arts" }, { "q": "What is the SI unit of electric current?", "options": ["Volt", "Ohm", "Watt", "Ampere"], "answer": "Ampere", "difficulty": "medium", "category": "Science & Nature" }, { "q": "Which battle marked the end of Napoleon's rule?", "options": ["Austerlitz", "Trafalgar", "Leipzig", "Waterloo"], "answer": "Waterloo", "difficulty": "medium", "category": "History" }, { "q": "In which country is the Serengeti National Park?", "options": ["Kenya", "Uganda", "Zambia", "Tanzania"], "answer": "Tanzania", "difficulty": "medium", "category": "Geography" }, { "q": "Who painted 'The Starry Night'?", "options": [ "Paul Gauguin", "Georges Seurat", "Paul Cézanne", "Vincent van Gogh" ], "answer": "Vincent van Gogh", "difficulty": "medium", "category": "Literature & Arts" }, { "q": "What type of bond holds water molecules together through hydrogen bonding?", "options": ["Covalent", "Ionic", "Hydrogen", "Metallic"], "answer": "Hydrogen", "difficulty": "medium", "category": "Science & Nature" }, { "q": "Which civilization developed the first writing system?", "options": ["Egyptians", "Indus Valley", "Sumerians", "Chinese"], "answer": "Sumerians", "difficulty": "medium", "category": "History" }, { "q": "What is the capital of South Korea?", "options": ["Busan", "Incheon", "Pyongyang", "Seoul"], "answer": "Seoul", "difficulty": "medium", "category": "Geography" }, { "q": "Who wrote 'Ulysses'?", "options": ["Samuel Beckett", "W.B. Yeats", "Oscar Wilde", "James Joyce"], "answer": "James Joyce", "difficulty": "medium", "category": "Literature & Arts" }, { "q": "What is the most common blood type in humans?", "options": ["A positive", "B positive", "AB positive", "O positive"], "answer": "O positive", "difficulty": "medium", "category": "Science & Nature" }, { "q": "Which country did the Vikings originate from?", "options": ["Germany", "Denmark, Norway and Sweden", "Finland", "Iceland"], "answer": "Denmark, Norway and Sweden", "difficulty": "medium", "category": "History" }, { "q": "Which sea lies between Europe and Africa?", "options": ["Red Sea", "Black Sea", "Caspian Sea", "Mediterranean Sea"], "answer": "Mediterranean Sea", "difficulty": "medium", "category": "Geography" }, { "q": "Who sculpted 'David'?", "options": ["Leonardo da Vinci", "Raphael", "Donatello", "Michelangelo"], "answer": "Michelangelo", "difficulty": "medium", "category": "Literature & Arts" }, { "q": "What is the powerhouse of the cell?", "options": ["Nucleus", "Ribosome", "Golgi apparatus", "Mitochondria"], "answer": "Mitochondria", "difficulty": "medium", "category": "Science & Nature" }, { "q": "In which year did the American Civil War begin?", "options": ["1858", "1859", "1861", "1863"], "answer": "1861", "difficulty": "medium", "category": "History" }, { "q": "Which country contains the most fresh water?", "options": ["Brazil", "USA", "China", "Canada"], "answer": "Brazil", "difficulty": "medium", "category": "Geography" }, { "q": "Who wrote 'Anna Karenina'?", "options": [ "Fyodor Dostoevsky", "Ivan Turgenev", "Anton Chekhov", "Leo Tolstoy" ], "answer": "Leo Tolstoy", "difficulty": "medium", "category": "Literature & Arts" }, { "q": "What is the process by which a solid turns directly into a gas?", "options": ["Evaporation", "Condensation", "Sublimation", "Deposition"], "answer": "Sublimation", "difficulty": "medium", "category": "Science & Nature" }, { "q": "Which empire was the largest in history by land area?", "options": [ "Roman Empire", "Mongol Empire", "British Empire", "Ottoman Empire" ], "answer": "British Empire", "difficulty": "medium", "category": "History" }, { "q": "What is the capital of Turkey?", "options": ["Istanbul", "Izmir", "Bursa", "Ankara"], "answer": "Ankara", "difficulty": "medium", "category": "Geography" }, { "q": "Who wrote 'Hamlet'?", "options": [ "Ben Jonson", "Christopher Marlowe", "John Webster", "William Shakespeare" ], "answer": "William Shakespeare", "difficulty": "medium", "category": "Literature & Arts" }, { "q": "Which vitamin is produced when skin is exposed to sunlight?", "options": ["Vitamin A", "Vitamin C", "Vitamin D", "Vitamin E"], "answer": "Vitamin D", "difficulty": "medium", "category": "Science & Nature" }, { "q": "Which ancient structure is located on the Giza Plateau?", "options": [ "The Colosseum", "The Parthenon", "The Great Sphinx", "The Pantheon" ], "answer": "The Great Sphinx", "difficulty": "medium", "category": "History" }, { "q": "In which ocean is Madagascar located?", "options": ["Atlantic", "Pacific", "Indian", "Southern"], "answer": "Indian", "difficulty": "medium", "category": "Geography" }, { "q": "Who wrote 'The Canterbury Tales'?", "options": [ "John Gower", "William Langland", "John Lydgate", "Geoffrey Chaucer" ], "answer": "Geoffrey Chaucer", "difficulty": "medium", "category": "Literature & Arts" }, { "q": "What is Newton's second law of motion expressed as?", "options": ["F = mv", "F = ma", "E = mc²", "p = mv"], "answer": "F = ma", "difficulty": "medium", "category": "Science & Nature" }, { "q": "Which country was the first to industrialise?", "options": ["France", "Germany", "USA", "United Kingdom"], "answer": "United Kingdom", "difficulty": "medium", "category": "History" }, { "q": "What is the capital of South Africa's legislative branch?", "options": ["Johannesburg", "Pretoria", "Durban", "Cape Town"], "answer": "Cape Town", "difficulty": "medium", "category": "Geography" }, { "q": "Which artist created the 'Campbell's Soup Cans' series?", "options": [ "Roy Lichtenstein", "Jasper Johns", "Robert Rauschenberg", "Andy Warhol" ], "answer": "Andy Warhol", "difficulty": "medium", "category": "Literature & Arts" }, { "q": "What percentage of the Earth's surface is covered by water?", "options": ["61%", "67%", "71%", "78%"], "answer": "71%", "difficulty": "medium", "category": "Science & Nature" }, { "q": "Which century did the Black Death devastate Europe?", "options": ["12th", "13th", "14th", "15th"], "answer": "14th", "difficulty": "medium", "category": "History" }, { "q": "Which country is home to the Amazon River?", "options": ["Colombia", "Peru", "Venezuela", "Brazil"], "answer": "Brazil", "difficulty": "medium", "category": "Geography" }, { "q": "Who wrote 'Moby Dick'?", "options": [ "Nathaniel Hawthorne", "Edgar Allan Poe", "Herman Melville", "Mark Twain" ], "answer": "Herman Melville", "difficulty": "medium", "category": "Literature & Arts" }, { "q": "Which gas makes up the majority of the atmosphere of Venus?", "options": ["Nitrogen", "Oxygen", "Methane", "Carbon dioxide"], "answer": "Carbon dioxide", "difficulty": "medium", "category": "Science & Nature" }, { "q": "What was the name of the first satellite launched into orbit?", "options": ["Explorer 1", "Vanguard 1", "Luna 1", "Sputnik 1"], "answer": "Sputnik 1", "difficulty": "medium", "category": "History" }, { "q": "Which mountain range separates Europe from Asia?", "options": ["Caucasus", "Alps", "Carpathians", "Urals"], "answer": "Urals", "difficulty": "medium", "category": "Geography" }, { "q": "Who wrote 'In Search of Lost Time'?", "options": [ "André Gide", "Émile Zola", "Gustave Flaubert", "Marcel Proust" ], "answer": "Marcel Proust", "difficulty": "hard", "category": "Literature & Arts" }, { "q": "What is the Chandrasekhar limit?", "options": [ "Maximum mass of a white dwarf", "Minimum mass of a neutron star", "Maximum size of a black hole", "Speed at which stars collapse" ], "answer": "Maximum mass of a white dwarf", "difficulty": "hard", "category": "Science & Nature" }, { "q": "Which battle in 1571 ended Ottoman naval expansion in the Mediterranean?", "options": [ "Battle of Tours", "Battle of Manzikert", "Battle of Kosovo", "Battle of Lepanto" ], "answer": "Battle of Lepanto", "difficulty": "hard", "category": "History" }, { "q": "What is the capital of Kazakhstan?", "options": ["Almaty", "Shymkent", "Astana", "Aktobe"], "answer": "Astana", "difficulty": "hard", "category": "Geography" }, { "q": "Who composed the opera 'Tristan und Isolde'?", "options": ["Verdi", "Puccini", "Brahms", "Wagner"], "answer": "Wagner", "difficulty": "hard", "category": "Literature & Arts" }, { "q": "What quantum number describes the shape of an electron's orbital?", "options": ["Principal", "Magnetic", "Spin", "Azimuthal"], "answer": "Azimuthal", "difficulty": "hard", "category": "Science & Nature" }, { "q": "Which Mughal emperor built the Taj Mahal?", "options": ["Akbar", "Aurangzeb", "Humayun", "Shah Jahan"], "answer": "Shah Jahan", "difficulty": "hard", "category": "History" }, { "q": "Which country has the largest number of active volcanoes?", "options": ["Japan", "Chile", "Indonesia", "Iceland"], "answer": "Indonesia", "difficulty": "hard", "category": "Geography" }, { "q": "Who wrote 'The Brothers Karamazov'?", "options": [ "Leo Tolstoy", "Ivan Turgenev", "Nikolai Gogol", "Fyodor Dostoevsky" ], "answer": "Fyodor Dostoevsky", "difficulty": "hard", "category": "Literature & Arts" }, { "q": "What is the Heisenberg Uncertainty Principle?", "options": [ "Energy cannot be created or destroyed", "The position and momentum of a particle cannot both be precisely known", "Light travels at constant speed in vacuum", "Electrons orbit in discrete energy levels" ], "answer": "The position and momentum of a particle cannot both be precisely known", "difficulty": "hard", "category": "Science & Nature" }, { "q": "What was the name of the last Byzantine emperor?", "options": ["Alexios IV", "Manuel II", "John VIII", "Constantine XI"], "answer": "Constantine XI", "difficulty": "hard", "category": "History" }, { "q": "The Dasht-e Kavir is a desert in which country?", "options": ["Afghanistan", "Pakistan", "Uzbekistan", "Iran"], "answer": "Iran", "difficulty": "hard", "category": "Geography" }, { "q": "Which novelist wrote 'Middlemarch'?", "options": [ "Charlotte Brontë", "Elizabeth Gaskell", "Anthony Trollope", "George Eliot" ], "answer": "George Eliot", "difficulty": "hard", "category": "Literature & Arts" }, { "q": "What is the phenomenon where a supercooled liquid flows with zero viscosity?", "options": [ "Superfluidity", "Superconductivity", "Ferromagnetism", "Bose-Einstein condensation" ], "answer": "Superfluidity", "difficulty": "hard", "category": "Science & Nature" }, { "q": "The Scramble for Africa was largely concluded at which conference?", "options": [ "Congress of Vienna", "Treaty of Westphalia", "Conference of Berlin", "Treaty of Versailles" ], "answer": "Conference of Berlin", "difficulty": "hard", "category": "History" }, { "q": "What is the name of the deepest lake in the world?", "options": [ "Lake Superior", "Caspian Sea", "Lake Tanganyika", "Lake Baikal" ], "answer": "Lake Baikal", "difficulty": "hard", "category": "Geography" }, { "q": "Who wrote 'One Hundred Years of Solitude'?", "options": [ "Mario Vargas Llosa", "Carlos Fuentes", "Jorge Luis Borges", "Gabriel García Márquez" ], "answer": "Gabriel García Márquez", "difficulty": "hard", "category": "Literature & Arts" }, { "q": "What is the name for the minimum energy required to remove an electron from an atom?", "options": [ "Binding energy", "Activation energy", "Ionisation energy", "Lattice energy" ], "answer": "Ionisation energy", "difficulty": "hard", "category": "Science & Nature" }, { "q": "Which pharaoh built the first pyramid at Saqqara?", "options": ["Khufu", "Sneferu", "Djoser", "Menkaure"], "answer": "Djoser", "difficulty": "hard", "category": "History" }, { "q": "In which country is the Namib Desert?", "options": ["Angola", "Botswana", "Mozambique", "Namibia"], "answer": "Namibia", "difficulty": "hard", "category": "Geography" }, { "q": "Who wrote 'The Master and Margarita'?", "options": [ "Mikhail Sholokhov", "Boris Pasternak", "Andrei Platonov", "Mikhail Bulgakov" ], "answer": "Mikhail Bulgakov", "difficulty": "hard", "category": "Literature & Arts" }, { "q": "What is the SI unit of luminous intensity?", "options": ["Lumen", "Lux", "Candela", "Nit"], "answer": "Candela", "difficulty": "hard", "category": "Science & Nature" }, { "q": "The Hussite Wars took place primarily in which modern country?", "options": ["Poland", "Hungary", "Austria", "Czech Republic"], "answer": "Czech Republic", "difficulty": "hard", "category": "History" }, { "q": "Which is the only doubly landlocked country in Asia?", "options": ["Mongolia", "Nepal", "Bhutan", "Uzbekistan"], "answer": "Uzbekistan", "difficulty": "hard", "category": "Geography" }, { "q": "Which playwright wrote 'Death of a Salesman'?", "options": [ "Eugene O'Neill", "Tennessee Williams", "Thornton Wilder", "Arthur Miller" ], "answer": "Arthur Miller", "difficulty": "hard", "category": "Literature & Arts" }, { "q": "What is Avogadro's number approximately equal to?", "options": ["6.02 × 10²¹", "6.02 × 10²³", "6.02 × 10²⁵", "6.02 × 10²⁷"], "answer": "6.02 × 10²³", "difficulty": "hard", "category": "Science & Nature" }, { "q": "Which ancient trade route connected China to the Mediterranean?", "options": ["Amber Road", "Spice Route", "Incense Road", "Silk Road"], "answer": "Silk Road", "difficulty": "easy", "category": "History" }, { "q": "What is the capital of Egypt?", "options": ["Alexandria", "Giza", "Luxor", "Cairo"], "answer": "Cairo", "difficulty": "easy", "category": "Geography" }, { "q": "Who wrote 'To Kill a Mockingbird'?", "options": [ "Truman Capote", "Carson McCullers", "Flannery O'Connor", "Harper Lee" ], "answer": "Harper Lee", "difficulty": "easy", "category": "Literature & Arts" }, { "q": "What is the boiling point of water at sea level in Celsius?", "options": ["90°C", "95°C", "100°C", "105°C"], "answer": "100°C", "difficulty": "easy", "category": "Science & Nature" }, { "q": "How many continents are there on Earth?", "options": ["5", "6", "7", "8"], "answer": "7", "difficulty": "easy", "category": "Geography" }, { "q": "In which year did World War I begin?", "options": ["1912", "1913", "1914", "1915"], "answer": "1914", "difficulty": "easy", "category": "History" }, { "q": "Who wrote 'Harry Potter'?", "options": [ "Roald Dahl", "Philip Pullman", "Terry Pratchett", "J.K. Rowling" ], "answer": "J.K. Rowling", "difficulty": "easy", "category": "Literature & Arts" }, { "q": "What is the largest organ in the human body?", "options": ["Liver", "Intestine", "Lung", "Skin"], "answer": "Skin", "difficulty": "easy", "category": "Science & Nature" }, { "q": "What is the capital of Spain?", "options": ["Barcelona", "Seville", "Valencia", "Madrid"], "answer": "Madrid", "difficulty": "easy", "category": "Geography" }, { "q": "Who discovered penicillin?", "options": [ "Louis Pasteur", "Robert Koch", "Joseph Lister", "Alexander Fleming" ], "answer": "Alexander Fleming", "difficulty": "easy", "category": "History" }, { "q": "In the periodic table, what does the atomic number represent?", "options": [ "Number of neutrons", "Number of protons", "Atomic mass", "Number of electrons in outer shell" ], "answer": "Number of protons", "difficulty": "medium", "category": "Science & Nature" }, { "q": "Which painting technique uses small dots of colour?", "options": ["Impasto", "Fresco", "Chiaroscuro", "Pointillism"], "answer": "Pointillism", "difficulty": "medium", "category": "Literature & Arts" }, { "q": "What is the largest country in South America?", "options": ["Argentina", "Colombia", "Peru", "Brazil"], "answer": "Brazil", "difficulty": "easy", "category": "Geography" }, { "q": "The Aztec Empire was conquered by which European explorer?", "options": [ "Francisco Pizarro", "Juan Ponce de León", "Hernán Cortés", "Vasco Núñez de Balboa" ], "answer": "Hernán Cortés", "difficulty": "medium", "category": "History" }, { "q": "Who wrote 'War and Peace'?", "options": [ "Fyodor Dostoevsky", "Ivan Turgenev", "Leo Tolstoy", "Nikolai Gogol" ], "answer": "Leo Tolstoy", "difficulty": "easy", "category": "Literature & Arts" }, { "q": "What is the chemical symbol for iron?", "options": ["Ir", "In", "Fe", "Fr"], "answer": "Fe", "difficulty": "easy", "category": "Science & Nature" }, { "q": "Which country is Mount Kilimanjaro located in?", "options": ["Kenya", "Ethiopia", "Uganda", "Tanzania"], "answer": "Tanzania", "difficulty": "medium", "category": "Geography" }, { "q": "Who was the ancient Egyptian god of the dead?", "options": ["Ra", "Horus", "Anubis", "Osiris"], "answer": "Osiris", "difficulty": "medium", "category": "History" }, { "q": "Which French author wrote 'Les Misérables'?", "options": [ "Alexandre Dumas", "Honoré de Balzac", "Gustave Flaubert", "Victor Hugo" ], "answer": "Victor Hugo", "difficulty": "easy", "category": "Literature & Arts" }, { "q": "What is the most electronegative element?", "options": ["Oxygen", "Chlorine", "Nitrogen", "Fluorine"], "answer": "Fluorine", "difficulty": "hard", "category": "Science & Nature" }, { "q": "Which US state is known as the Sunshine State?", "options": ["California", "Arizona", "Hawaii", "Florida"], "answer": "Florida", "difficulty": "easy", "category": "Geography" }, { "q": "What was the name of the ship that brought the Pilgrims to America in 1620?", "options": ["Endeavour", "Santa María", "Golden Hind", "Mayflower"], "answer": "Mayflower", "difficulty": "easy", "category": "History" }, { "q": "Who painted 'Girl with a Pearl Earring'?", "options": [ "Rembrandt van Rijn", "Frans Hals", "Pieter de Hooch", "Johannes Vermeer" ], "answer": "Johannes Vermeer", "difficulty": "medium", "category": "Literature & Arts" }, { "q": "What is the nucleus of an atom made of?", "options": [ "Electrons and protons", "Protons and neutrons", "Electrons and neutrons", "Quarks only" ], "answer": "Protons and neutrons", "difficulty": "easy", "category": "Science & Nature" }, { "q": "Which country is home to the ruins of Carthage?", "options": ["Libya", "Algeria", "Morocco", "Tunisia"], "answer": "Tunisia", "difficulty": "medium", "category": "Geography" }, { "q": "Who led the Cuban Revolution of 1959?", "options": [ "Che Guevara", "Raúl Castro", "Camilo Cienfuegos", "Fidel Castro" ], "answer": "Fidel Castro", "difficulty": "medium", "category": "History" }, { "q": "Who wrote 'The Odyssey'?", "options": ["Sophocles", "Euripides", "Virgil", "Homer"], "answer": "Homer", "difficulty": "easy", "category": "Literature & Arts" }, { "q": "What is the largest planet in our solar system?", "options": ["Saturn", "Uranus", "Neptune", "Jupiter"], "answer": "Jupiter", "difficulty": "easy", "category": "Science & Nature" }, { "q": "Which city is on two continents?", "options": ["Athens", "Cairo", "Moscow", "Istanbul"], "answer": "Istanbul", "difficulty": "medium", "category": "Geography" }, { "q": "The Meiji Restoration occurred in which country?", "options": ["China", "Korea", "Vietnam", "Japan"], "answer": "Japan", "difficulty": "medium", "category": "History" }, { "q": "Who wrote 'Beloved'?", "options": [ "Alice Walker", "Toni Cade Bambara", "Zora Neale Hurston", "Toni Morrison" ], "answer": "Toni Morrison", "difficulty": "medium", "category": "Literature & Arts" }, { "q": "What is the most abundant gas in Earth's atmosphere?", "options": ["Oxygen", "Carbon dioxide", "Argon", "Nitrogen"], "answer": "Nitrogen", "difficulty": "easy", "category": "Science & Nature" }, { "q": "Which river is the longest in Africa?", "options": ["Congo", "Zambezi", "Niger", "Nile"], "answer": "Nile", "difficulty": "easy", "category": "Geography" }, { "q": "Who built the Panama Canal?", "options": ["Britain", "France, then the USA", "Spain", "The USA alone"], "answer": "France, then the USA", "difficulty": "medium", "category": "History" }, { "q": "Who wrote 'Invisible Man'?", "options": [ "Richard Wright", "James Baldwin", "Langston Hughes", "Ralph Ellison" ], "answer": "Ralph Ellison", "difficulty": "hard", "category": "Literature & Arts" }, { "q": "What is the term for animals that are active at night?", "options": ["Diurnal", "Crepuscular", "Nocturnal", "Arboreal"], "answer": "Nocturnal", "difficulty": "easy", "category": "Science & Nature" }, { "q": "Which country has the highest population?", "options": ["USA", "Indonesia", "India", "China"], "answer": "India", "difficulty": "easy", "category": "Geography" }, { "q": "The Battle of Thermopylae was fought between Greece and which empire?", "options": ["Roman", "Macedonian", "Babylonian", "Persian"], "answer": "Persian", "difficulty": "medium", "category": "History" }, { "q": "Who wrote 'The Waste Land'?", "options": ["W.B. Yeats", "Ezra Pound", "Dylan Thomas", "T.S. Eliot"], "answer": "T.S. Eliot", "difficulty": "medium", "category": "Literature & Arts" }, { "q": "What is the chemical symbol for potassium?", "options": ["Po", "Pt", "Ka", "K"], "answer": "K", "difficulty": "medium", "category": "Science & Nature" }, { "q": "In which country is Patagonia located?", "options": [ "Chile and Argentina", "Brazil and Uruguay", "Peru and Bolivia", "Colombia and Ecuador" ], "answer": "Chile and Argentina", "difficulty": "medium", "category": "Geography" }, { "q": "Who was the first woman to win a Nobel Prize?", "options": [ "Irène Joliot-Curie", "Lise Meitner", "Rosalind Franklin", "Marie Curie" ], "answer": "Marie Curie", "difficulty": "medium", "category": "History" }, { "q": "Who wrote 'Middlemarch'?", "options": [ "Charlotte Brontë", "Elizabeth Gaskell", "George Eliot", "Anne Brontë" ], "answer": "George Eliot", "difficulty": "medium", "category": "Literature & Arts" }, { "q": "What is the term for the bending of light as it passes between media?", "options": ["Reflection", "Diffraction", "Refraction", "Dispersion"], "answer": "Refraction", "difficulty": "medium", "category": "Science & Nature" }, { "q": "Which country is home to the Andes mountain range?", "options": [ "Brazil", "Colombia, Ecuador, Peru, Bolivia, Chile, Argentina", "Mexico", "Central America" ], "answer": "Colombia, Ecuador, Peru, Bolivia, Chile, Argentina", "difficulty": "medium", "category": "Geography" }, { "q": "Which civilisation built Teotihuacan?", "options": [ "Aztec", "Maya", "Toltec", "Unknown — predates known civilisations" ], "answer": "Unknown — predates known civilisations", "difficulty": "hard", "category": "History" }, { "q": "Who wrote 'Middlemarch'? (Eliot)", "options": [ "Charlotte Brontë", "Elizabeth Gaskell", "George Eliot", "Wilkie Collins" ], "answer": "George Eliot", "difficulty": "medium", "category": "Literature & Arts" }, { "q": "What phenomenon explains why the sky is blue?", "options": [ "Absorption", "Reflection", "Refraction", "Rayleigh scattering" ], "answer": "Rayleigh scattering", "difficulty": "medium", "category": "Science & Nature" }, { "q": "Which is the only Central American country with no army?", "options": ["Panama", "Belize", "Guatemala", "Costa Rica"], "answer": "Costa Rica", "difficulty": "medium", "category": "Geography" }, { "q": "The Opium Wars were fought between China and which country?", "options": ["France", "USA", "Russia", "Britain"], "answer": "Britain", "difficulty": "medium", "category": "History" }, { "q": "Which composer wrote the 'Goldberg Variations'?", "options": [ "George Frideric Handel", "Johann Sebastian Bach", "Georg Philipp Telemann", "Heinrich Schütz" ], "answer": "Johann Sebastian Bach", "difficulty": "medium", "category": "Literature & Arts" }, { "q": "What is the name of the process by which cells divide to produce two identical cells?", "options": ["Meiosis", "Binary fission", "Mitosis", "Budding"], "answer": "Mitosis", "difficulty": "medium", "category": "Science & Nature" }, { "q": "Which country is home to Lake Titicaca?", "options": [ "Argentina and Chile", "Bolivia and Peru", "Ecuador and Colombia", "Peru and Brazil" ], "answer": "Bolivia and Peru", "difficulty": "medium", "category": "Geography" }, { "q": "In which year did India gain independence from Britain?", "options": ["1945", "1946", "1947", "1948"], "answer": "1947", "difficulty": "easy", "category": "History" }, { "q": "Who wrote 'The Sound and the Fury'?", "options": [ "Ernest Hemingway", "John Steinbeck", "F. Scott Fitzgerald", "William Faulkner" ], "answer": "William Faulkner", "difficulty": "hard", "category": "Literature & Arts" }, { "q": "What is the unit of frequency?", "options": ["Watt", "Pascal", "Newton", "Hertz"], "answer": "Hertz", "difficulty": "medium", "category": "Science & Nature" }, { "q": "Which country contains the most time zones?", "options": ["Russia", "USA", "China", "France"], "answer": "France", "difficulty": "hard", "category": "Geography" }, { "q": "Who was the first person to circumnavigate the globe?", "options": [ "Christopher Columbus", "James Cook", "Amerigo Vespucci", "Ferdinand Magellan" ], "answer": "Ferdinand Magellan", "difficulty": "medium", "category": "History" }, { "q": "Who wrote 'The Trial'?", "options": ["Thomas Mann", "Hermann Hesse", "Robert Musil", "Franz Kafka"], "answer": "Franz Kafka", "difficulty": "medium", "category": "Literature & Arts" }, { "q": "What is the term for organisms that can make their own food through photosynthesis?", "options": ["Heterotrophs", "Decomposers", "Autotrophs", "Omnivores"], "answer": "Autotrophs", "difficulty": "medium", "category": "Science & Nature" }, { "q": "Which is the smallest ocean?", "options": ["Southern", "Indian", "Arctic", "Atlantic"], "answer": "Arctic", "difficulty": "easy", "category": "Geography" }, { "q": "Which British monarch was known as the 'Virgin Queen'?", "options": ["Mary I", "Mary Queen of Scots", "Anne", "Elizabeth I"], "answer": "Elizabeth I", "difficulty": "easy", "category": "History" }, { "q": "Who wrote 'The Divine Comedy'?", "options": [ "Petrarch", "Giovanni Boccaccio", "Francesco Guicciardini", "Dante Alighieri" ], "answer": "Dante Alighieri", "difficulty": "medium", "category": "Literature & Arts" }, { "q": "What is the charge of a neutron?", "options": ["Positive", "Negative", "Zero", "Variable"], "answer": "Zero", "difficulty": "easy", "category": "Science & Nature" }, { "q": "What percentage of the Amazon rainforest is in Brazil?", "options": ["40%", "50%", "60%", "60% +"], "answer": "60% +", "difficulty": "hard", "category": "Geography" }, { "q": "Who was the longest-reigning British monarch?", "options": ["George III", "Victoria", "Elizabeth II", "Henry VIII"], "answer": "Elizabeth II", "difficulty": "easy", "category": "History" }, { "q": "Who wrote 'Catch-22'?", "options": ["Kurt Vonnegut", "Joseph Heller", "Philip Roth", "John Updike"], "answer": "Joseph Heller", "difficulty": "medium", "category": "Literature & Arts" }, { "q": "What is the Doppler effect?", "options": [ "Bending of waves around obstacles", "Change in wave frequency due to relative motion", "Interference of two waves", "Polarisation of light waves" ], "answer": "Change in wave frequency due to relative motion", "difficulty": "medium", "category": "Science & Nature" }, { "q": "Which country is home to the most natural lakes?", "options": ["Russia", "USA", "Finland", "Canada"], "answer": "Canada", "difficulty": "hard", "category": "Geography" }, { "q": "The Siege of Leningrad took place during which war?", "options": [ "World War I", "Russian Civil War", "World War II", "Cold War proxy conflict" ], "answer": "World War II", "difficulty": "medium", "category": "History" }, { "q": "Who wrote 'Slaughterhouse-Five'?", "options": [ "Joseph Heller", "Norman Mailer", "John Irving", "Kurt Vonnegut" ], "answer": "Kurt Vonnegut", "difficulty": "medium", "category": "Literature & Arts" }, { "q": "Which subatomic particle has a positive charge?", "options": ["Electron", "Neutron", "Proton", "Photon"], "answer": "Proton", "difficulty": "easy", "category": "Science & Nature" }, { "q": "Which country has the largest proven natural gas reserves?", "options": ["Iran", "Saudi Arabia", "USA", "Russia"], "answer": "Russia", "difficulty": "hard", "category": "Geography" }, { "q": "In which year did the Soviet Union dissolve?", "options": ["1989", "1990", "1991", "1992"], "answer": "1991", "difficulty": "medium", "category": "History" }, { "q": "Who wrote 'Lolita'?", "options": [ "Henry Miller", "Vladimir Nabokov", "John Updike", "Saul Bellow" ], "answer": "Vladimir Nabokov", "difficulty": "medium", "category": "Literature & Arts" }, { "q": "What is the process by which green plants convert light energy into chemical energy?", "options": [ "Respiration", "Transpiration", "Fermentation", "Photosynthesis" ], "answer": "Photosynthesis", "difficulty": "easy", "category": "Science & Nature" }, { "q": "What is the capital of Pakistan?", "options": ["Lahore", "Karachi", "Peshawar", "Islamabad"], "answer": "Islamabad", "difficulty": "medium", "category": "Geography" }, { "q": "Which treaty ended the American Revolutionary War?", "options": [ "Treaty of Paris", "Treaty of Ghent", "Treaty of Utrecht", "Treaty of Westphalia" ], "answer": "Treaty of Paris", "difficulty": "medium", "category": "History" }, { "q": "Who wrote 'The Old Man and the Sea'?", "options": [ "F. Scott Fitzgerald", "John Steinbeck", "William Faulkner", "Ernest Hemingway" ], "answer": "Ernest Hemingway", "difficulty": "easy", "category": "Literature & Arts" }, { "q": "What is the most common element in the Earth's crust?", "options": ["Silicon", "Iron", "Calcium", "Oxygen"], "answer": "Oxygen", "difficulty": "medium", "category": "Science & Nature" }, { "q": "Which city is the capital of Australia?", "options": ["Sydney", "Melbourne", "Brisbane", "Canberra"], "answer": "Canberra", "difficulty": "easy", "category": "Geography" }, { "q": "Who built the Colosseum in Rome?", "options": ["Julius Caesar", "Augustus", "Vespasian", "Trajan"], "answer": "Vespasian", "difficulty": "hard", "category": "History" }, { "q": "Who wrote 'Brave New World'?", "options": [ "George Orwell", "Aldous Huxley", "H.G. Wells", "Arthur C. Clarke" ], "answer": "Aldous Huxley", "difficulty": "easy", "category": "Literature & Arts" }, { "q": "What is the atomic number of carbon?", "options": ["4", "6", "8", "12"], "answer": "6", "difficulty": "medium", "category": "Science & Nature" }, { "q": "In which country is the Gobi Desert?", "options": ["Kazakhstan", "Uzbekistan", "Mongolia and China", "Russia"], "answer": "Mongolia and China", "difficulty": "medium", "category": "Geography" }, { "q": "The Marshall Plan was implemented after which war?", "options": ["Korean War", "World War I", "Cold War", "World War II"], "answer": "World War II", "difficulty": "medium", "category": "History" }, { "q": "Who wrote 'The Sun Also Rises'?", "options": [ "F. Scott Fitzgerald", "John Dos Passos", "Ernest Hemingway", "Sinclair Lewis" ], "answer": "Ernest Hemingway", "difficulty": "medium", "category": "Literature & Arts" }, { "q": "What does pH measure?", "options": [ "Pressure of hydrogen", "Presence of hydrogen", "Power of hydrogen — acidity/alkalinity", "Potential heat" ], "answer": "Power of hydrogen — acidity/alkalinity", "difficulty": "medium", "category": "Science & Nature" }, { "q": "Which country is home to the fjords of Milford Sound?", "options": ["Norway", "Iceland", "Canada", "New Zealand"], "answer": "New Zealand", "difficulty": "medium", "category": "Geography" }, { "q": "Who was Julius Caesar assassinated by?", "options": [ "Marc Antony", "Pompey", "A group of senators including Brutus and Cassius", "Augustus" ], "answer": "A group of senators including Brutus and Cassius", "difficulty": "medium", "category": "History" }, { "q": "Who wrote 'The Stranger'?", "options": [ "Jean-Paul Sartre", "Simone de Beauvoir", "Samuel Beckett", "Albert Camus" ], "answer": "Albert Camus", "difficulty": "medium", "category": "Literature & Arts" }, { "q": "What is the half-life of uranium-238?", "options": [ "700 million years", "4.5 billion years", "14 billion years", "45 billion years" ], "answer": "4.5 billion years", "difficulty": "hard", "category": "Science & Nature" }, { "q": "Which country is home to the Kavir and Lut deserts?", "options": ["Saudi Arabia", "Oman", "Afghanistan", "Iran"], "answer": "Iran", "difficulty": "hard", "category": "Geography" }, { "q": "Who was the last Tsar of Russia?", "options": ["Alexander II", "Alexander III", "Nicholas I", "Nicholas II"], "answer": "Nicholas II", "difficulty": "medium", "category": "History" }, { "q": "Who wrote 'Madame Bovary' (Flaubert)?", "options": [ "Guy de Maupassant", "Honoré de Balzac", "Gustave Flaubert", "Stendhal" ], "answer": "Gustave Flaubert", "difficulty": "medium", "category": "Literature & Arts" }, { "q": "What is the only mammal capable of true flight?", "options": ["Flying squirrel", "Sugar glider", "Colugo", "Bat"], "answer": "Bat", "difficulty": "easy", "category": "Science & Nature" }, { "q": "Which country borders both the Atlantic and Pacific oceans?", "options": ["Colombia", "Mexico", "Brazil", "Canada"], "answer": "Colombia", "difficulty": "hard", "category": "Geography" }, { "q": "The Hundred Years' War was fought between which two countries?", "options": [ "England and Spain", "England and France", "France and Germany", "England and Scotland" ], "answer": "England and France", "difficulty": "medium", "category": "History" }, { "q": "Who wrote 'On the Road'?", "options": [ "Jack Kerouac", "Allen Ginsberg", "William S. Burroughs", "Lawrence Ferlinghetti" ], "answer": "Jack Kerouac", "difficulty": "medium", "category": "Literature & Arts" }, { "q": "What type of radiation has the highest energy?", "options": ["Radio waves", "X-rays", "Ultraviolet", "Gamma rays"], "answer": "Gamma rays", "difficulty": "medium", "category": "Science & Nature" }, { "q": "Which country is home to the Bosphorus strait?", "options": ["Greece", "Bulgaria", "Turkey", "Romania"], "answer": "Turkey", "difficulty": "medium", "category": "Geography" }, { "q": "Who invented the printing press in Europe?", "options": [ "Leonardo da Vinci", "Galileo Galilei", "Johannes Gutenberg", "Nicolaus Copernicus" ], "answer": "Johannes Gutenberg", "difficulty": "easy", "category": "History" }, { "q": "Who wrote 'The Bell Jar'?", "options": [ "Anne Sexton", "Adrienne Rich", "Sylvia Plath", "Diane Wakoski" ], "answer": "Sylvia Plath", "difficulty": "medium", "category": "Literature & Arts" }, { "q": "What is the name of the process by which DNA is copied?", "options": ["Transcription", "Translation", "Replication", "Mutation"], "answer": "Replication", "difficulty": "medium", "category": "Science & Nature" }, { "q": "Which country contains the most of the Sahara Desert?", "options": ["Algeria", "Libya", "Sudan", "Egypt"], "answer": "Algeria", "difficulty": "hard", "category": "Geography" }, { "q": "The Peloponnesian War was fought between Athens and which city-state?", "options": ["Corinth", "Thebes", "Argos", "Sparta"], "answer": "Sparta", "difficulty": "medium", "category": "History" }, { "q": "Who wrote 'Things Fall Apart'?", "options": [ "Wole Soyinka", "Ngugi wa Thiong'o", "Chinua Achebe", "Ben Okri" ], "answer": "Chinua Achebe", "difficulty": "medium", "category": "Literature & Arts" }, { "q": "What is Boyle's Law?", "options": [ "Temperature and volume are directly proportional", "Pressure and volume are inversely proportional at constant temperature", "Pressure and temperature are directly proportional", "Volume and temperature are directly proportional" ], "answer": "Pressure and volume are inversely proportional at constant temperature", "difficulty": "hard", "category": "Science & Nature" }, { "q": "Which is the only sea without land boundaries?", "options": ["Coral Sea", "Tasman Sea", "Weddell Sea", "Sargasso Sea"], "answer": "Sargasso Sea", "difficulty": "hard", "category": "Geography" }, { "q": "In which year was the Magna Carta signed?", "options": ["1199", "1207", "1215", "1225"], "answer": "1215", "difficulty": "medium", "category": "History" }, { "q": "Who wrote 'Native Son'?", "options": [ "Ralph Ellison", "James Baldwin", "Richard Wright", "Langston Hughes" ], "answer": "Richard Wright", "difficulty": "hard", "category": "Literature & Arts" }, { "q": "What particle is exchanged between quarks to hold them together?", "options": ["Photon", "W boson", "Higgs boson", "Gluon"], "answer": "Gluon", "difficulty": "hard", "category": "Science & Nature" }, { "q": "Which country has the most islands?", "options": ["Indonesia", "Philippines", "Japan", "Sweden"], "answer": "Sweden", "difficulty": "hard", "category": "Geography" }, { "q": "Which US president issued the Emancipation Proclamation?", "options": [ "Ulysses S. Grant", "Andrew Johnson", "James Buchanan", "Abraham Lincoln" ], "answer": "Abraham Lincoln", "difficulty": "easy", "category": "History" }, { "q": "Who wrote 'The Grapes of Wrath'?", "options": [ "William Faulkner", "Ernest Hemingway", "Sinclair Lewis", "John Steinbeck" ], "answer": "John Steinbeck", "difficulty": "easy", "category": "Literature & Arts" }, { "q": "What is the name of the force that keeps planets in orbit?", "options": [ "Electromagnetism", "Strong nuclear force", "Weak nuclear force", "Gravity" ], "answer": "Gravity", "difficulty": "easy", "category": "Science & Nature" }, { "q": "What is the capital of Morocco?", "options": ["Casablanca", "Marrakech", "Fez", "Rabat"], "answer": "Rabat", "difficulty": "medium", "category": "Geography" }, { "q": "The Cultural Revolution took place in which country?", "options": ["Vietnam", "North Korea", "Soviet Union", "China"], "answer": "China", "difficulty": "medium", "category": "History" }, { "q": "Who wrote 'Beloved' (Morrison)?", "options": [ "Gloria Naylor", "Alice Walker", "Toni Morrison", "Octavia Butler" ], "answer": "Toni Morrison", "difficulty": "medium", "category": "Literature & Arts" }, { "q": "What is the rarest blood type?", "options": ["B negative", "O negative", "AB negative", "A negative"], "answer": "AB negative", "difficulty": "medium", "category": "Science & Nature" }, { "q": "Which country is home to Kruger National Park?", "options": ["Kenya", "Botswana", "Zimbabwe", "South Africa"], "answer": "South Africa", "difficulty": "easy", "category": "Geography" }, { "q": "Who was the leader of Nazi Germany?", "options": [ "Heinrich Himmler", "Hermann Göring", "Josef Goebbels", "Adolf Hitler" ], "answer": "Adolf Hitler", "difficulty": "easy", "category": "History" }, { "q": "Who wrote 'The Handmaid's Tale'?", "options": [ "Ursula K. Le Guin", "Doris Lessing", "Alice Munro", "Margaret Atwood" ], "answer": "Margaret Atwood", "difficulty": "easy", "category": "Literature & Arts" }, { "q": "How many chromosomes do humans have?", "options": ["44", "46", "48", "50"], "answer": "46", "difficulty": "medium", "category": "Science & Nature" }, { "q": "What is the capital of the Philippines?", "options": ["Cebu", "Davao", "Quezon City", "Manila"], "answer": "Manila", "difficulty": "medium", "category": "Geography" }, { "q": "The Rwandan genocide occurred in which year?", "options": ["1990", "1992", "1994", "1996"], "answer": "1994", "difficulty": "medium", "category": "History" }, { "q": "Who wrote 'Midnight's Children'?", "options": [ "Arundhati Roy", "Vikram Seth", "Amitav Ghosh", "Salman Rushdie" ], "answer": "Salman Rushdie", "difficulty": "medium", "category": "Literature & Arts" }, { "q": "What is the term for a reaction that releases energy?", "options": ["Endothermic", "Catalytic", "Exothermic", "Redox"], "answer": "Exothermic", "difficulty": "medium", "category": "Science & Nature" }, { "q": "Which country has the world's largest salt flat?", "options": ["Chile", "Argentina", "Peru", "Bolivia"], "answer": "Bolivia", "difficulty": "medium", "category": "Geography" }, { "q": "Who commanded the Allied forces on D-Day?", "options": [ "Bernard Montgomery", "George Patton", "Omar Bradley", "Dwight D. Eisenhower" ], "answer": "Dwight D. Eisenhower", "difficulty": "medium", "category": "History" }, { "q": "Who wrote 'The Road'?", "options": ["Don DeLillo", "Philip Roth", "John Updike", "Cormac McCarthy"], "answer": "Cormac McCarthy", "difficulty": "medium", "category": "Literature & Arts" }, { "q": "What is the name for the outer layer of the Sun?", "options": ["Chromosphere", "Photosphere", "Core", "Corona"], "answer": "Corona", "difficulty": "medium", "category": "Science & Nature" }, { "q": "Which country is home to the Mekong Delta?", "options": ["Cambodia", "Thailand", "Laos", "Vietnam"], "answer": "Vietnam", "difficulty": "medium", "category": "Geography" }, { "q": "Who wrote the Communist Manifesto with Friedrich Engels?", "options": ["Vladimir Lenin", "Georg Hegel", "Max Weber", "Karl Marx"], "answer": "Karl Marx", "difficulty": "easy", "category": "History" }, { "q": "Who wrote 'A Farewell to Arms'?", "options": [ "John Dos Passos", "F. Scott Fitzgerald", "William Faulkner", "Ernest Hemingway" ], "answer": "Ernest Hemingway", "difficulty": "medium", "category": "Literature & Arts" }, { "q": "What is the capital of Vietnam?", "options": ["Ho Chi Minh City", "Da Nang", "Hue", "Hanoi"], "answer": "Hanoi", "difficulty": "medium", "category": "Geography" }, { "q": "The League of Nations was established after which event?", "options": [ "World War II", "The Russian Revolution", "World War I", "The Great Depression" ], "answer": "World War I", "difficulty": "medium", "category": "History" }, { "q": "Who wrote 'The Picture of Dorian Gray'?", "options": [ "George Bernard Shaw", "Arthur Conan Doyle", "Robert Louis Stevenson", "Oscar Wilde" ], "answer": "Oscar Wilde", "difficulty": "easy", "category": "Literature & Arts" }, { "q": "What is the most abundant protein in the human body?", "options": ["Keratin", "Elastin", "Haemoglobin", "Collagen"], "answer": "Collagen", "difficulty": "hard", "category": "Science & Nature" }, { "q": "Which country is home to the Skeleton Coast?", "options": ["Angola", "Mozambique", "Somalia", "Namibia"], "answer": "Namibia", "difficulty": "hard", "category": "Geography" }, { "q": "The Dreyfus Affair was a political scandal in which country?", "options": ["Germany", "Austria-Hungary", "Russia", "France"], "answer": "France", "difficulty": "hard", "category": "History" }, { "q": "Who wrote 'White Noise'?", "options": ["Thomas Pynchon", "John Barth", "Don DeLillo", "Robert Coover"], "answer": "Don DeLillo", "difficulty": "hard", "category": "Literature & Arts" }, { "q": "Which law states that energy cannot be created or destroyed?", "options": [ "Newton's First Law", "Zeroth Law of Thermodynamics", "Second Law of Thermodynamics", "First Law of Thermodynamics" ], "answer": "First Law of Thermodynamics", "difficulty": "medium", "category": "Science & Nature" }, { "q": "Which river flows through Cairo?", "options": ["Congo", "Niger", "Nile", "Zambezi"], "answer": "Nile", "difficulty": "easy", "category": "Geography" }, { "q": "Who was the first Prime Minister of India?", "options": [ "Mahatma Gandhi", "Indira Gandhi", "Vallabhbhai Patel", "Jawaharlal Nehru" ], "answer": "Jawaharlal Nehru", "difficulty": "medium", "category": "History" }, { "q": "Who wrote 'Midnight in the Garden of Good and Evil'?", "options": [ "Truman Capote", "John Berendt", "Tom Wolfe", "Hunter S. Thompson" ], "answer": "John Berendt", "difficulty": "hard", "category": "Literature & Arts" }, { "q": "What is the term for the splitting of an atomic nucleus?", "options": ["Fusion", "Fission", "Decay", "Transmutation"], "answer": "Fission", "difficulty": "medium", "category": "Science & Nature" }, { "q": "Which is the world's highest navigable lake?", "options": ["Lake Superior", "Crater Lake", "Dead Sea", "Lake Titicaca"], "answer": "Lake Titicaca", "difficulty": "medium", "category": "Geography" }, { "q": "Who wrote the Declaration of Independence?", "options": [ "George Washington", "Benjamin Franklin", "John Adams", "Thomas Jefferson" ], "answer": "Thomas Jefferson", "difficulty": "easy", "category": "History" }, { "q": "Who wrote 'The Name of the Rose'?", "options": [ "Italo Calvino", "Giorgio Bassani", "Alberto Moravia", "Umberto Eco" ], "answer": "Umberto Eco", "difficulty": "medium", "category": "Literature & Arts" }, { "q": "What is the name of the closest star to Earth (other than the Sun)?", "options": ["Sirius", "Vega", "Proxima Centauri", "Betelgeuse"], "answer": "Proxima Centauri", "difficulty": "medium", "category": "Science & Nature" }, { "q": "Which country contains both the highest and lowest points in South America?", "options": ["Bolivia", "Peru", "Colombia", "Argentina"], "answer": "Argentina", "difficulty": "hard", "category": "Geography" }, { "q": "What was the name of the operation that landed Allied troops in Normandy in 1944?", "options": [ "Operation Market Garden", "Operation Barbarossa", "Operation Overlord", "Operation Torch" ], "answer": "Operation Overlord", "difficulty": "medium", "category": "History" }, { "q": "Who wrote 'The Alchemist'?", "options": [ "Gabriel García Márquez", "Isabel Allende", "Jorge Amado", "Paulo Coelho" ], "answer": "Paulo Coelho", "difficulty": "easy", "category": "Literature & Arts" }, { "q": "What is the Coriolis effect?", "options": [ "Deflection of moving objects due to Earth's rotation", "Bending of light near massive objects", "Variation in ocean temperature with depth", "Heating of the atmosphere by the sun" ], "answer": "Deflection of moving objects due to Earth's rotation", "difficulty": "medium", "category": "Science & Nature" }, { "q": "Which country has the most UNESCO Biosphere Reserves?", "options": ["USA", "Germany", "Russia", "Spain"], "answer": "Spain", "difficulty": "hard", "category": "Geography" }, { "q": "Who was the first woman to fly solo across the Atlantic Ocean?", "options": [ "Bessie Coleman", "Jacqueline Cochran", "Harriet Quimby", "Amelia Earhart" ], "answer": "Amelia Earhart", "difficulty": "medium", "category": "History" }, { "q": "Who wrote 'The Tin Drum'?", "options": [ "Heinrich Böll", "Thomas Mann", "Bertolt Brecht", "Günter Grass" ], "answer": "Günter Grass", "difficulty": "hard", "category": "Literature & Arts" }, { "q": "What type of chemical bond involves the sharing of electrons?", "options": ["Ionic", "Metallic", "Van der Waals", "Covalent"], "answer": "Covalent", "difficulty": "medium", "category": "Science & Nature" }, { "q": "What is the capital of Iran?", "options": ["Isfahan", "Shiraz", "Mashhad", "Tehran"], "answer": "Tehran", "difficulty": "medium", "category": "Geography" }, { "q": "The Zulu Kingdom fought against which European colonial power?", "options": ["France", "Germany", "Portugal", "Britain"], "answer": "Britain", "difficulty": "medium", "category": "History" }, { "q": "What is the speed of sound in air at 20°C approximately?", "options": ["220 m/s", "270 m/s", "343 m/s", "440 m/s"], "answer": "343 m/s", "difficulty": "medium", "category": "Science & Nature" }, { "q": "Which is the largest lake in Africa?", "options": [ "Lake Tanganyika", "Lake Malawi", "Lake Turkana", "Lake Victoria" ], "answer": "Lake Victoria", "difficulty": "medium", "category": "Geography" }, { "q": "Who was the Greek philosopher who taught Alexander the Great?", "options": ["Socrates", "Plato", "Epicurus", "Aristotle"], "answer": "Aristotle", "difficulty": "medium", "category": "History" }, { "q": "Who wrote 'Siddhartha'?", "options": [ "Thomas Mann", "Stefan Zweig", "Rainer Maria Rilke", "Hermann Hesse" ], "answer": "Hermann Hesse", "difficulty": "medium", "category": "Literature & Arts" }, { "q": "What is the term for an organism that feeds on dead organic matter?", "options": ["Parasite", "Herbivore", "Detritivore", "Carnivore"], "answer": "Detritivore", "difficulty": "hard", "category": "Science & Nature" }, { "q": "Which country is home to the Drakensberg mountain range?", "options": ["Zimbabwe", "Mozambique", "Lesotho and South Africa", "Zambia"], "answer": "Lesotho and South Africa", "difficulty": "hard", "category": "Geography" }, { "q": "The Boston Tea Party took place in which year?", "options": ["1770", "1773", "1776", "1783"], "answer": "1773", "difficulty": "medium", "category": "History" }, { "q": "Who wrote 'Brideshead Revisited'?", "options": [ "Anthony Powell", "Graham Greene", "Evelyn Waugh", "Anthony Burgess" ], "answer": "Evelyn Waugh", "difficulty": "medium", "category": "Literature & Arts" }, { "q": "What causes the Northern Lights (Aurora Borealis)?", "options": [ "Reflection of city lights", "Volcanic eruptions", "Solar wind interacting with the atmosphere", "Meteor showers" ], "answer": "Solar wind interacting with the atmosphere", "difficulty": "medium", "category": "Science & Nature" }, { "q": "Which country is home to the Fertile Crescent?", "options": [ "Egypt and Libya", "Iran, Iraq, Syria, Lebanon, Jordan, Israel", "Saudi Arabia and Yemen", "Turkey and Greece" ], "answer": "Iran, Iraq, Syria, Lebanon, Jordan, Israel", "difficulty": "medium", "category": "Geography" }, { "q": "Who founded the Mongol Empire?", "options": ["Kublai Khan", "Timur", "Ögedei Khan", "Genghis Khan"], "answer": "Genghis Khan", "difficulty": "easy", "category": "History" }, { "q": "What is the term for the minimum frequency of light needed to eject electrons from a metal?", "options": [ "Resonant frequency", "Critical frequency", "Threshold frequency", "Natural frequency" ], "answer": "Threshold frequency", "difficulty": "hard", "category": "Science & Nature" }, { "q": "Which country has the most active geysers?", "options": ["Iceland", "New Zealand", "Chile", "USA"], "answer": "USA", "difficulty": "hard", "category": "Geography" }, { "q": "The Boer Wars were fought in which modern country?", "options": ["Zimbabwe", "Namibia", "Kenya", "South Africa"], "answer": "South Africa", "difficulty": "medium", "category": "History" }, { "q": "Who wrote 'The Remains of the Day'?", "options": ["Martin Amis", "Ian McEwan", "Graham Swift", "Kazuo Ishiguro"], "answer": "Kazuo Ishiguro", "difficulty": "medium", "category": "Literature & Arts" }, { "q": "What is the chemical formula for table salt?", "options": ["NaOH", "NaCl", "Na2SO4", "NaHCO3"], "answer": "NaCl", "difficulty": "easy", "category": "Science & Nature" }, { "q": "Which country is home to the Omo Valley?", "options": ["Somalia", "Sudan", "Kenya", "Ethiopia"], "answer": "Ethiopia", "difficulty": "hard", "category": "Geography" }, { "q": "Which country did Napoleon Bonaparte come from originally?", "options": ["Italy", "France", "Corsica", "Spain"], "answer": "Corsica", "difficulty": "medium", "category": "History" }, { "q": "Who wrote 'Love in the Time of Cholera'?", "options": [ "Carlos Fuentes", "Mario Vargas Llosa", "Jorge Luis Borges", "Gabriel García Márquez" ], "answer": "Gabriel García Márquez", "difficulty": "medium", "category": "Literature & Arts" }, { "q": "What is the study of heredity and genes called?", "options": ["Genomics", "Cytology", "Genetics", "Molecular biology"], "answer": "Genetics", "difficulty": "easy", "category": "Science & Nature" }, { "q": "What is the capital of Saudi Arabia?", "options": ["Mecca", "Medina", "Jeddah", "Riyadh"], "answer": "Riyadh", "difficulty": "medium", "category": "Geography" }, { "q": "Who was the first European explorer to reach India by sea?", "options": [ "Christopher Columbus", "Pedro Álvares Cabral", "Bartolomeu Dias", "Vasco da Gama" ], "answer": "Vasco da Gama", "difficulty": "medium", "category": "History" }, { "q": "Who wrote 'The God of Small Things'?", "options": ["Kiran Desai", "Jhumpa Lahiri", "Anita Desai", "Arundhati Roy"], "answer": "Arundhati Roy", "difficulty": "medium", "category": "Literature & Arts" }, { "q": "Which planet has the longest day in our solar system?", "options": ["Mercury", "Mars", "Jupiter", "Venus"], "answer": "Venus", "difficulty": "hard", "category": "Science & Nature" }, { "q": "Which is the only country to span four hemispheres?", "options": ["Russia", "Indonesia", "Brazil", "Kiribati"], "answer": "Kiribati", "difficulty": "hard", "category": "Geography" }, { "q": "Who led the Cuban Missile Crisis negotiations on behalf of the USA?", "options": [ "Robert McNamara", "Dean Rusk", "McGeorge Bundy", "John F. Kennedy" ], "answer": "John F. Kennedy", "difficulty": "medium", "category": "History" }, { "q": "Who wrote 'Midnight in Paris'?", "options": ["Julian Barnes", "Ian McEwan", "Martin Amis", "Woody Allen"], "answer": "Woody Allen", "difficulty": "hard", "category": "Literature & Arts" }, { "q": "What is the process of a gas turning into a liquid called?", "options": ["Evaporation", "Sublimation", "Condensation", "Deposition"], "answer": "Condensation", "difficulty": "easy", "category": "Science & Nature" }, { "q": "Which country has the highest average elevation?", "options": ["Nepal", "Mongolia", "Bolivia", "China"], "answer": "Bolivia", "difficulty": "hard", "category": "Geography" }, { "q": "The Partition of India in 1947 created which two countries?", "options": [ "India and Bangladesh", "India and Pakistan", "India and Sri Lanka", "India and Afghanistan" ], "answer": "India and Pakistan", "difficulty": "easy", "category": "History" }, { "q": "Who wrote 'Interpreter of Maladies'?", "options": ["Anita Desai", "Kiran Desai", "Arundhati Roy", "Jhumpa Lahiri"], "answer": "Jhumpa Lahiri", "difficulty": "medium", "category": "Literature & Arts" }, { "q": "What is the name of the wave theory that describes light as both a particle and a wave?", "options": [ "Special relativity", "Quantum mechanics", "String theory", "Wave-particle duality" ], "answer": "Wave-particle duality", "difficulty": "medium", "category": "Science & Nature" }, { "q": "Which country contains the most freshwater rivers?", "options": ["Russia", "Canada", "Brazil", "USA"], "answer": "Brazil", "difficulty": "hard", "category": "Geography" }, { "q": "Who wrote 'The Republic'?", "options": ["Aristotle", "Socrates", "Cicero", "Plato"], "answer": "Plato", "difficulty": "medium", "category": "History" }, { "q": "Who wrote 'Persepolis'?", "options": [ "Azar Nafisi", "Shirin Ebadi", "Marjane Satrapi", "Nawal El Saadawi" ], "answer": "Marjane Satrapi", "difficulty": "medium", "category": "Literature & Arts" } ]