question,option1,option2,option3,option4,answer,difficulty
What is the capital of France?,Paris,London,Berlin,Rome,Paris,Easy
Which planet is known as the Red Planet?,Earth,Mars,Venus,Jupiter,Mars,Easy
What is the largest mammal?,Elephant,Blue Whale,Giraffe,Shark,Blue Whale,Easy
What is the square root of 64?,6,7,8,9,8,Easy
Which of these is a prime number?,4,6,9,11,11,Easy
What is the boiling point of water?,100°C,90°C,80°C,120°C,100°C,Easy
Which is the largest continent?,Asia,Europe,North America,Australia,Asia,Easy
Who developed the theory of relativity?,Isaac Newton,Albert Einstein,Nikola Tesla,Marie Curie,Albert Einstein,Medium
What is the chemical symbol for gold?,Au,Ag,Fe,Hg,Au,Medium
Who invented the telephone?,Alexander Graham Bell,Thomas Edison,Michael Faraday,Galileo Galilei,Alexander Graham Bell,Medium
What is the smallest prime number?,0,1,2,3,2,Medium
Which gas do plants absorb from the air?,Oxygen,Carbon Dioxide,Nitrogen,Hydrogen,Carbon Dioxide,Medium
Who was the first man to walk on the Moon?,Neil Armstrong,Yuri Gagarin,Alan Shepard,Buzz Aldrin,Neil Armstrong,Medium
Which planet has the most moons?,Jupiter,Saturn,Mars,Earth,Saturn,Medium
What is the chemical formula for water?,H2O,CO2,O2,H2O2,H2O,Medium
What is the largest planet in our solar system?,Earth,Mars,Jupiter,Saturn,Jupiter,Hard
What is the capital of Australia?,Sydney,Melbourne,Canberra,Perth,Canberra,Hard
Who was the first president of the United States?,Abraham Lincoln,George Washington,Thomas Jefferson,Theodore Roosevelt,George Washington,Hard
What is the longest river in the world?,Amazon,Nile,Ganges,Mississippi,Nile,Hard
Which ocean is the smallest?,Atlantic,Indian,Arctic,Pacific,Arctic,Hard
What is the atomic number of oxygen?,6,7,8,9,8,Hard
Who painted the Mona Lisa?,Vincent van Gogh,Pablo Picasso,Leonardo da Vinci,Claude Monet,Leonardo da Vinci,Hard
What is the currency of Japan?,Yuan,Won,Yen,Ringgit,Yen,Hard
Which country has the highest population?,China,India,USA,Brazil,China,Hard
What is the longest bone in the human body?,Femur,Tibia,Fibula,Humerus,Femur,Hard
Which element has the chemical symbol 'Na'?,Sodium,Neon,Nitrogen,Naphthalene,Sodium,Hard
What is the largest desert in the world?,Sahara,Gobi,Kalahari,Antarctic,Antarctic,Hard
Which country is known as the Land of the Rising Sun?,China,Japan,South Korea,Thailand,Japan,Hard
How many states are there in the United States?,50,52,48,51,50,Hard
Who invented the light bulb?,Alexander Graham Bell,Thomas Edison,Michael Faraday,Nikola Tesla,Thomas Edison,Hard
What is the freezing point of water?,0°C,32°C,100°C,-10°C,0°C,Easy
What is the largest continent by land area?,Asia,Europe,North America,Australia,Asia,Easy
Which is the hottest planet in the solar system?,Mercury,Venus,Earth,Mars,Venus,Easy
What is the symbol for the element oxygen?,O,O2,Ox,Oy,O,Easy
Which continent is known as the "Dark Continent"?,Africa,Asia,Europe,South America,Africa,Easy
Who discovered gravity?,Isaac Newton,Albert Einstein,Galileo Galilei,Nikola Tesla,Isaac Newton,Easy
What is the largest ocean on Earth?,Atlantic Ocean,Indian Ocean,Pacific Ocean,Arctic Ocean,Pacific Ocean,Easy
What is the primary ingredient in guacamole?,Tomato,Avocado,Onion,Garlic,Avocado,Easy
What is the capital of Japan?,Beijing,Seoul,Tokyo,Hanoi,Tokyo,Easy
Who is known as the father of modern physics?,Albert Einstein,Nikola Tesla,Isaac Newton,Marie Curie,Albert Einstein,Medium
What is the hardest natural substance on Earth?,Gold,Iron,Diamond,Platinum,Diamond,Medium
Which country is the Eiffel Tower located in?,Germany,France,Italy,England,France,Medium
What is the chemical symbol for iron?,Fe,Fe2,Ir,Si,Fe,Medium
What is the formula for calculating the area of a circle?,πr^2,2πr,r^2,πd,πr^2,Medium
What is the longest wall in the world?,Hadrian's Wall,Great Wall of China,Wall of Jericho,Wall of Berlin,Great Wall of China,Medium
Who was the 16th president of the United States?,Abraham Lincoln,George Washington,John F. Kennedy,Theodore Roosevelt,Abraham Lincoln,Medium
Which country invented pizza?,Italy,USA,China,Germany,Italy,Medium
What is the largest city in the world by population?,New York,Shanghai,Mexico City,Tokyo,Tokyo,Medium
What is the chemical formula for methane?,CH4,CO2,O2,NH3,CH4,Medium
Who was the first woman to fly solo across the Atlantic?,Amelia Earhart,Harriet Quimby,Eleanor Roosevelt,Bessie Coleman,Amelia Earhart,Medium
Who is the author of 'Romeo and Juliet'?,William Shakespeare,Charles Dickens,J.K. Rowling,Mark Twain,William Shakespeare,Medium
Which planet is closest to the Sun?,Venus,Mercury,Earth,Mars,Mercury,Medium
Who painted the Last Supper?,Vincent van Gogh,Leonardo da Vinci,Michelangelo,Raphael,Leonardo da Vinci,Medium
What is the speed of light?,300,000 km/s,500,000 km/s,600,000 km/s,100,000 km/s,300,000 km/s,Medium
What is the currency of the United Kingdom?,Euro,Dollar,Pound,Yen,Pound,Medium
How many planets are in our solar system?,7,8,9,10,8,Medium
Which country is known for inventing the Samurai?,China,Korea,Japan,India,Japan,Hard
What is the tallest mountain on Earth?,Mount Everest,K2,Kangchenjunga,Lhotse,Mount Everest,Hard
Who was the first person to reach the South Pole?,Roald Amundsen,Ernest Shackleton,Robert Scott,Matthew Henson,Roald Amundsen,Hard
What is the smallest country in the world?,Vatican City,Monaco,San Marino,Liechtenstein,Vatican City,Hard
Which gas do we breathe in the largest amount?,Oxygen,Carbon Dioxide,Nitrogen,Hydrogen,Nitrogen,Hard
What is the second most abundant element in Earth's atmosphere?,Oxygen,Nitrogen,Argon,Carbon Dioxide,Nitrogen,Hard
Which city is known as the "Big Apple"?,Los Angeles,Chicago,New York,San Francisco,New York,Hard
What is the square root of 121?,11,10,12,13,11,Hard
What is the capital of Canada?,Ottawa,Toronto,Vancouver,Montreal,Ottawa,Hard
Which is the fastest land animal?,Cheetah,Lion,Elephant,Zebra,Cheetah,Hard
What is the capital of Brazil?,Rio de Janeiro,Sao Paulo,Montevideo,Brasilia,Brasilia,Hard
What is the national flower of Japan?,Rose,Lotus,Cherry Blossom,Lily,Cherry Blossom,Hard
What is the hardest rock?,Diamond,Granite,Marble,Limestone,Diamond,Hard
Who invented the airplane?,The Wright Brothers,Thomas Edison,Nikola Tesla,Alexander Graham Bell,The Wright Brothers,Hard
What is the largest island in the world?,Greenland,Australia,New Guinea,Borneo,Greenland,Hard
What is the symbol for potassium?,K,Na,Li,Ca,K,Hard