0 GK Quiz-1 in English 1 / 25 1. What year did the Titanic sink on its maiden voyage? 1905 1920 1912 1910 Explanation: The Titanic sank on its maiden voyage on April 15, 1912, after hitting an iceberg. This event was a major maritime disaster. 2 / 25 2. What is the name of the largest desert in the world? Antarctic Desert Sahara Desert Gobi Desert Kalahari Desert Explanation: The Antarctic Desert is the largest desert in the world by area. It covers about 14.2 million square kilometers. 3 / 25 3. What is the hardest known material in the human body? Bone Cartilage Tendon Enamel Explanation: Tooth enamel is the hardest substance in the human body, protecting teeth from decay. 4 / 25 4. Which country is the largest by population? India China Russia Brazil Explanation: China is the most populous country in the world, with over 1.4 billion people. 5 / 25 5. Which famous scientist developed the theory of relativity? Galileo Galilei Isaac Newton Nikola Tesla Albert Einstein Explanation: Albert Einstein developed the theory of relativity, which revolutionized the understanding of space, time, and gravity. 6 / 25 6. What is the main ingredient in guacamole? Tomato Avocado Onion Pepper Explanation: The main ingredient in guacamole is avocado, which gives the dish its creamy texture and flavor. 7 / 25 7. What is the capital of France? Berlin Madrid Paris Rome Explanation: Paris is the capital city of France, known for its rich history, culture, and landmarks such as the Eiffel Tower. 8 / 25 8. Who discovered penicillin? Alexander Fleming Louis Pasteur Albert Einstein Marie Curie Explanation: Alexander Fleming discovered penicillin in 1928. This was a groundbreaking finding because penicillin was the first antibiotic used to fight bacterial infections. 9 / 25 9. Which planet is known as the Earth's twin? Mars Saturn Mercury Venus Explanation: Venus is often called Earth's twin because of its similar size and composition. 10 / 25 10. What is the chemical formula for water? CO2 H2O H2 CH4 Explanation: The chemical formula for water is H2O, indicating that each molecule of water is made up of two hydrogen atoms and one oxygen atom. 11 / 25 11. Which is the most spoken language in the world? Mandarin Spanish English Hindi Explanation: Mandarin is the most widely spoken language in the world, with the highest number of native speakers. It is the official language of China and Taiwan, and it is also one of the four official languages of Singapore. 12 / 25 12. Who painted the Mona Lisa? Vincent van Gogh Pablo Picasso Leonardo da Vinci Claude Monet Explanation: Leonardo da Vinci painted the Mona Lisa, one of the most famous and recognizable artworks in history. 13 / 25 13. Which is the longest river in the world? Mississippi Yangtze Amazon Nile Explanation: The Nile River is traditionally considered the longest river in the world, flowing over 6,650 kilometers through northeastern Africa. 14 / 25 14. Which country is known as the Land of the Rising Sun? Thailand Japan China India Explanation: Japan is known as the Land of the Rising Sun because it lies to the east of the Asian continent and is one of the first countries to see the sunrise. 15 / 25 15. What is the hardest natural substance on Earth? Diamond Platinum Gold Iron Explanation: Diamond is the hardest natural material found on Earth. Its hardness makes it useful for cutting and drilling. 16 / 25 16. Who is considered the Father of the Indian Nation? Jawaharlal Nehru Subhas Chandra Bose Mahatma Gandhi Bhagat Singh Explanation: Mahatma Gandhi is called the Father of the Indian Nation due to his role in leading India to independence through non-violent means. 17 / 25 17. Which element is known as the building block of life? Hydrogen Nitrogen Oxygen Carbon Explanation: Carbon is known as the building block of life because it is a fundamental component of all known living organisms. 18 / 25 18. What is the capital city of Japan? Seoul Tokyo Kyoto Osaka Explanation: Tokyo is the capital city of Japan. It is one of the largest and most important cities in the world. 19 / 25 19. Which ocean is the largest by volume? Atlantic Ocean Indian Ocean Pacific Ocean Arctic Ocean Explanation: The Pacific Ocean is the largest ocean not only in size but also in volume. It holds more water than any other ocean. 20 / 25 20. What is the smallest unit of matter? Atom Molecule Electron Proton Explanation: An atom is the smallest unit of matter that retains the properties of an element. It is made up of protons, neutrons, and electrons. 21 / 25 21. Who wrote the play "Romeo and Juliet"? Mark Twain Charles Dickens Jane Austen William Shakespeare Explanation: William Shakespeare wrote the play "Romeo and Juliet." It's one of his most famous works and is known for its tragic love story. 22 / 25 22. Which planet is known as the Red Planet? Venus Mars Jupiter Mercury Explanation: Mars is called the Red Planet because of its reddish appearance due to iron oxide (rust) on its surface. 23 / 25 23. What is the chemical symbol for gold? Ag Au Fe Pb Explanation: The chemical symbol for gold is Au, derived from the Latin word "aurum." 24 / 25 24. Who was the first President of the United States? Thomas Jefferson Abraham Lincoln George Washington John Adams Explanation: George Washington was the very first President of the United States. He served from 1789 to 1797 and is often called the "Father of His Country." 25 / 25 25. Which is the largest continent by land area? Africa Asia Europe North America Explanation: Asia is the largest continent in terms of land area. It covers about 44.58 million square kilometers, which is more than any other continent. 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