General Knowledge Quiz

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Certainly! Here’s a general knowledge quiz covering a variety of topics. Each question includes an answer and a brief explanation.

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1. What is the largest organ in the human body?

Answer: Skin
Explanation: Skin is the largest organ, covering the entire body and providing a protective barrier. It plays key roles in temperature regulation, sensation, and immune defense.

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2. Which planet is known as the "Red Planet"?

Answer: Mars
Explanation: Mars is called the "Red Planet" due to its reddish appearance, which comes from iron oxide (rust) on its surface. This color can be seen from Earth with the naked eye.

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3. Who wrote the play Romeo and Juliet?

Answer: William Shakespeare
Explanation: Romeo and Juliet, a tragic love story, is one of Shakespeare's most famous plays, written in the early 1590s. It remains a central work in English literature.

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4. What is the smallest country in the world by land area?

Answer: Vatican City
Explanation: Vatican City is the smallest country, covering about 44 hectares (110 acres). It serves as the spiritual and administrative center of the Roman Catholic Church.

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5. Who developed the theory of relativity?

Answer: Albert Einstein
Explanation: Albert Einstein proposed the theory of relativity in the early 20th century, fundamentally changing our understanding of time, space, and gravity.

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6. What is the process by which plants make their own food?

Answer: Photosynthesis
Explanation: Photosynthesis is the process by which plants convert sunlight, carbon dioxide, and water into glucose and oxygen. It occurs in the chloroplasts of plant cells.

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7. In which year did the Titanic sink?

Answer: 1912
Explanation: The RMS Titanic, a British passenger liner, sank on April 15, 1912, after hitting an iceberg. This tragic event led to significant improvements in maritime safety.

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8. Which gas is most abundant in Earth's atmosphere?

Answer: Nitrogen
Explanation: Nitrogen makes up about 78% of Earth's atmosphere, followed by oxygen at around 21%. This composition supports life and helps regulate the planet's temperature.

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9. What is the longest river in the world?

Answer: Nile (or Amazon, depending on measurement)
Explanation: The Nile in Africa is traditionally considered the longest river, but recent measurements suggest the Amazon River in South America may be longer depending on certain criteria.

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10. Who painted the Mona Lisa?

Answer: Leonardo da Vinci
Explanation: Leonardo da Vinci painted the Mona Lisa in the early 16th century. This famous portrait is known for its enigmatic expression and is housed in the Louvre Museum in Paris.

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11. What is the hardest natural substance on Earth?

Answer: Diamond
Explanation: Diamond is the hardest known natural material. It ranks at 10 on the Mohs scale of mineral hardness, making it highly valued for both jewelry and industrial uses.

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