General Knowledge • 10 Questions

Ultimate General Knowledge & World Facts Quiz

Comprehensive general knowledge quiz set covering mixed facts across world records, science, art, and geography.

Question of Score:

What is the largest organ in the human body by surface area and weight?

💡 Explanation: The integumentary system (skin) covers roughly 20 square feet in adults and accounts for about 16% of total body mass.

Which chemical element has the highest thermal conductivity and reflective properties among all metals?

💡 Explanation: Silver possesses the highest electrical conductivity, thermal conductivity, and reflectivity of any known metallic element.

What is the world's smallest sovereign state by both land area and population?

💡 Explanation: Enclosed entirely within Rome, Italy, Vatican City spans just 0.49 square kilometers (121 acres).

In geometry, what is the term given to an angle that measures strictly between 90 degrees and 180 degrees?

💡 Explanation: An obtuse angle is greater than a right angle (90°) but smaller than a straight line (180°).

Which planet in our solar system has the shortest solar day, rotating once on its axis in under 10 hours?

💡 Explanation: Despite being the largest planet in our solar system, gas giant Jupiter completes one full rotation in approximately 9 hours and 55 minutes.

Who painted the ceiling of the Sistine Chapel in Rome between 1508 and 1512?

💡 Explanation: Michelangelo Buonarroti spent four years painting over 300 figures across the Sistine Chapel ceiling under commission from Pope Julius II.

What soft metallic element is soft enough to be cut with a butter knife and reacts violently when placed in water?

💡 Explanation: Sodium is an alkali metal that reacts exothermically with water, producing hydrogen gas and caustic sodium hydroxide solution.

What currency unit is officially used in Japan?

💡 Explanation: The Japanese Yen was introduced under the Meiji Restoration in 1871 and remains one of the world's major traded currencies.

Which instrument measures atmospheric pressure to assist meteorologists in forecasting weather changes?

💡 Explanation: Invented by Evangelista Torricelli in 1643, barometers measure air pressure drops that often signal incoming storm fronts.

What primary language is spoken in Brazil?

💡 Explanation: Due to Portuguese colonization starting in 1500, Brazil is the only Portuguese-speaking nation in the Americas.

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