Ready to put your brainpower to the test? This free proprofs quiz challenges your general knowledge IQ with thought-provoking trivia spanning history, science, pop culture, and more. Whether you're a trivia master looking for a challenge or someone who just loves learning fun facts, you'll discover how much you really know - and where you might want to brush up. By tackling each question, you'll unlock instant insights, compare scores, and even review proprofs quiz answers to spot your strengths. Join other curious minds on the ultimate proprofs com quiz journey - start now and boost your smarts!
What is the capital of France?
Paris
Madrid
Berlin
Rome
Paris is the capital and most populous city of France, serving as a major center for finance, culture, and art. It has been an important European city since the Middle Ages. The city is famous for landmarks such as the Eiffel Tower and the Louvre Museum. For more details see Paris on Wikipedia.
Which element has the chemical symbol O?
Oxygen
Gold
Silver
Iron
Oxygen is a chemical element with the atomic number 8 and the symbol O on the periodic table. It is essential for respiration in most living organisms and supports combustion. Oxygen makes up about 21% of Earth's atmosphere by volume. For more information see Oxygen on Wikipedia.
What planet is known as the Red Planet?
Mars
Jupiter
Venus
Saturn
Mars is often called the Red Planet due to the iron oxide (rust) covering its surface, which gives it a reddish appearance. It is the fourth planet from the Sun and the second-smallest in the Solar System. Mars has the largest volcano and canyon in the solar system. Learn more at Mars on Wikipedia.
Who wrote "Romeo and Juliet"?
William Shakespeare
Charles Dickens
Jane Austen
Mark Twain
William Shakespeare, the renowned English playwright and poet, authored the tragedy "Romeo and Juliet" in the late 16th century. The play is one of his most famous works and is studied and performed worldwide. It tells the story of two young star-crossed lovers whose deaths ultimately reconcile their feuding families. For further reading see William Shakespeare on Wikipedia.
What is the largest ocean by surface area?
Pacific Ocean
Atlantic Ocean
Indian Ocean
Arctic Ocean
The Pacific Ocean is the largest and deepest of Earth's oceanic divisions, covering more than 63 million square miles. It extends from the Arctic in the north to the Southern Ocean in the south. The Pacific contains more than half of the free water on Earth. For more details see Pacific Ocean on Wikipedia.
Which organelle is known as the powerhouse of the cell?
Mitochondria
Nucleus
Ribosome
Chloroplast
Mitochondria are membrane-bound organelles found in most eukaryotic cells and are responsible for producing adenosine triphosphate (ATP), the cell's main energy currency. They play a key role in metabolism and cellular respiration. Mitochondria have their own DNA, suggesting an evolutionary origin as symbiotic bacteria. More information at Mitochondrion on Wikipedia.
What is the currency of Japan?
Yen
Yuan
Won
Dollar
The yen is the official currency of Japan and is abbreviated as ¥, with the ISO code JPY. Introduced in 1871, it replaced the complex monetary system of the Edo period. The yen is the third most traded currency in the foreign exchange market. Learn more at Japanese yen on Wikipedia.
Who painted the Mona Lisa?
Leonardo da Vinci
Michelangelo
Raphael
Donatello
The Mona Lisa is a half-length portrait painting created by the Italian artist Leonardo da Vinci during the Renaissance. It is renowned for its enigmatic expression and subtle modeling of forms. The painting is housed in the Louvre Museum in Paris and attracts millions of visitors annually. For more information see Mona Lisa on Wikipedia.
In computing, what does "HTTP" stand for?
Hypertext Transfer Protocol
Hyperlink Text Transmission Protocol
Hyper Transfer Text Protocol
Hyperlink Transmission Protocol
HTTP stands for Hypertext Transfer Protocol, which is the foundation of data communication on the World Wide Web. It defines how messages are formatted and transmitted, and how web servers and browsers should respond to various commands. HTTP was developed by Tim Berners-Lee at CERN in 1991. For technical details see HTTP on Wikipedia.
Which country won the first FIFA World Cup in 1930?
Uruguay
Brazil
Italy
Germany
The first FIFA World Cup was hosted and won by Uruguay in 1930. The tournament featured 13 teams and took place from July 13 to July 30 in Montevideo. Uruguay defeated Argentina 4–2 in the final to claim the inaugural title. For more history see 1930 FIFA World Cup on Wikipedia.
What is the term for a word that has the opposite meaning of another word?
Antonym
Synonym
Homonym
Homograph
An antonym is a word that has the opposite meaning of another word, such as "hot" and "cold." Synonyms share similar meanings, while homonyms sound alike but have different meanings. Homographs are spelled the same but may differ in pronunciation and meaning. For further details see Antonym on Wikipedia.
In physics, what is the term for the amount of disorder in a system?
Entropy
Enthalpy
Thermodynamics
Kinetics
Entropy is a measure of the number of specific ways in which a thermodynamic system may be arranged, often understood as the degree of disorder or randomness. In the second law of thermodynamics, entropy tends to increase in an isolated system. It plays a central role in the study of energy transfer and the arrow of time. For a deeper dive see Entropy on Wikipedia.
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Study Outcomes
Assess General Knowledge IQ -
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Identify Strengths and Weaknesses -
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Recall Fun Trivia Facts -
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Cheat Sheet
Geography: Capitals & Flags -
Use the CIA World Factbook to memorize world capitals and national flags, then test recall with a proprofs quiz or www.proprofs.com quiz module. Group countries by continent and create flashcards to strengthen regional associations. Mapping exercises - sketching country outlines and labeling capitals - reinforce spatial memory effectively.
Pop Culture: Box Office & Music Charts -
Review the top 10 highest-grossing films from Box Office Mojo and the Billboard Hot 100 archives to spot trends. A proprofs quiz on movie milestones and chart-topping hits helps cement release years and artists' names. Use mnemonic rhymes - like "Titanic Two Thousand One" - to lock in key dates.
Scientific Principles: Newton's Laws of Motion -
Reference MIT OpenCourseWare for core definitions and equations such as F=ma and action - reaction pairs. Practice applying these laws through sample problems on a proprofs.com quiz, calculating force, mass, or acceleration. Visualize each law with everyday examples - like pushing a shopping cart - to solidify understanding.
Historical Timeline: Key Events & Dates -
Consult Britannica's "Timeline of World History" to chart major events - like 476 CE (fall of Western Rome) and 1945 CE (end of WWII) - using a simple chronological table. Test yourself using a proprofs quiz answers list to reveal gaps and reinforce sequencing. Mnemonic anchors, such as "Rome Falls, War Calls," make decades stick.
Chemistry Basics: Periodic Table Mnemonics -
Study IUPAC's periodic table organization and use the classic mnemonic "Happy Henry Likes Beer But Could Not Obtain Food" to recall element groups 1 - 10. Practice element symbols and atomic numbers with interactive modules on proprofs com quiz platforms. Grouping elements by similar properties helps in rapid identification.
