Q20 · THE QUIZ POST
The Daily Quiz — 25 September 2026
Play the The Quiz Post quiz for 25 September 2026: 20 free general-knowledge questions covering Geography, Current Affairs, History and Literature, with explanations and crowd results.
About this edition
This 20-question The Quiz Post edition was published for 25 September 2026. Answer all four-option questions to reveal sourced explanations and see how other players answered.
Topics in this edition include Geography, Current Affairs, History and Literature.
Questions and sourced explanations
This archive edition remains playable. The notes below contain spoilers and provide the question text, explanatory context and source used for each item.
Read this edition’s question notes (spoilers)
Society & Culture · Easy
1. Which three colours appear in the Union Flag?
The flag combines the crosses of St George, St Andrew and St Patrick using red, white and blue.
Science · Easy
2. Which organ pumps blood around the human body?
The heart is the muscular organ that pumps blood through the body's circulatory system.
Geography · Easy
3. Which city is famous for the landmark tower called Big Ben?
Big Ben is the nickname for the Great Bell in the Elizabeth Tower at the Palace of Westminster in London.
Nature · Easy
4. What type of animal is a blue whale?
The blue whale is a marine mammal and, like other mammals, breathes air and nurses its young with milk.
Society & Culture · Medium
5. St George's Market is a well-known historic attraction in which UK city?
The Victorian covered market is one of Belfast's best-known shopping and food attractions.
Current Affairs · Medium
6. A parliamentary inquiry launched on 24 September 2026 examined the independence of which UK institution?
The Treasury Committee opened an inquiry into the framework for the Bank of England's monetary policy independence.
Source: Is the framework for Bank of England independence still fit for purpose 30 years
Science · Medium
7. Which instrument is used to look at very small objects by magnifying them?
A microscope uses lenses or other imaging systems to magnify objects too small to examine clearly with the unaided eye.
Literature · Medium
8. Who wrote The Gruffalo, illustrated by Axel Scheffler?
Donaldson wrote the story of a mouse who invents a fearsome creature, with illustrations by Scheffler.
Food & Drink · Medium
9. What is tahini traditionally made from?
Tahini is a paste made from finely ground sesame seeds and is widely used in Middle Eastern cooking.
History · Medium
10. Why did Porthcurno become an important site in Britain's nineteenth-century communications network?
Cable connections made Porthcurno a major telegraph station linking Britain with distant parts of the world.
Business & Economics · Medium
11. When a firm experiences economies of scale as it expands output, what happens to its average cost per unit?
Economies of scale occur when a larger scale of production lowers the average cost of producing each unit.
Technology · Medium
12. Why can a QR code often still be read when part of it is dirty or damaged?
QR Codes include error-correction data using Reed-Solomon coding, allowing some damaged or missing codewords to be reconstructed.
History · Hard
13. In feudal Japan, what was a daimyo?
A daimyo was a powerful feudal lord who controlled territory and commanded samurai retainers.
Geography · Hard
14. Which country has coastlines on both the Caspian Sea and the Persian Gulf?
Iran borders the Caspian Sea to the north and has a long coastline on the Persian Gulf to the south.
Current Affairs · Hard
15. Paramount Skydance cleared the final legal hurdles on 21 September for its $110 billion acquisition of which company?
Paramount Skydance settled challenges from U.S. states and a writers union, clearing the way for its $110 billion acquisition of Warner Bros Discovery.
Music · Hard
16. How does a traditional harpsichord produce a note when a key is pressed?
Pressing a harpsichord key raises a jack whose plectrum plucks a string; unlike a piano, it does not use a hammer to strike the string.
Geography · Hard
17. The chalk of England's white cliffs formed largely from what material?
Chalk consists largely of tiny calcareous skeletal remains of planktonic algae accumulated in ancient seas.
Source: Geology of the country around Hitchin. Memoir for 1:50 000 Geological Sheet 221
Sport · Hard
18. In Olympic weightlifting, which lift brings the barbell to the shoulders before a separate movement sends it overhead?
The clean and jerk has two phases: the clean brings the barbell to the shoulders, then the jerk drives it overhead.
Nature · Hard
19. In animal anatomy, what is the nictitating membrane?
The nictitating membrane is a third eyelid that can move across the eye, helping protect the cornea and spread the tear film.
Literature · Hard
20. In fiction or drama, when does dramatic irony occur?
Dramatic irony occurs when the audience or reader knows important information that one or more characters do not know.