Q20 · THE QUIZ POST
The Daily Quiz — 13 August 2026
Play the The Quiz Post quiz for 13 August 2026: 20 free general-knowledge questions covering Geography, Literature, Music and Science, with explanations and crowd results.
About this edition
This 20-question The Quiz Post edition was published for 13 August 2026. Answer all four-option questions to reveal sourced explanations and see how other players answered.
Topics in this edition include Geography, Literature, Music and Science.
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)
Science · Easy
1. Which organ in the human body produces insulin?
The pancreas produces insulin, a hormone central to regulating blood glucose.
Geography · Easy
2. Marrakech is a city in which country?
Marrakech is one of Morocco's best-known historic cities.
UK · Easy
3. Which British city hosted the 1948 Summer Olympics?
London hosted the first Summer Olympics after the Second World War.
Sport · Easy
4. In chess, which piece can jump over other pieces?
The knight is the only standard chess piece that can jump over intervening pieces.
Literature · Medium
5. Who wrote the novel Frankenstein?
Mary Shelley wrote Frankenstein; or, The Modern Prometheus, first published in 1818.
Current Affairs · Medium
6. What kind of solar eclipse was visible from the UK on 12 August 2026?
From the UK the Moon covered only part of the Sun; the path of totality lay elsewhere.
Source: How to watch the solar eclipse safely this summer – UK Health Security Agency
Geography · Medium
7. Which is the world's largest hot desert?
The Sahara is the world's largest hot desert, stretching across much of North Africa.
Geography · Medium
8. Eryri, also known as Snowdonia, is a national park in which part of the UK?
Eryri National Park is in north-west Wales.
Music · Medium
9. In music theory, what is the relative minor key of C major?
C major and A minor share the same key signature, making A minor the relative minor of C major.
History · Medium
10. Angkor Wat was built by which empire?
Angkor Wat was built in the 12th century under the Khmer Empire in present-day Cambodia.
Music · Medium
11. Which British singer released the hit Rolling in the Deep?
Rolling in the Deep was the lead single from Adele's album 21.
Geography · Medium
12. Which river flows through Budapest?
The Danube flows between Buda and Pest through the centre of Budapest.
Science · Hard
13. Which moon has a dense nitrogen-rich atmosphere and lakes of liquid methane and ethane on its surface?
Saturn's moon Titan has a thick nitrogen-rich atmosphere and hydrocarbon lakes and seas.
Literature · Hard
14. Who wrote the political-philosophy work Leviathan?
Thomas Hobbes published Leviathan in 1651, setting out his influential theory of political authority.
Current Affairs · Hard
15. An International Energy Agency report on 12 August linked a major 2026 oil-supply shortfall to the shutdown of which strait?
The IEA cited the Strait of Hormuz shutdown among the major disruptions driving the global oil-supply deficit.
Arts · Hard
16. Who painted The Garden of Earthly Delights?
The Garden of Earthly Delights is the celebrated triptych by Hieronymus Bosch.
Literature · Hard
17. Which author wrote the Victorian novel Middlemarch?
Middlemarch was written by George Eliot, the pen name of Mary Ann Evans.
Science · Hard
18. Which scientist formulated the three laws of planetary motion?
Johannes Kepler formulated three mathematical laws describing planetary orbits around the Sun.
History · Hard
19. Which 1783 treaty formally ended the American Revolutionary War?
The Treaty of Paris, signed in 1783, formally ended the war between Britain and the United States.
Music · Hard
20. Which composer wrote The Well-Tempered Clavier?
Johann Sebastian Bach composed the two books of preludes and fugues known as The Well-Tempered Clavier.