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📅 Daily Quiz

Daily True or False
September 18, 2026

10 true or false questions from this day's daily challenge. Click each one to reveal the answer and explanation.

1.

Hammerhead sharks can survive in freshwater environments for extended periods.

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Medium
✗ FALSE

Hammerhead sharks are strictly marine and cannot tolerate freshwater. Only a few shark species, like the bull shark, can survive in rivers and lakes.

2.

Camille Pissarro died in the year 1910.

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Easy
✗ FALSE

Pissarro died on November 13, 1903, in Paris. He lived 73 years, producing art until his final months.

3.

Keith Haring designed a mural for the 1988 Summer Olympics in Seoul.

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Hard
✓ TRUE

Keith Haring created a large mural at the Olympic Park in Seoul for the 1988 Summer Olympics, featuring his iconic figures.

4.

The Marvel Comics character Scorpion's real name is MacDonald Gargan.

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Medium
✓ TRUE

MacDonald Gargan is the human identity of the Scorpion, a private investigator turned supervillain in Marvel Comics.

5.

Penicillin works by weakening the cell walls of bacteria, causing them to burst.

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Easy
✓ TRUE

Penicillin inhibits enzymes that build bacterial cell walls, leading to osmotic lysis—bacteria literally pop.

6.

Patagonia is a region that spans both Argentina and Chile.

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Medium
✓ TRUE

Patagonia covers the southern portions of both countries, divided by the Andes. It includes Argentine steppes and Chilean fjords and glaciers.

7.

Marina Abramović was a professor of performance art at Yale University for 15 years.

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Medium
✗ FALSE

Abramović taught performance art for many years at the University of Fine Arts Hamburg, not at Yale. She has never held a professorship at Yale University.

8.

Pablo Picasso painted The Starry Night in the year 1889.

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Medium
✗ FALSE

The Starry Night was painted by Vincent van Gogh in 1889. Picasso was only eight years old at the time.

9.

René Magritte began his career as a commercial artist designing wallpaper and advertising posters.

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Hard
✓ TRUE

Magritte worked as a wallpaper designer and advertising poster artist before gaining fame as a surrealist painter.

10.

Max Ernst studied at the Bauhaus school under Walter Gropius.

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Medium
✗ FALSE

Max Ernst never attended the Bauhaus. He studied philosophy and art history at the University of Bonn and was largely self-taught as an artist.

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