True or false
20 true or false quiz questions
Twenty true or false questions in four rounds, each with a one-line explanation. Several are chosen because the obvious answer is wrong.
A shortened quiz, to play solo
20 questions to play on your own, online. Type your answers and get your score at the end. No PDFs and no group play.
Playing with other people? Get the full quiz
- 50 questions, none of them on this page
- Question and answer PDFs, with answer sheets and tie-breakers
- Host it live: a private game room, everyone answers on their phones
- Questions
- 20
- Rounds
- 4
- Difficulty
- Easy to hard
Round 01
Science and nature
- Difficulty: easy
True or false: diamonds are made of carbon?
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True
So is the graphite in a pencil.
- Difficulty: medium
True or false: people only use 10 per cent of their brains?
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False
Brain scans show we use virtually all of it, just not all at once.
- Difficulty: easy
True or false: there is no gravity on the Moon?
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False
There is, at about a sixth of the strength of the Earth's.
- Difficulty: medium
True or false: no mammals lay eggs?
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False
The platypus and the echidnas do.
- Difficulty: medium
True or false: water boils at a lower temperature at the top of a mountain?
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True
The air pressure is lower, so it takes less heat to boil.
Round 02
History
- Difficulty: medium
True or false: Napoleon was unusually short?
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False
He was about average height for a Frenchman of his time. British cartoonists made him tiny.
- Difficulty: medium
True or false: Vikings wore horned helmets into battle?
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False
The horns were added by 19th-century artists and opera costume designers.
- Difficulty: hard
True or false: Cleopatra lived closer in time to the Moon landing than to the building of the Great Pyramid?
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True
The pyramid was already about 2,500 years old when she was born.
- Difficulty: hard
True or false: the Great Fire of London killed thousands of people?
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False
Only a handful of deaths were recorded, though the true figure is unknown.
- Difficulty: hard
True or false: the University of Oxford is older than the Aztec Empire?
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True
Teaching began at Oxford before 1100. The Aztec capital was founded in 1325.
Round 03
Geography
- Difficulty: hard
True or false: Russia has a bigger surface area than Pluto?
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True
Russia covers about 17 million square kilometres, slightly more than Pluto.
- Difficulty: easy
True or false: the capital of Canada is Toronto?
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False
It is Ottawa.
- Difficulty: medium
True or false: Istanbul lies in both Europe and Asia?
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True
The Bosphorus strait runs through the middle of the city.
- Difficulty: hard
True or false: the Sahara is the largest desert in the world?
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False
Antarctica is a desert too, and it is bigger.
- Difficulty: hard
True or false: Maine is the closest US state to Africa?
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True
It juts further east than Florida.
Round 04
Food and odd facts
- Difficulty: medium
True or false: peanuts are nuts?
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False
They are legumes, like peas and beans, and grow underground.
- Difficulty: hard
True or false: a banana is a berry, but a strawberry is not?
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True
Botanists define berries by how the fruit forms, which rules strawberries out.
- Difficulty: medium
True or false: the first carrots grown as food were purple, not orange?
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True
Orange carrots were bred later, in the Netherlands.
- Difficulty: hard
True or false: the man who designed the Pringles tube had some of his ashes buried in one?
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True
Fredric Baur asked for it, and his family obliged in 2008.
- Difficulty: medium
True or false: a group of flamingos is called a flamboyance?
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True
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Now play it with everyone
That was the free solo version. The True or False Quiz has 50 brand-new questions in 5 rounds, with question and answer PDFs to print, or host it live with everyone on their phones. Instant download.
Solo is free. Playing with a group? That’s the full quiz.
Free version · this page
A shortened quiz, solo only
20 questions to play on your own, online
- 20 questions, marked for you
- Your score, answers and explanations at the end
- No PDFs: nothing to print or hand round
- No group hosting or live game room
- No team answer sheets or tie-breakers
- Anyone can look these questions up
Full version · £4.99
Everything you need to host a group
The True or False Quiz
- A longer quiz: 50 questions (this page has 20), none of them on this site
- Host pack with every statement, answer and explanation (PDF)
- Science, history, geography, animals, and entertainment and sport
- Team answer sheets and scoresheet
- Two tie-breakers
- Host it live for 30 days: a private game room with a join code, everyone answers on their phones, live leaderboard, up to 100 players
- For family and friends · instant download, and it never expires
Quiz Box Unlimited
Every quiz. One price.
- All 24 quiz packs (1,680 questions) to download, plus every new one
- Host them online: players join on their phones with a QR code or link
- Play any quiz solo, game-show style
- Cancel any time
Spotted a mistake, or got a question you'd like to see? Tell us
How to run it
- Everyone answers at once: hands up for true, hands down for false. It keeps the whole room playing.
- Read out the explanation after each answer. The arguments are the best bit.
- No pens needed, so it works on a video call or in the car.