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120 true or false quiz questions with answers

True or false questions are the fastest way to check whether a class has understood a topic: one line to read, one decision to make, and instant marking. Below are 120 ready-to-use questions with answers, grouped by subject. Copy the ones you need, or paste them into a Quizforge test and share a single link with your class.

How to use these in a real test

Pick 10–20 questions that match what you taught this week.
Paste them into the Quizforge editor, or drop them into the Excel or Word template and import them in one upload.
Set a timer, shuffle the order, and publish to get a shareable link or code.
Scores are marked automatically — you get a per-student and per-question report.

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Science true or false questions

Physics, chemistry and biology basics for middle and high school classes.

1.Sound travels faster in water than in air.True
2.The chemical symbol for gold is Ag.Ag is silver; gold is Au.False
3.Humans have four lungs.Two lungs, with the left one slightly smaller.False
4.Light travels faster than sound.True
5.Plants release oxygen during photosynthesis.True
6.An adult human skeleton has 206 bones.True
7.Sharks are mammals.Sharks are fish.False
8.Water boils at 100 °C at sea level.True
9.Lightning never strikes the same place twice.False
10.The heart pumps blood around the body.True
11.Diamonds are made of carbon.True
12.Sound can travel through a vacuum.False
13.The Earth's core is mostly iron and nickel.True
14.Bats are blind.Most bats see well and also use echolocation.False
15.Rust forms when iron reacts with oxygen and water.True

Space and astronomy true or false questions

Planets, stars and space missions — popular warm-up questions.

1.The Sun is a star.True
2.Mars is known as the Red Planet.True
3.Jupiter is the largest planet in the Solar System.True
4.The Moon produces its own light.It reflects sunlight.False
5.Venus is the hottest planet in the Solar System.True
6.Pluto is currently classified as a dwarf planet.True
7.A light year measures time, not distance.False
8.Neil Armstrong was the first person to walk on the Moon.True
9.Saturn is the only planet with rings.Jupiter, Uranus and Neptune have rings too.False
10.The Earth takes exactly 24 hours to orbit the Sun.False
11.There is no gravity in space.Gravity exists; astronauts are in free fall.False
12.The Milky Way is a galaxy.True
13.Mercury is the planet closest to the Sun.True
14.Comets are mostly made of ice and dust.True
15.The International Space Station orbits the Earth.True

Geography true or false questions

Continents, countries, rivers and landmarks.

1.The Nile is a river in Africa.True
2.Australia is both a country and a continent.True
3.The Sahara is the largest hot desert in the world.True
4.Mount Everest is in South America.It sits on the Nepal–China border.False
5.Canada is the largest country in the world by area.Russia is the largest.False
6.The Pacific is the largest ocean.True
7.Tokyo is the capital of Japan.True
8.The Amazon rainforest is mostly in Brazil.True
9.There are seven continents.True
10.The Equator passes through Kenya.True
11.New Delhi is the capital of India.True
12.Iceland is covered entirely in ice.False
13.The Great Barrier Reef lies off the coast of Australia.True
14.The Dead Sea is the lowest point on land.True
15.Africa has more countries than Europe.True

History true or false questions

World events, leaders and turning points.

1.The Second World War ended in 1945.True
2.The Great Wall of China was built in a single year.False
3.Ancient Egyptians built the pyramids at Giza.True
4.The Titanic sank on its maiden voyage.True
5.India gained independence in 1947.True
6.The Roman Empire was centred on Rome.True
7.Christopher Columbus was the first human in the Americas.Indigenous peoples lived there for millennia.False
8.The printing press was invented by Johannes Gutenberg.True
9.The Berlin Wall fell in 1989.True
10.Cleopatra ruled ancient Egypt.True
11.The First World War began in 1914.True
12.The Industrial Revolution started in Britain.True
13.Mahatma Gandhi led a non-violent independence movement.True
14.The Olympic Games began in ancient Rome.They began in ancient Greece.False
15.The Cold War involved direct large-scale combat between the USA and USSR.False

Maths true or false questions

Number sense, shapes and quick mental-maths checks.

1.A triangle's interior angles add up to 180 degrees.True
2.Zero is an even number.True
3.1 is a prime number.Primes have exactly two distinct factors.False
4.A square is a type of rectangle.True
5.The square root of 144 is 12.True
6.Pi is exactly equal to 22/7.22/7 is only an approximation.False
7.A circle has infinite lines of symmetry.True
8.Multiplying any number by zero gives zero.True
9.All even numbers are divisible by 4.False
10.The perimeter of a shape is the distance around it.True
11.A right angle measures 90 degrees.True
12.0.5 is the same as 50%.True
13.Negative numbers are smaller than zero.True
14.The median is always the same as the mean.False
15.A cube has six faces.True

English and grammar true or false questions

Grammar rules, literature and vocabulary.

1.A noun names a person, place or thing.True
2.Every sentence must contain a verb.True
3.'Their' and 'there' mean the same thing.False
4.An adjective describes a noun.True
5.William Shakespeare wrote Romeo and Juliet.True
6.A synonym is a word with the opposite meaning.That's an antonym.False
7.The English alphabet has 26 letters.True
8.A proper noun always begins with a capital letter.True
9.'Quickly' is an adverb.True
10.A simile compares two things using 'like' or 'as'.True
11.Punctuation marks change the meaning of a sentence.True
12.'Its' with an apostrophe means belonging to it."It's" is short for "it is".False
13.A paragraph can contain more than one sentence.True
14.The past tense of 'go' is 'goed'.It's 'went'.False
15.A haiku traditionally has three lines.True

Human body and health true or false questions

Anatomy and healthy-habits questions for younger classes.

1.The skin is the largest organ in the human body.True
2.Humans normally have 32 adult teeth.True
3.The brain controls the nervous system.True
4.Drinking water is important for health.True
5.Blood is blue inside the body.Blood is always red.False
6.Bones can repair themselves after a break.True
7.The stomach digests food.True
8.We use only 10% of our brain.False
9.Exercise strengthens the heart.True
10.Vitamin C is found in citrus fruits.True
11.Sleep helps memory and learning.True
12.Hair and nails are made mostly of keratin.True
13.Human body temperature is normally around 37 °C.True
14.You can catch a cold from cold weather alone.Colds are caused by viruses.False
15.The ears help with balance as well as hearing.True

General knowledge true or false questions

Mixed trivia that works as an icebreaker or quick recap round.

1.There are 12 months in a year.True
2.A leap year has 366 days.True
3.The colour you get by mixing blue and yellow paint is green.True
4.Bananas grow on trees.Banana plants are giant herbs, not trees.False
5.Honey never spoils.True
6.A group of lions is called a pride.True
7.Football is played with 11 players per side.True
8.The currency of Japan is the yen.True
9.Penguins live at the North Pole.Wild penguins live in the southern hemisphere.False
10.The Mona Lisa was painted by Leonardo da Vinci.True
11.Octopuses have three hearts.True
12.A decade is 100 years.A decade is 10 years.False
13.Chess is played on a board with 64 squares.True
14.Cows can climb down stairs easily.False
15.Recycling reduces the amount of waste sent to landfill.True

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