Introduction
General Knowledge (GK) is not just about exams — it helps you understand the world in a smarter way. Whether you’re preparing for SSC, UPSC, Railway, Banking exams, or simply love learning fascinating facts, this list will boost your knowledge and confidence.
Here are 100 Amazing GK Facts That Will Blow Your Mind, presented in question–answer format with short explanations for better clarity.
100 Amazing GK Facts That Will Blow Your Mind
Question 1
Which is the largest desert in the world?
Answer: Antarctica
Explanation: Although often associated with ice, Antarctica receives very little precipitation, making it the largest cold desert in the world.
Question 2
Which planet has the longest day?
Answer: Venus
Explanation: Venus takes about 243 Earth days to rotate once, which is longer than its 225-day year.
Question 3
What is the smallest bone in the human body?
Answer: Stapes
Explanation: The stapes, located in the middle ear, helps transmit sound vibrations to the inner ear.
Question 4
Which country is home to the Great Barrier Reef?
Answer: Australia
Explanation: The Great Barrier Reef is the world’s largest coral reef system, located off Australia’s coast.
Question 5
Who invented the World Wide Web?
Answer: Tim Berners-Lee
Explanation: He invented it in 1989 while working at CERN.
Question 6
Which is the fastest land animal?
Answer: Cheetah
Explanation: A cheetah can run up to 100 km/h in short bursts.
Question 7
What is the capital of Canada?
Answer: Ottawa
Explanation: Ottawa is the political center of Canada, not Toronto.
Question 8
Which gas do plants absorb?
Answer: Carbon dioxide
Explanation: Plants use carbon dioxide during photosynthesis to make food.
Question 9
Which is the largest planet in our solar system?
Answer: Jupiter
Explanation: Jupiter is so large that all other planets could fit inside it.
Question 10
Which country has the most pyramids?
Answer: Sudan
Explanation: Sudan has more pyramids than Egypt, though they are less famous.
Question 11
Which is the deepest ocean trench?
Answer: Mariana Trench
Explanation: It reaches a depth of about 11,000 meters.
Question 12
Who discovered gravity?
Answer: Isaac Newton
Explanation: Newton formulated the law of gravity after observing a falling apple.
Question 13
What is the national animal of India?
Answer: Bengal Tiger
Explanation: It symbolizes strength and power.
Question 14
Which metal is liquid at room temperature?
Answer: Mercury
Explanation: Mercury remains liquid under normal conditions.
Question 15
What is the hardest natural substance?
Answer: Diamond
Explanation: Diamond ranks highest on the Mohs hardness scale.
Question 16
Which continent has the most countries?
Answer: Africa
Explanation: Africa has 54 recognized countries.
Question 17
What is the boiling point of water?
Answer: 100°C
Explanation: At standard atmospheric pressure, water boils at 100°C.
Question 18
Which is the longest river in the world?
Answer: Nile River
Explanation: The Nile flows through northeastern Africa.
Question 19
Who was the first man on the Moon?
Answer: Neil Armstrong
Explanation: He landed on the Moon in 1969 during Apollo 11.
Question 20
Which planet is known as the Red Planet?
Answer: Mars
Explanation: Mars appears red due to iron oxide on its surface.
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Question 21
Which country gifted the Statue of Liberty to the USA?
Answer: France
Explanation: France gifted it in 1886 as a symbol of friendship.
Question 22
What is the currency of Japan?
Answer: Yen
Explanation: The Japanese Yen is one of the most traded currencies globally.
Question 23
Which organ purifies blood in the human body?
Answer: Kidney
Explanation: Kidneys filter waste from the blood.
Question 24
Which is the tallest mountain in the world?
Answer: Mount Everest
Explanation: It stands at 8,848.86 meters above sea level.
Question 25
Which vitamin is produced by sunlight?
Answer: Vitamin D
Explanation: Skin produces Vitamin D when exposed to sunlight.
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Question 26
Which country is known as the Land of the Rising Sun?
Answer: Japan
Explanation: Japan lies east of the Asian continent.
Question 27
Which is the largest organ in the human body?
Answer: Skin
Explanation: Skin protects the body from external damage.
Question 28
Who wrote the Indian National Anthem?
Answer: Rabindranath Tagore
Explanation: He composed “Jana Gana Mana” in 1911.
Question 29
What is the speed of light?
Answer: Approximately 300,000 km/s
Explanation: Light travels at about 299,792 km per second in vacuum.
Question 30
Which blood group is known as the universal donor?
Answer: O Negative
Explanation: O negative blood can be given to almost anyone.
Question 31
Which is the largest ocean on Earth?
Answer: Pacific Ocean
Explanation: The Pacific Ocean covers more than 30% of the Earth’s surface, making it the largest and deepest ocean.
Question 32
Which country is the smallest in the world?
Answer: Vatican City
Explanation: Vatican City is an independent city-state surrounded by Rome, Italy, and is the smallest country by area and population.
Question 33
Which planet is known as the Morning Star?
Answer: Venus
Explanation: Venus is often visible just before sunrise or after sunset, earning the name Morning or Evening Star.
Question 34
Who is known as the Father of Computers?
Answer: Charles Babbage
Explanation: Charles Babbage designed the Analytical Engine, considered the first concept of a mechanical computer.
Question 35
Which is the longest bone in the human body?
Answer: Femur
Explanation: The femur, located in the thigh, is the strongest and longest bone in the human body.
Question 36
Which country has the longest coastline in the world?
Answer: Canada
Explanation: Canada has the longest coastline due to its extensive Arctic and Pacific shores.
Question 37
What is the currency of China?
Answer: Yuan (Renminbi)
Explanation: The official currency of China is the Renminbi, commonly referred to as Yuan.
Question 38
Which gas is most abundant in Earth’s atmosphere?
Answer: Nitrogen
Explanation: Nitrogen makes up about 78% of the Earth’s atmosphere.
Question 39
Which is the highest waterfall in the world?
Answer: Angel Falls
Explanation: Angel Falls in Venezuela drops from a height of 979 meters.
Question 40
Which organ pumps blood throughout the body?
Answer: Heart
Explanation: The heart circulates blood and supplies oxygen and nutrients to the body.
Question 41
Which country is known as the Land of the Midnight Sun?
Answer: Norway
Explanation: Norway experiences continuous daylight during summer months in some regions.
Question 42
Which is the largest island in the world?
Answer: Greenland
Explanation: Greenland is the largest island that is not considered a continent.
Question 43
Who was the first woman Prime Minister of India?
Answer: Indira Gandhi
Explanation: She served as India’s Prime Minister for multiple terms starting in 1966.
Question 44
Which is the fastest bird in the world?
Answer: Peregrine Falcon
Explanation: It can reach speeds over 300 km/h during a hunting dive.
Question 45
What is the chemical symbol for Gold?
Answer: Au
Explanation: Au comes from the Latin word “Aurum.”
Question 46
Which continent is known as the Dark Continent?
Answer: Africa
Explanation: The term was historically used due to limited European exploration.
Question 47
Which planet has the most moons?
Answer: Saturn
Explanation: Saturn currently holds the record for the highest number of known moons.
Question 48
Which is the longest river in Asia?
Answer: Yangtze River
Explanation: The Yangtze flows entirely within China and is the longest river in Asia.
Question 49
Which country invented paper?
Answer: China
Explanation: Paper was invented in China during the Han Dynasty.
Question 50
Which blood cells fight infections?
Answer: White Blood Cells
Explanation: WBCs help protect the body against diseases and infections.
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Question 51
Which is the tallest building in the world?
Answer: Burj Khalifa
Explanation: Located in Dubai, it stands at 828 meters tall.
Question 52
Who discovered penicillin?
Answer: Alexander Fleming
Explanation: He discovered penicillin in 1928, revolutionizing medicine.
Question 53
Which is the largest mammal?
Answer: Blue Whale
Explanation: The blue whale can grow up to 30 meters in length.
Question 54
Which metal is used in electric wires?
Answer: Copper
Explanation: Copper is a good conductor of electricity.
Question 55
Which country has the largest population?
Answer: India
Explanation: India recently surpassed China in population.
Question 56
Which is the hardest natural substance?
Answer: Diamond
Explanation: Diamond ranks highest on the Mohs hardness scale.
Question 57
Which ocean is the deepest?
Answer: Pacific Ocean
Explanation: The Mariana Trench is located in the Pacific Ocean.
Question 58
What is the capital of Italy?
Answer: Rome
Explanation: Rome is known as the Eternal City.
Question 59
Which is the largest continent?
Answer: Asia
Explanation: Asia covers about 30% of the world’s land area.
Question 60
Which is the national flower of India?
Answer: Lotus
Explanation: The lotus symbolizes purity and knowledge.
Question 61
Which is the longest railway platform in the world?
Answer: Hubballi Junction (India)
Explanation: It recently became the longest railway platform globally.
Question 62
Which planet is closest to the Sun?
Answer: Mercury
Explanation: Mercury has the shortest orbital period.
Question 63
Which country hosted the first FIFA World Cup?
Answer: Uruguay
Explanation: The first FIFA World Cup was held in 1930.
Question 64
Which is the largest hot desert?
Answer: Sahara Desert
Explanation: The Sahara spans much of North Africa.
Question 65
Which vitamin is essential for blood clotting?
Answer: Vitamin K
Explanation: Vitamin K plays a crucial role in blood coagulation.
Question 66
Which Indian city is known as the Pink City?
Answer: Jaipur
Explanation: Jaipur’s buildings were painted pink to welcome Prince Albert.
Question 67
Which is the smallest planet in our solar system?
Answer: Mercury
Explanation: After Pluto was reclassified, Mercury became the smallest planet.
Question 68
Which country is famous for the pyramids of Giza?
Answer: Egypt
Explanation: The Great Pyramid is one of the Seven Wonders of the Ancient World.
Question 69
Which organ controls the nervous system?
Answer: Brain
Explanation: The brain coordinates all voluntary and involuntary actions.
Question 70
Which country is known as the Land of Thousand Lakes?
Answer: Finland
Explanation: Finland has about 188,000 lakes.
Question 71
Who was the first President of India?
Answer: Dr. Rajendra Prasad
Explanation: He served from 1950 to 1962.
Question 72
Which is the fastest train in the world?
Answer: Shanghai Maglev
Explanation: It can reach speeds over 430 km/h.
Question 73
Which is the highest mountain in India?
Answer: Kangchenjunga
Explanation: It is the third-highest mountain in the world.
Question 74
Which gas is used in balloons to make them float?
Answer: Helium
Explanation: Helium is lighter than air and non-flammable.
Question 75
Which is the longest river in India?
Answer: Ganga
Explanation: The Ganga is considered sacred and flows through northern India.
Question 76
Which country is known as the Emerald Isle?
Answer: Ireland
Explanation: Ireland is famous for its lush green landscapes.
Question 77
Which is the largest democracy in the world?
Answer: India
Explanation: India conducts the largest elections globally.
Question 78
Which is the brightest planet in the night sky?
Answer: Venus
Explanation: Venus reflects sunlight strongly due to its thick clouds.
Question 79
Who wrote “Discovery of India”?
Answer: Jawaharlal Nehru
Explanation: He wrote it during his imprisonment.
Question 80
Which continent has no permanent residents?
Answer: Antarctica
Explanation: Only researchers temporarily stay there.
Question 81
Which is the largest museum in the world?
Answer: The Louvre
Explanation: Located in Paris, it houses thousands of artworks.
Question 82
Which is the national bird of India?
Answer: Peacock
Explanation: The peacock symbolizes grace and beauty.
Question 83
Which country is home to Mount Fuji?
Answer: Japan
Explanation: Mount Fuji is Japan’s highest mountain.
Question 84
Which is the largest internal organ in the human body?
Answer: Liver
Explanation: The liver performs vital metabolic functions.
Question 85
Which metal is most abundant in Earth’s crust?
Answer: Aluminium
Explanation: Aluminium makes up a large portion of the Earth’s crust.
Question 86
Which country is known as the Land of Kangaroos?
Answer: Australia
Explanation: Kangaroos are native to Australia.
Question 87
Which river flows through London?
Answer: Thames
Explanation: The River Thames is central to London’s history.
Question 88
Which planet is known for its rings?
Answer: Saturn
Explanation: Saturn has prominent ring systems.
Question 89
Which Indian state is the largest by area?
Answer: Rajasthan
Explanation: Rajasthan is the biggest Indian state by area.
Question 90
Which is the deepest ocean trench?
Answer: Mariana Trench
Explanation: It is the deepest known point in Earth’s oceans.
Question 91
Which country built the Panama Canal?
Answer: USA
Explanation: The USA completed the Panama Canal in 1914.
Question 92
Which is the smallest bone in the ear?
Answer: Stapes
Explanation: It helps transmit sound vibrations.
Question 93
Which city is known as the City of Love?
Answer: Paris
Explanation: Paris is famous for its romantic atmosphere.
Question 94
Which is the national currency of Russia?
Answer: Ruble
Explanation: The Russian Ruble is Russia’s official currency.
Question 95
Which animal is known as the Ship of the Desert?
Answer: Camel
Explanation: Camels can survive long periods without water.
Question 96
Which is the longest wall in the world?
Answer: Great Wall of China
Explanation: It stretches over 21,000 kilometers.
Question 97
Which is the largest freshwater lake by volume?
Answer: Lake Baikal
Explanation: It holds about 20% of the world’s freshwater.
Question 98
Which is the national tree of India?
Answer: Banyan Tree
Explanation: It symbolizes longevity and strength.
Question 99
Which country is known as the Land of Maple Leaf?
Answer: Canada
Explanation: The maple leaf appears on the national flag.
Question 100
Which star is closest to Earth?
Answer: The Sun
Explanation: The Sun is the center of our solar system and closest star to Earth.
Conclusion
These 100 Amazing GK Facts That Will Blow Your Mind cover science, geography, history, politics, and current affairs — perfect for competitive exams and quizzes. Keep revising regularly, stay curious, and challenge yourself with more GK topics to strengthen your knowledge base every day.
