1.
What is the capital of France?
Correct Answer
C. Paris
Explanation
Paris is the capital and most populous city of France, known for its art, fashion, and culture. It is also a major European city and a global center for art, fashion, gastronomy, and culture.
2.
Who is known as the Father of Economics?
Correct Answer
A. Adam Smith
Explanation
Adam Smith is considered the father of modern economics due to his influential works, particularly "The Wealth of Nations," which laid the foundations for classical free-market economic theory. His ideas about the invisible hand and the division of labor have had a profound impact on economic thought.
3.
What is the primary gas found in the Earth's atmosphere?
Correct Answer
B. Nitrogen
Explanation
Nitrogen is the primary gas in the Earth's atmosphere, making up about 78% of the air by volume. It is a colorless, odorless, and mostly inert gas, which is essential for the growth of living organisms, as it is a major component of amino acids and proteins.
4.
Which river is the longest in the world?
Correct Answer
B. Nile
Explanation
The Nile River is the longest river in the world, stretching approximately 6,650 kilometers (4,130 miles) through northeastern Africa. It flows through eleven countries, including Egypt and Sudan, and is a crucial water source for agriculture and daily life in these regions.
5.
Who was the first President of the United States?
Correct Answer
A. George Washington
Explanation
George Washington was the first President of the United States, serving from 1789 to 1797. He is known for his leadership during the American Revolutionary War and for presiding over the Constitutional Convention of 1787, which led to the formation of the U.S. Constitution.
6.
What is the largest ocean on Earth?
Correct Answer
D. Pacific Ocean
Explanation
The Pacific Ocean is the largest ocean on Earth, covering more than 63 million square miles and containing more than half of the free water on Earth. It stretches from the Arctic Ocean in the north to the Southern Ocean in the south and is bounded by Asia and Australia on the west and the Americas on the east.
7.
Who wrote "The Origin of Species"?
Correct Answer
B. Charles Darwin
Explanation
Charles Darwin wrote "The Origin of Species," published in 1859. This groundbreaking work introduced the theory of evolution by natural selection, explaining how species evolve over time due to changes in heritable physical or behavioral traits.
8.
Which country is known as the Land of the Rising Sun?
Correct Answer
B. Japan
Explanation
Japan is known as the Land of the Rising Sun because of its geographical location to the east of the Asian continent. The name refers to the country’s position relative to China and the fact that the sun rises in the east. The Japanese word for Japan is "Nihon" or "Nippon," which translates to "origin of the sun."
9.
What is the currency of the United Kingdom?
Correct Answer
C. Pound Sterling
Explanation
The currency of the United Kingdom is the Pound Sterling, often referred to simply as the pound. It is the oldest currency in continuous use and is denoted by the symbol £. The Bank of England, established in 1694, is the central bank of the UK and issues the currency.
10.
Which country hosted the first modern Olympic Games?
Correct Answer
B. Greece
Explanation
Greece hosted the first modern Olympic Games in 1896 in Athens. The Games were inspired by the ancient Olympic Games held in Olympia, Greece, and aimed to foster international unity and peace through sports.
11.
Who painted the Mona Lisa?
Correct Answer
C. Leonardo da Vinci
Explanation
Leonardo da Vinci painted the Mona Lisa, one of the most famous and iconic artworks in the world. Painted between 1503 and 1506, it is known for its subject’s enigmatic expression and masterful technique, and it is displayed at the Louvre Museum in Paris.
12.
What is the smallest continent by land area?
Correct Answer
B. Australia
Explanation
Australia is the smallest continent by land area, covering about 7.692 million square kilometers. It is unique for its diverse ecosystems, including deserts, tropical rainforests, and extensive coastal regions.
13.
Who developed the theory of relativity?
Correct Answer
D. Albert Einstein
Explanation
Albert Einstein developed the theory of relativity, which revolutionized our understanding of space, time, and gravity. His famous equation E=mc^2 expresses the equivalence of energy (E) and mass (m), with c representing the speed of light in a vacuum.
14.
What year did World War I begin?
Correct Answer
A. 1914
Explanation
World War I began in 1914, triggered by the assassination of Archduke Franz Ferdinand of Austria. The conflict involved many of the world's great powers and was one of the deadliest conflicts in history, ending in 1918.
15.
What is the hardest natural substance on Earth?
Correct Answer
D. Diamond
Explanation
Diamond is the hardest natural substance on Earth. Composed of carbon atoms arranged in a crystal lattice, diamonds are renowned for their exceptional hardness, making them valuable in industrial applications and as gemstones in jewelry.
16.
Who is known as the Iron Lady?
Correct Answer
B. Margaret Thatcher
Explanation
Margaret Thatcher is known as the Iron Lady, a nickname given to her by a Soviet journalist for her strong-willed and uncompromising leadership style. She was the Prime Minister of the United Kingdom from 1979 to 1990 and was the first woman to hold that office.
17.
What is the powerhouse of the cell?
Correct Answer
B. Mitochondria
Explanation
Mitochondria are known as the powerhouse of the cell because they generate most of the cell's supply of adenosine triphosphate (ATP), used as a source of chemical energy. Mitochondria are found in nearly all eukaryotic cells and are critical for cellular respiration.
18.
What is the smallest planet in our solar system?
Correct Answer
D. Mercury
Explanation
Mercury is the smallest planet in our solar system and the closest to the sun. It has a diameter of about 4,880 kilometers (3,032 miles) and is known for its extremely high temperatures during the day and extremely low temperatures at night due to its thin atmosphere.
19.
Who invented the telephone?
Correct Answer
B. Alexander Graham Bell
Explanation
Alexander Graham Bell invented the telephone in 1876. His invention revolutionized communication, allowing people to talk to each other over long distances almost instantaneously. Bell's work laid the foundation for the modern telecommunications industry.
20.
What is the tallest mountain in the world?
Correct Answer
D. Mount Everest
Explanation
Mount Everest is the tallest mountain in the world, with a peak that reaches 8,848 meters (29,029 feet) above sea level. It is part of the Himalayas and is located on the border between Nepal and the Tibet Autonomous Region of China.