Which country gifted the 'Statue of Liberty' to the USA?
✅ Correct Answer:France
Explanation: The Statue of Liberty was a gift from the people of France to the United States. It was dedicated in 1886 to commemorate the alliance between France and the US during the American Revolution. It was designed by French sculptor Frédéric Auguste Bartholdi. It stands in New York Harbor.
62
The study of earthquakes is called:
✅ Correct Answer:Seismology
Explanation: Seismology is the scientific study of earthquakes and the propagation of elastic waves through the Earth. Scientists who study this are called seismologists. They use instruments called seismographs to record ground motion. This helps in understanding Earth's internal structure.
63
Which is the largest planet in our Solar System?
✅ Correct Answer:Jupiter
Explanation: Jupiter is the largest planet in the Solar System. It is a gas giant with a mass more than two and a half times that of all the other planets combined. It is known for its Great Red Spot, a giant storm. It has over 79 known moons.
64
Who is the founder of Microsoft?
✅ Correct Answer:Bill Gates
Explanation: Bill Gates co-founded Microsoft along with Paul Allen in 1975. Microsoft became the world's largest personal computer software company. Gates was the CEO and chief software architect. He is also known for his philanthropy through the Gates Foundation.
65
Which gas is known as 'Laughing Gas'?
✅ Correct Answer:Nitrous Oxide
Explanation: Nitrous Oxide (N2O) is commonly known as Laughing Gas. It is used as an anesthetic in dentistry and surgery. Inhaling it causes euphoria and a slight numbing sensation. It is a colorless non-flammable gas.
66
The longest river in the world is:
✅ Correct Answer:Nile River
Explanation: The Nile River is generally considered the longest river in the world. It flows north through northeastern Africa into the Mediterranean Sea. It is about 6,650 km long. However, some studies suggest the Amazon might be slightly longer.
67
Headquarters of NASA is located in:
✅ Correct Answer:Washington D.C.
Explanation: NASA (National Aeronautics and Space Administration) is headquartered in Washington, D.C. It was established in 1958. While launch operations happen in Florida and mission control is in Houston, the administrative HQ is in the capital. It oversees the US space program.
68
Which country is called the 'Land of Midnight Sun'?
✅ Correct Answer:Norway
Explanation: Norway is famously known as the 'Land of the Midnight Sun'. In the northern parts of the country, the sun does not set for weeks during summer. This phenomenon occurs north of the Arctic Circle. Visitors can see the sun at midnight.
69
Total number of bones in an adult human body is:
✅ Correct Answer:206
Explanation: An adult human skeleton consists of 206 bones. Babies are born with about 300 bones, but many fuse together as they grow. The longest bone is the femur (thigh bone). The smallest bone is the stapes in the ear.
70
The currency of Japan is:
✅ Correct Answer:Yen
Explanation: The Yen (JPY) is the official currency of Japan. It is the third most traded currency in the foreign exchange market. The word 'Yen' means 'circle' or 'round object'. It was adopted by the Meiji government in 1871.
71
Which is the largest organ in the human body?
✅ Correct Answer:Skin
Explanation: The skin is the largest organ of the human body. It covers the entire external surface and protects internal organs. An average adult's skin weighs about 3.6 kilograms. It plays a key role in regulating body temperature and sensation.
72
Who painted the Mona Lisa?
✅ Correct Answer:Leonardo da Vinci
Explanation: The Mona Lisa was painted by the Italian artist Leonardo da Vinci. It is considered the most famous painting in the world. It was painted in the early 16th century. The painting is currently displayed at the Louvre Museum in Paris.
73
What is the national flower of Pakistan?
✅ Correct Answer:Jasmine
Explanation: Jasmine (Chambeli) is the national flower of Pakistan. It was chosen for its pleasant fragrance and its white color, which symbolizes peace. It grows abundantly in Pakistan. The flower is often used in weddings and festivals.
74
Which sea has no coastline?
✅ Correct Answer:Sargasso Sea
Explanation: The Sargasso Sea is the only sea in the world without a coastline. It is located entirely within the Atlantic Ocean. It is defined by ocean currents rather than land boundaries. It is named after the Sargassum seaweed that floats in it.
75
The hardest substance available on Earth is:
✅ Correct Answer:Diamond
Explanation: Diamond is the hardest known natural substance on Earth. It is a solid form of the element carbon with its atoms arranged in a crystal structure. On the Mohs scale of mineral hardness, it scores a perfect 10. It is used in jewelry and industrial cutting tools.
76
What does 'CPU' stand for in computers?
✅ Correct Answer:Central Processing Unit
Explanation: CPU stands for Central Processing Unit. It is often called the 'brain' of the computer. It executes instructions comprising a computer program. Modern CPUs are microprocessors contained on a single integrated circuit (IC) chip.
77
Which country has the most number of lakes?
✅ Correct Answer:Canada
Explanation: Canada has more lakes than the rest of the world's lakes combined. It is estimated to have over 2 million lakes. About 9% of Canada's surface area is covered by fresh water. The Great Bear Lake and Great Slave Lake are among the largest.
78
The Great Wall of China is approximately how long?
✅ Correct Answer:21,196 km
Explanation: The total length of the Great Wall of China is approximately 21,196 km. It is a series of fortifications made of stone, brick, and other materials. It was built to protect the Chinese states from invasions. It is one of the most impressive architectural feats in history.
79
Which serves as the 'Powerhouse' of the cell?
✅ Correct Answer:Mitochondria
Explanation: Mitochondria are known as the powerhouses of the cell. They generate most of the cell's supply of adenosine triphosphate (ATP), used as a source of chemical energy. They have their own genetic material. They are found in nearly all eukaryotic cells.
80
Who invented the World Wide Web (WWW)?
✅ Correct Answer:Tim Berners-Lee
Explanation: Sir Tim Berners-Lee, a British computer scientist, invented the WWW in 1989. He implemented the first successful communication between an HTTP client and server via the Internet. He did this while working at CERN. He gave the web to the world for free.