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81. Which scientist is famous for formulating the laws of motion?
- A) Albert Einstein
- B) Isaac Newton
- C) Galileo Galilei
- D) Niels Bohr
Answer: B) Isaac Newton
82. Which country is home to the world’s longest river, the Nile?
- A) Egypt
- B) Sudan
- C) Ethiopia
- D) Uganda
Answer: A) Egypt
83. In which year did India gain independence from Britain?
- A) 1945
- B) 1947
- C) 1950
- D) 1952
Answer: B) 1947
84. What is the most widely spoken language in the world by total speakers?
- A) Mandarin
- B) English
- C) Hindi
- D) Spanish
Answer: B) English
85. Which vitamin is produced in the skin in response to sunlight?
- A) Vitamin A
- B) Vitamin B
- C) Vitamin D
- D) Vitamin C
Answer: C) Vitamin D
86. Which African country is known as the “Pearl of Africa”?
- A) Uganda
- B) Kenya
- C) Tanzania
- D) Nigeria
Answer: A) Uganda
87. Which organ in the human body is responsible for filtering blood?
- A) Heart
- B) Lungs
- C) Kidneys
- D) Liver
Answer: C) Kidneys
88. What is the main component of the Earth’s core?
- A) Magnesium
- B) Nickel
- C) Iron
- D) Silicon
Answer: C) Iron
89. Who was the first female Prime Minister of the United Kingdom?
- A) Theresa May
- B) Margaret Thatcher
- C) Angela Merkel
- D) Jacinda Ardern
Answer: B) Margaret Thatcher
90. Which instrument is used to measure humidity?
- A) Thermometer
- B) Barometer
- C) Hygrometer
- D) Anemometer
Answer: C) Hygrometer
91. Which continent is the Sahara Desert located on?
- A) Asia
- B) North America
- C) Africa
- D) Australia
Answer: C) Africa
92. Who is credited with inventing the World Wide Web?
- A) Bill Gates
- B) Tim Berners-Lee
- C) Steve Jobs
- D) Mark Zuckerberg
Answer: B) Tim Berners-Lee
93. What is the main gas found in the Earth’s atmosphere?
- A) Oxygen
- B) Nitrogen
- C) Carbon Dioxide
- D) Hydrogen
Answer: B) Nitrogen
94. Which country has won the most Olympic medals overall?
- A) Russia
- B) China
- C) Germany
- D) United States
Answer: D) United States
95. What is the tallest building in the world as of 2024?
- A) Shanghai Tower
- B) Burj Khalifa
- C) Taipei 101
- D) One World Trade Center
Answer: B) Burj Khalifa
96. In which year was the European Union formed?
- A) 1957
- B) 1973
- C) 1993
- D) 2000
Answer: C) 1993
97. Which planet in the Solar System has the most moons?
- A) Earth
- B) Mars
- C) Jupiter
- D) Saturn
Answer: D) Saturn
98. Which famous explorer is credited with discovering the Americas in 1492?
- A) Marco Polo
- B) Christopher Columbus
- C) Ferdinand Magellan
- D) Vasco da Gama
Answer: B) Christopher Columbus
99. What is the currency of Switzerland?
- A) Euro
- B) Franc
- C) Dollar
- D) Pound
Answer: B) Franc
100. Who was the first African-American President of the United States?
- A) Bill Clinton
- B) Barack Obama
- C) George W. Bush
- D) Colin Powell
Answer: B) Barack Obama
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