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Question 1: Which planet is known as the Red Planet?
- Jupiter
- Mars
- Venus
- Saturn
Answer: B. Mars
Explanation: Mars is widely known as the Red Planet due to the iron oxide, or rust, prevalent on its surface, which gives it a distinct reddish appearance when viewed from Earth.
Question 2: What is the largest ocean on Earth?
- Indian Ocean
- Arctic Ocean
- Atlantic Ocean
- Pacific Ocean
Answer: D. Pacific Ocean
Explanation: The Pacific Ocean is the largest and deepest of Earth's oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean in the south, covering vast areas.
Question 3: Which invention is credited to Alexander Graham Bell?
- Light bulb
- Printing press
- Telephone
- Airplane
Answer: C. Telephone
Explanation: Alexander Graham Bell was a Scottish-born inventor who is credited with patenting the first practical telephone in 1876, revolutionizing the way people communicate across long distances around the entire world.
Question 4: What is the primary language spoken in Brazil?
- Italian
- Portuguese
- Spanish
- French
Answer: B. Portuguese
Explanation: While many other South American countries speak Spanish, Brazil's official and most widely spoken language is Portuguese, a legacy of its history as a former colony of the Portuguese Empire.
Question 5: Which of these is a common file format for images?
- DOCX
- JPEG
- MP3
- EXE
Answer: B. JPEG
Explanation: JPEG is a widely used method of lossy compression for digital images. It is the standard format for storing and transmitting photographic images on the web and in digital devices.
Question 6: Which continent is the Sahara Desert located on?
- South America
- Australia
- Asia
- Africa
Answer: D. Africa
Explanation: The Sahara is the largest hot desert in the world and is located in Northern Africa, stretching across many countries from the Atlantic Ocean to the Red Sea coast.
Question 7: What is the chemical symbol for water?
- CO2
- NaCl
- O2
- H2O
Answer: D. H2O
Explanation: H2O is the chemical formula for water, indicating that each molecule consists of two hydrogen atoms covalently bonded to a single oxygen atom, which is essential for all known life.
Question 8: Which famous artist painted the Mona Lisa?
- Claude Monet
- Leonardo da Vinci
- Pablo Picasso
- Vincent van Gogh
Answer: B. Leonardo da Vinci
Explanation: Leonardo da Vinci, a polymath of the Italian Renaissance, painted the Mona Lisa in the early 16th century. It is currently displayed at the Louvre Museum in Paris, France.
Question 9: What does 'CPU' stand for in computing?
- Central Processing Unit
- Computer Personal Unit
- Central Program Utility
- Core Power Utility
Answer: A. Central Processing Unit
Explanation: The Central Processing Unit, or CPU, is the primary component of a computer that performs most of the processing inside the machine, often referred to as the brain of the computer.
Question 10: Which country is famous for the Eiffel Tower?
- Germany
- Italy
- Spain
- France
Answer: D. France
Explanation: The Eiffel Tower is a wrought-iron lattice tower on the Champ de Mars in Paris, France. It is named after the engineer Gustave Eiffel and is a global cultural icon.