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Looking for MCQs? You're in the right place! Whether you're preparing for competitive exams, school boards or just aiming to improve your knowledge, we offer MCQs for all levels and subjects.
Answer: Alexander Graham Bell
Alexander Graham Bell invented the first successful telephone in 1876, revolutionizing communication.
Answer: Al-Jazari
Al-Jazari invented the first mechanical clock in the 12th century, contributing to the development of timekeeping.
Answer: Nicolaus Copernicus
Nicolaus Copernicus proposed the heliocentric model of the solar system, placing the Sun at the center.
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Answer: Guglielmo Marconi
Guglielmo Marconi invented the first successful radio, enabling wireless communication.
Answer: Ivan Pavlov
Ivan Pavlov developed the theory of classical conditioning, demonstrating how behaviors can be learned through association.
Answer: Dmitri Mendeleev
Dmitri Mendeleev developed the first periodic table of elements, organizing them by atomic mass and properties.
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Answer: Albert Einstein
Albert Einstein developed the theory of general relativity, explaining how gravity affects the fabric of space and time.
Answer: Karl Landsteiner
Karl Landsteiner discovered the blood group system in 1901, which revolutionized blood transfusion.
Answer: George Stephenson
George Stephenson is credited with inventing the first successful steam-powered locomotive, known as The Rocket.
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Answer: Charles Darwin
Charles Darwin developed the theory of natural selection, explaining how species evolve over time based on environmental pressures.
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