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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: Jonas Salk
Jonas Salk developed the first effective polio vaccine, leading to the eventual eradication of the disease.
Answer: Herbert Spencer
Herbert Spencer developed the theory of social evolution, applying evolutionary principles to societies.
Answer: Alexander Graham Bell
Alexander Graham Bell is credited with inventing the first practical telephone in 1876.
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Answer: Isaac Newton
Isaac Newton formulated the three laws of motion, which are foundational principles in physics.
Answer: Alessandro Volta
Alessandro Volta is credited with inventing the first practical electric battery, known as the Voltaic pile.
Answer: William Herschel
William Herschel discovered the planet Uranus in 1781, expanding our understanding of the solar system.
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Answer: Henri Becquerel
Henri Becquerel discovered radioactivity in 1896, laying the groundwork for further studies in nuclear physics.
Answer: Albert Einstein
Albert Einstein developed the theory of relativity, revolutionizing our understanding of time, space and gravity.
Answer: Johannes Gutenberg
Johannes Gutenberg invented the printing press in the 15th century, significantly impacting communication and education.
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Answer: Louis de Broglie
Louis de Broglie proposed that light behaves as both a wave and a particle, contributing to quantum theory.
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