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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: Max Planck
Max Planck developed the quantum theory, explaining energy as discrete packets called quanta.
Answer: Thomas Edison
Thomas Edison invented the first practical electric light bulb in 1879, revolutionizing lighting.
Answer: Isaac Newton
Isaac Newton is credited with discovering the law of universal gravitation, which states that every mass attracts every other mass.
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Answer: Edward Jenner
Edward Jenner developed the first smallpox vaccine in 1796, which led to the eventual eradication of the disease.
Answer: Christiaan Barnard
Christiaan Barnard performed the first successful heart transplant in 1967, revolutionizing organ transplant surgery.
Answer: Johann Gottfried Galle
Johann Galle, along with John Couch Adams, discovered the planet Neptune in 1846 based on mathematical predictions.
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Answer: Michael Faraday
Michael Faraday formulated the laws of electrolysis, which relate electric current to chemical changes.
Answer: Ivan Pavlov
Ivan Pavlov is famous for developing the theory of conditioned reflexes, leading to the study of classical conditioning.
Answer: Niels Bohr
Niels Bohr developed the Bohr model, where electrons are arranged in distinct energy levels or shells around the nucleus.
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Answer: Fritz Haber
Fritz Haber discovered nitrogen fixation, which enabled the synthesis of ammonia for fertilizers.
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