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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: Louis Pasteur
Louis Pasteur demonstrated that bacteria could be killed by heating, a process now called pasteurization.
Answer: Samuel Morse
Samuel Morse invented the first successful telegraph and the Morse code for transmitting messages.
Answer: Christiaan Barnard
Christiaan Barnard performed the world?s first successful heart transplant in 1967.
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Answer: James Clerk Maxwell
James Clerk Maxwell developed the theory of electromagnetism, unifying electricity and magnetism.
Answer: Guglielmo Marconi
Guglielmo Marconi invented the first practical radio transmitter and receiver, enabling long-distance wireless communication.
Answer: Robert Koch
Robert Koch discovered the smallpox virus and later contributed to the development of the first vaccine.
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Answer: Jean-Baptiste Boussingault
Jean-Baptiste Boussingault is credited with the discovery of the nitrogen cycle and its role in agriculture.
Answer: Michael Faraday
Michael Faraday formulated the laws of electrolysis, which explain the relationship between electric current and chemical reactions.
Answer: Niels Bohr
Niels Bohr is credited with developing the Bohr model of the hydrogen atom, which helped to explain atomic structure.
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Answer: Thomas Edison
Thomas Edison invented the phonograph in 1877, the first device that could both record and reproduce sound.
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