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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 near eradication of polio worldwide.
Answer: Charles Darwin
Charles Darwin developed the theory of evolution by natural selection, explaining the diversity of life on Earth.
Answer: James Chadwick
James Chadwick discovered the neutron in 1932, contributing to the understanding of atomic structure.
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Answer: Thomas Edison
Thomas Edison invented the first practical and commercially successful electric light bulb, revolutionizing lighting technology.
Answer: Georges Lema?tre
Georges Lema?tre proposed the theory of the Big Bang, suggesting that the universe began as a single point and expanded.
Answer: Thomas Young
Thomas Young demonstrated that light travels in waves through his famous double-slit experiment.
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Answer: Michael Faraday
Michael Faraday developed the first modern electric motor, an essential breakthrough in electromagnetism.
Answer: Louis Pasteur
Louis Pasteur discovered pasteurization, a method of heat-treating liquids to kill harmful microbes.
Answer: Antonie van Leeuwenhoek
Antonie van Leeuwenhoek invented the first practical microscope, which helped in the discovery of microorganisms.
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Answer: John Dalton
John Dalton developed the first atomic theory, which stated that atoms are indivisible and combine in fixed ratios to form compounds.
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