Who developed the European printing press using movable metal type around 1440?
Correct answer A. Johannes Gutenberg
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General Knowledge MCQs
Page 5 of General Knowledge multiple-choice questions with answers. Tap an option to check yourself.
Page 5 of 35
Penicillin, the first widely used antibiotic, was discovered by which scientist in 1928?
Correct answer D. Alexander Fleming
Who is credited with improving the steam engine by adding a separate condenser?
Correct answer C. James Watt
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Which pair made the first controlled, sustained powered aeroplane flight in 1903?
Correct answer B. The Wright brothers
Who developed the first vaccine, against smallpox, in 1796?
Correct answer B. Edward Jenner
Which American scientist developed the first successful injectable polio vaccine, announced in 1955?
Correct answer C. Jonas Salk
X-rays were discovered in 1895 by which German physicist?
Correct answer D. Wilhelm Conrad Rontgen
Natural radioactivity was discovered in 1896 by which French physicist?
Correct answer A. Henri Becquerel
Who discovered the electron in 1897?
Correct answer C. J. J. Thomson
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The neutron was discovered in 1932 by which British physicist?
Correct answer C. James Chadwick
Whose gold foil experiment led to the discovery of the atomic nucleus in 1911?
Correct answer D. Ernest Rutherford
Insulin was first isolated for treating diabetes in 1921 by Frederick Banting and ____.
Correct answer D. Charles Best
Which two scientists proposed the double helix structure of DNA in 1953?
Correct answer A. James Watson and Francis Crick
Who gave the first public demonstration of a working television system in London in 1926?
Correct answer B. John Logie Baird
The compression-ignition engine that runs without a spark plug was invented by whom?
Correct answer C. Rudolf Diesel
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Which scientist invented the safety lamp for coal miners in 1815?
Correct answer D. Humphry Davy
Who invented the mercury-in-glass thermometer in 1714?
Correct answer D. Daniel Gabriel Fahrenheit
Who discovered the four largest moons of Jupiter in 1610?
Correct answer A. Galileo Galilei
Electromagnetic induction, the principle behind the electric generator, was discovered in 1831 by whom?
Correct answer B. Michael Faraday
Who published the first widely recognised periodic table of the elements in 1869?
Correct answer C. Dmitri Mendeleev