Practice mode / Inventions What “Enrico Fermi” invented? A Option A: X ray machine B Option B: Betatron C Option C: Cyclotron D Option D: Nuclear reactor Correct answer D. Nuclear reactor Show answer Report a problem How we write and check questions
Question 01 / Inventions Which French scientist developed the heat treatment of milk and wine now called pasteurisation? A Option A: Claude Bernard B Option B: Marie Curie C Option C: Antoine Lavoisier D Option D: Louis Pasteur Correct answer D. Louis Pasteur Show answer Open question
Question 02 / Inventions Who developed the European printing press using movable metal type around 1440? A Option A: Johannes Gutenberg B Option B: Laurens Coster C Option C: Aldus Manutius D Option D: William Caxton Correct answer A. Johannes Gutenberg Show answer Open question
Question 03 / Inventions Penicillin, the first widely used antibiotic, was discovered by which scientist in 1928? A Option A: Louis Pasteur B Option B: Robert Koch C Option C: Joseph Lister D Option D: Alexander Fleming Correct answer D. Alexander Fleming Show answer Open question
Question 04 / Inventions Who is credited with improving the steam engine by adding a separate condenser? A Option A: Richard Trevithick B Option B: George Stephenson C Option C: James Watt D Option D: Thomas Newcomen Correct answer C. James Watt Show answer Open question
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