General Knowledge MCQs (page 51 of 61)
Famous people, inventions, sports, world records, currencies and well-known facts about Pakistan and the world.
1,204 questions. Select an option to check your answer, or open "Show answer". Showing 1001–1020.
- 1001.
Who invented the stethoscope?
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Answer: A. René Laennec
René Laennec invented the stethoscope.
- 1002.
Who invented the electrocardiograph (ECG)?
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Answer: D. Willem Einthoven
Willem Einthoven invented the electrocardiograph (ECG).
- 1003.
Who invented the gramophone?
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Answer: B. Emile Berliner
Emile Berliner invented the gramophone.
- 1004.
Who invented the cinematograph?
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Answer: A. the Lumière brothers
the Lumière brothers invented the cinematograph.
- 1005.
Who invented the microwave oven?
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Answer: B. Percy Spencer
Percy Spencer invented the microwave oven.
- 1006.
Who invented Velcro?
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Answer: D. George de Mestral
George de Mestral invented Velcro.
- 1007.
Who invented logarithms?
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Answer: D. John Napier
John Napier invented logarithms.
- 1008.
Who discovered X-rays?
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Answer: A. Wilhelm Röntgen
Wilhelm Röntgen discovered X-rays.
- 1009.
Who discovered radioactivity?
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Answer: D. Henri Becquerel
Henri Becquerel discovered radioactivity.
- 1010.
Who discovered the electron?
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Answer: C. J. J. Thomson
J. J. Thomson discovered the electron.
- 1011.
Who discovered the neutron?
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Answer: A. James Chadwick
James Chadwick discovered the neutron.
- 1012.
Who discovered the atomic nucleus?
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Answer: D. Ernest Rutherford
Ernest Rutherford discovered the atomic nucleus.
- 1013.
Who discovered the circulation of blood?
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Answer: D. William Harvey
William Harvey discovered the circulation of blood.
- 1014.
Who discovered blood groups?
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Answer: D. Karl Landsteiner
Karl Landsteiner discovered blood groups.
- 1015.
Who discovered the double-helix structure of DNA?
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Answer: C. Watson and Crick
Watson and Crick discovered the double-helix structure of DNA.
- 1016.
Who discovered insulin?
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Answer: C. Frederick Banting and Charles Best
Frederick Banting and Charles Best discovered insulin.
- 1017.
Who discovered hydrogen?
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Answer: D. Henry Cavendish
Henry Cavendish discovered hydrogen.
- 1018.
Who discovered cells (in cork)?
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Answer: B. Robert Hooke
Robert Hooke discovered cells (in cork).
- 1019.
Who discovered the cell nucleus?
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Answer: B. Robert Brown
Robert Brown discovered the cell nucleus.
- 1020.
Who discovered bacteria (first observed)?
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Answer: A. Antonie van Leeuwenhoek
Antonie van Leeuwenhoek discovered bacteria (first observed).