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Hostrivia › Quickfire Master Pack › Inventions & Discoveries

Inventions & Discoveries trivia questions and answers

The Quickfire pack has 50 Inventions & Discoveries questions, all written in English and Spanish. Here are 15 of them. Hosts get the full set, ready to put on a TV with players answering on their phones.

Tap a question to reveal the answer. The sample runs from very easy to very hard, like the pack itself. Showing 15 of 50 questions.

  1. Which molecule's double-helix structure was described by James Watson and Francis Crick in 1953?Very easy

    Answer: DNA (deoxyribonucleic acid)

  2. Which Scottish bacteriologist discovered penicillin in 1928?Very easy

    Answer: Alexander Fleming (Fleming)

  3. What form of radiation, now used in medical imaging, did Wilhelm Röntgen discover in 1895?Very easy

    Answer: X-rays

  4. Which British computer scientist invented the World Wide Web while working at CERN in 1989?Easy

    Answer: Tim Berners-Lee (Berners-Lee)

  5. Which English doctor pioneered vaccination against smallpox in 1796, using material from cowpox sores?Easy

    Answer: Edward Jenner (Jenner)

  6. Which Frenchman, blind from childhood, invented a reading and writing system of raised dots in the 1820s?Easy

    Answer: Louis Braille (Braille)

  7. Which American virologist developed the first effective polio vaccine, declared safe and effective in 1955?Intermediate

    Answer: Jonas Salk (Salk)

  8. Which Italian physicist invented the first electric battery in 1800 and gives his name to the unit of electric potential?Intermediate

    Answer: Alessandro Volta (Volta)

  9. Which American company launched Post-it notes in 1980?Intermediate

    Answer: 3M

  10. Which Spanish naval officer launched an electrically powered submarine, armed with a torpedo tube, in 1888?Hard

    Answer: Isaac Peral (Peral)

  11. Which Danish physicist proposed, in 1913, the model of the atom in which electrons occupy fixed orbits around the nucleus?Hard

    Answer: Niels Bohr (Bohr)

  12. Which 1687 work by Isaac Newton set out his three laws of motion and the law of universal gravitation?Hard

    Answer: Principia (Philosophiae Naturalis Principia Mathematica)

  13. At which American research laboratory was the transistor invented in 1947?Very hard

    Answer: Bell Labs (Bell Telephone Laboratories)

  14. Which Dutch draper and amateur scientist was the first to observe bacteria, using his own handmade microscopes in the 1670s?Very hard

    Answer: Antonie van Leeuwenhoek (Leeuwenhoek)

  15. Which French physician invented the stethoscope in 1816?Very hard

    Answer: René Laennec (Laennec)

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