Scientific Discoveries & Breakthroughs Quiz
Scientific Discoveries & Breakthroughs · Medium
20 questions · Unlimited attempts · Free online practice
Science advances through curiosity, observation, and experimentation. Every major invention and discovery, from electricity and vaccines to space telescopes and DNA—has expanded ou...
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All 20 questions in this Scientific Discoveries & Breakthroughs quiz
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In 1846, William T.G. Morton performed the first successful public demonstration of what substance as a surgical anesthetic?
- A. Nitrous Oxide
- B. Chloroform
- C. Sulfuric Ether
- D. Cocaine
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Who invented telephone?
- A. Bell
- B. Edison
- C. Newton
- D. Tesla
-
Who proposed the theory of continental drift in 1912, which eventually evolved into the modern theory of plate tectonics?
- A. Charles Lyell
- B. Alfred Wegener
- C. Harry Hess
- D. James Hutton
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Karl Landsteiner won the 1930 Nobel Prize for his 1901 discovery of what fundamental biological classification?
- A. The four nitrogenous bases in DNA
- B. Human blood groups (ABO)
- C. The structure of the cell membrane
- D. The Rh factor
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Ernst Ruska won the Nobel Prize for inventing which instrument in 1931, which uses beams of electrons to see objects much smaller than the wavelength of light?
- A. The Optical Microscope
- B. The Electron Microscope
- C. The Telescope
- D. The Particle Accelerator
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In 1901, which Italian inventor succeeded in sending the first transatlantic radio signal from Cornwall, England, to Newfoundland?
- A. Heinrich Hertz
- B. Guglielmo Marconi
- C. Nikola Tesla
- D. Samuel Morse
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Which scientist is credited with the 1897 discovery of the electron, the first subatomic particle ever identified?
- A. Ernest Rutherford
- B. J.J. Thomson
- C. James Chadwick
- D. Niels Bohr
-
Who developed the first commercially successful sewing machine in the 1840s, featuring a lockstitch design and a pointed needle?
- A. Eli Whitney
- B. Elias Howe
- C. Isaac Singer
- D. James Watt
-
Who developed the first mercury thermometer and the first standardized temperature scale in the early 18th century?
- A. Anders Celsius
- B. Daniel Gabriel Fahrenheit
- C. Lord Kelvin
- D. Galileo Galilei
-
In 1945, which scientist led the team that built the first general-purpose electronic computer, known as ENIAC?
- A. Alan Turing
- B. John Mauchly and J. Presper Eckert
- C. John von Neumann
- D. Charles Babbage
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Which chemist developed 'Bakelite,' the first fully synthetic plastic, in 1907, marking the beginning of the 'Age of Plastics'?
- A. Leo Baekeland
- B. Wallace Carothers
- C. Stephanie Kwolek
- D. Charles Goodyear
-
Which German physicist is considered the father of Quantum Theory after discovering that energy is emitted in discrete units called 'quanta' in 1900?
- A. Albert Einstein
- B. Max Planck
- C. Werner Heisenberg
- D. Niels Bohr
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Which French physician invented the stethoscope in 1816, originally using a rolled-up cylinder of paper to listen to a patient's heart?
- A. Ren Laennec
- B. Louis Pasteur
- C. Joseph Lister
- D. Marie Curie
-
Which American chemist discovered 'Teflon' (PTFE) by accident in 1938 while trying to develop a new refrigerant?
- A. Felix Hoffmann
- B. Roy Plunkett
- C. Wallace Carothers
- D. Leo Baekeland
-
Which astrophysicist discovered Pulsars in 1967 as a graduate student, though the Nobel Prize for the discovery was awarded to her supervisor?
- A. Vera Rubin
- B. Jocelyn Bell Burnell
- C. Sally Ride
- D. Annie Jump Cannon
-
Which revolutionary gene-editing technology, whose pioneers won the Nobel Prize in Chemistry in 2020, allows scientists to precisely alter DNA sequences?
- A. PCR
- B. CRISPR-Cas9
- C. DNA Sequencing
- D. RNA Interference
-
Theodore Maiman successfully operated the first working version of which device in 1960 at Hughes Research Laboratories?
- A. The Transistor
- B. The Laser
- C. The LED
- D. The Solar Cell
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Which British engineer independently invented the turbojet engine in the 1930s, alongside Hans von Ohain in Germany?
- A. James Watt
- B. Frank Whittle
- C. George Stephenson
- D. Isambard Kingdom Brunel
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Which American chemist won the Nobel Prize in 1960 for developing radiocarbon dating, a method to determine the age of organic materials?
- A. Linus Pauling
- B. Willard Libby
- C. Glenn Seaborg
- D. Harold Urey
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Which American engineer and physicist invented the first functional 'Laser' (Light Amplification by Stimulated Emission of Radiation) in 1960?
- A. Charles Townes
- B. Theodore Maiman
- C. Arthur Schawlow
- D. Gordon Gould