General Awareness · Science General

Inventors and Scientific Discoveries

4,616 Questions

This hub provides questions related to great inventors and their scientific discoveries. It covers the inventors of the telephone, radio, and microchips, alongside Nobel Prize winners. These facts are crucial for the general awareness section of major competitive exams.

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Inventors and Scientific Discoveries Questions

Multiple choice general knowledge science & technology
  1. James Watt: Steam Engine

  2. A.G. Bell: Telephone

  3. J. L. Baird: Television

  4. J. Perkins: Penicillin

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

This question asks for the WRONG combination. James Watt did invent the steam engine, Bell did invent the telephone, and Baird did invent the television. However, J. Perkins did NOT discover penicillin - Alexander Fleming did in 1928. The Perkins combination is false.

Multiple choice general knowledge
  1. Joseph Cyril Bamford

  2. John Joseph

  3. Alexander

  4. Newton

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

J.C. Bamford Excavators Limited was founded by Joseph Cyril Bamford in 1945. The company name JCB comes directly from his initials. This British multinational corporation manufactures construction equipment and is known worldwide for its yellow diggers.

Multiple choice general knowledge
  1. Biro Brothers

  2. Waterman Brothers

  3. Bicc Brothers

  4. Write Brothers

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Laszlo Biro and his brother Gyorgy Biro invented the modern ballpoint pen in the 1930s, patenting it in 1938. The term 'biro' is still used as a generic trademark for ballpoint pens in many Commonwealth countries like the UK and Australia.

Multiple choice general knowledge
  1. Pneumatic rubber tire

  2. Automobile wheel rim

  3. Rubber boot

  4. Model airplanes

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

John Boyd Dunlop, a Scottish veterinarian, invented the pneumatic (air-filled) rubber tire in 1887. He initially developed it for his son's tricycle to make the ride more comfortable. This invention revolutionized bicycle technology and later became essential for automobiles.

Multiple choice general knowledge
  1. Isaac Newton

  2. Albert Einstein

  3. Benjamin Franklin

  4. Marie Curie

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Marie Curie, along with her husband Pierre Curie, discovered radium in 1898. She was a pioneer in the study of radioactivity and remains the only person to win Nobel Prizes in two different scientific fields - Physics in 1903 and Chemistry in 1911.

Multiple choice general knowledge
  1. Thermometer

  2. Microscope

  3. Barometer

  4. Pendulum Clock

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Galileo Galilei invented the thermoscope, an early thermometer, in 1593. It was the first instrument capable of detecting temperature changes and was a precursor to the modern mercury thermometer. The question has minor grammar issues but option A is correct.

Multiple choice general knowledge
  1. George Washington

  2. Alexander Hamilton

  3. john Adams

  4. Thomas Jefferson

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Thomas Jefferson, the third U.S. President, was a prolific inventor and scholar who created the swivel chair, spherical sundial, improved moldboard plow, and cipher wheel. His wide-ranging intellectual interests extended beyond politics to architecture, science, and innovation.

Multiple choice general knowledge
  1. Diving bell

  2. Steam boat

  3. Hot air balloon

  4. Rotary steam engine

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

James Watt developed significant improvements to the steam engine, including the separate condenser that greatly increased efficiency, and worked on mechanisms to convert reciprocating motion to rotary motion for industrial applications. The diving bell was invented much earlier, steam boats were developed by Robert Fulton, and hot air balloons by the Montgolfier brothers.

Multiple choice general knowledge
  1. Carbon telephone transmitters

  2. Barometer

  3. Telescope

  4. none

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Edison invented the carbon telephone transmitter in 1877, which significantly improved voice transmission clarity in early telephones. The barometer was invented by Evangelista Torricelli in the 17th century, and the telescope was developed by Hans Lippershey.

Multiple choice general knowledge sports
  1. Rutherford

  2. Henry

  3. Ampere

  4. Pascal

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

This is a science joke playing on units of measurement. Newton standing in a 1m square means he is now 'Pascal per square meter' (Pa/m²) or simply 'Pascal,' since Pressure = Force/Area. The other names (Rutherford, Henry, Ampere) are also units but don't fit this wordplay.

Multiple choice general knowledge
  1. Henry Ford

  2. Andrew Carnegie

  3. John D. Rockefeller

  4. Thomas Elva Edison

  5. George Eastman

Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

Ralf Georg Reuth's book examines the origins of Hitler's antisemitism, suggesting various influences including industrialists and political figures. George Eastman (Kodak founder) is identified as having some connection or influence, though this claim requires verification from the original historical research. This question tests very specific historical knowledge from a particular scholarly work.

Multiple choice general knowledge
  1. GE

  2. ISRO

  3. NAZA

  4. Dupoint

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

DuPont's tagline is 'The Miracles of Science', highlighting their scientific innovations. GE and ISRO are science/technology organizations but use different slogans. 'NAZA' appears to be a typo for NASA.