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.

Famous inventionsNobel Prize winnersScientific conceptsKey inventors

Inventors and Scientific Discoveries Questions

Multiple choice general knowledge
  1. Microsoft

  2. Netscape

  3. Sun Micro Systems

  4. None of the above

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

JavaScript was created by Brendan Eich at Netscape Communications in 1995. It was developed in just 10 days and was originally intended to be a scripting language for the Netscape browser. Sun Microsystems (now Oracle) owns the trademark, but Netscape created the language.

Multiple choice general knowledge science & technology
  1. Albert Einstein

  2. Isaac Newton

  3. Benjamin Franklin

  4. Michael Faraday

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

The correct answer is D (Michael Faraday). In 1824, Faraday invented the first rubber balloon during his experiments with gases at the Royal Institution in London. He used hydrogen to inflate it. Neither Einstein, Newton, nor Franklin invented the rubber balloon.

Multiple choice general knowledge
  1. jj berzelies

  2. adam

  3. a.v . robert

  4. w.h carothers

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

Wallace H. Carothers, working at DuPont, invented nylon in the 1935 and led its commercial development. Nylon was the first completely synthetic fiber and revolutionized the textile industry. J.J. Berzelius was a chemist who discovered silicon, and Adam is not associated with nylon invention.

Multiple choice general knowledge math & puzzles
  1. Buckminster Fuller

  2. Sir William Grove

  3. Sylvester Graham

  4. Joyce Hall

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

Sir William Grove invented the first fuel cell in 1839, demonstrating the principle of combining hydrogen and oxygen to produce electricity with water as the only byproduct. Grove's invention was called a 'gas voltaic battery' and laid the foundation for modern fuel cell technology used in space vehicles and clean energy applications.

Multiple choice general knowledge math & puzzles
  1. Charles Goodyear

  2. Leo Hendrik Baekeland

  3. Roy Plunkett

  4. Henry Ford

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

Leo Hendrik Baekeland, a Belgian-American chemist, invented Bakelite in 1907. It was the first plastic made from synthetic components, marking the beginning of the modern plastics industry. Goodyear is known for vulcanized rubber, and Ford for the assembly line.

Multiple choice general knowledge math & puzzles
  1. Leisure suit

  2. Lava lamp

  3. Eight-track tape deck

  4. Hot comb

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

Edward Craven Walker, an Englishman, invented the lava lamp in 1963. The lamp was originally called the 'Astro Lamp' and became an iconic symbol of 1960s psychedelic culture. It works by heating a colored wax mixture in a liquid, creating the distinctive flowing lava-like motion as it rises and falls.

Multiple choice general knowledge math & puzzles
  1. Sir Alexander Graham Bell

  2. Michael Faraday

  3. Alfred B. Nobel

  4. Thomas Alva Edison

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

Michael Faraday discovered electromagnetic induction in 1831 and built the Faraday disk, the first electromagnetic generator. Alexander Graham Bell invented the telephone, Alfred Nobel invented dynamite, and Thomas Edison improved the light bulb and phonograph.

Multiple choice general knowledge math & puzzles
  1. Thomas Edison

  2. John Kruesi

  3. Jules Levy

  4. Alexander Graham Bell

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

While Thomas Edison is credited with inventing the phonograph concept, it was actually built by his mechanic John Kruesi in 1877 based on Edison's sketches and instructions. Edison received the patent and is usually credited as the inventor, but Kruesi was the actual builder. Alexander Graham Bell improved on the design with the graphophone.

Multiple choice general knowledge math & puzzles
  1. Leo H Baekeland

  2. Karl Benz

  3. Evangelista Torricelli

  4. Kirkpatrick Macmillan

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

Karl Benz is credited with inventing the first modern automobile powered by an internal combustion engine (the Benz Patent-Motorwagen) in 1885. Torricelli invented the barometer, Macmillan the bicycle, and Baekeland the first synthetic plastic, Bakelite.

Multiple choice general knowledge math & puzzles
  1. Dr. Alan M. Turing

  2. Roger Bacon

  3. G. Ferdinand Von Zeppelin

  4. Otto

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

Count Ferdinand von Zeppelin was the pioneer of rigid airships, characterized by an internal metal frame. His first successful flight occurred in 1900. Turing, Bacon, and Otto are famous for contributions to logic, science/philosophy, and engines, not aeronautics.