General Awareness · Science General

Inventors and Scientific Discoveries

4,454 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. Bill Gates

  2. Douglas Englebart

  3. John Mauchly

  4. Robert Noyce

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

Douglas Engelbart invented the first computer mouse in 1964 at Stanford Research Institute. Bill Gates (A) co-founded Microsoft, John Mauchly (C) co-designed ENIAC, and Robert Noyce (D) co-founded Intel. The mouse was demonstrated publicly in 1968 at the 'Mother of All Demos'.

Multiple choice general knowledge
  1. Albert Einstein

  2. Benjamin Franklin

  3. Isaac Newton

  4. Thomas Alva Edison

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

This is Alexander Pope's poetic epitaph for Isaac Newton, celebrating Newton's illumination of natural laws through his work in physics and mathematics. The blank in the quote is 'Newton' - God said, 'Let Newton be!' and all was light, referring to how Newton's discoveries brought light to our understanding of nature.

Multiple choice general knowledge
  1. A musical instument

  2. General James W Bazooka

  3. An american slang for explosions

  4. A Camera that was famous for exploding

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

The bazooka weapon was named after a musical instrument called the "bazooka" - a crude horn instrument popularized by comedian Bob Burns. The weapon's tubular shape resembled this musical instrument, leading soldiers to nickname it "bazooka". There was no General James W Bazooka.

Multiple choice general knowledge science & technology
  1. Marconi

  2. Baird

  3. Thomas Alva Edison

  4. Benjamin Franklyn

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

Guglielmo Marconi is credited as the inventor of radio for his pioneering work in wireless telegraphy. He shared the 1909 Nobel Prize in Physics for his contributions to wireless communication. While other scientists like Tesla, Popov, and Bose contributed to radio technology, Marconi made the first successful long-distance transmissions.

Multiple choice general knowledge
  1. Frank wittle

  2. Christopher Hinton

  3. Robert Watson-Watt

  4. Lawrence Bragg

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

Robert Watson-Watt led the British radar development program in the 1930s, creating the Chain Home radar network that proved crucial in the Battle of Britain. The others made contributions to science/technology but not radar systems.

Multiple choice general knowledge
  1. Robert Watson-Watt

  2. Christopher Hinton

  3. Frank Whittle

  4. Lawrence Bragg

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

Frank Whittle, a British Royal Air Force engineer, invented the turbojet engine in the 1930s. His engine first flew in a Gloster E28/39 aircraft in 1941, pioneering the jet age that revolutionized aviation.

Multiple choice general knowledge history
  1. Jacobus H. van't Hoff

  2. Wilhelm C. R?ntgen

  3. Emil A. von Behring

  4. Jean H. Dunant and Fr?d?ric Passy

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

The first Nobel Peace Prize in 1901 was shared by Henry Dunant (founder of Red Cross) and Frédéric Passy (French pacifist). The other options won in Chemistry (van't Hoff), Physics (Röntgen), and Medicine (von Behring) that same year.

Multiple choice general knowledge science & technology
  1. Benjamin Franklin

  2. Heinrich Lenz

  3. Thomas Young

  4. Thomas Alva Edison

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

Benjamin Franklin invented bifocal lenses around 1784. He created them to avoid switching between two pairs of glasses - one for reading and one for distance vision. The design has two distinct optical powers in each lens.

Multiple choice general knowledge science & technology
  1. Thomas Alva Edison

  2. Denis Papin

  3. Linda Hawkins

  4. Percy Spencer

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

Denis Papin, a French physicist, invented the pressure cooker in 1679. He called it the 'steam digester' and used it to soften bones and extract nutrients. The high-pressure environment allowed water to boil at higher temperatures, cooking food faster.

Multiple choice general knowledge science & technology
  1. John Browning

  2. Richard Gatling

  3. Anton Kalashnikov

  4. Paul von Mauser

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

Paul Mauser (with his brother Wilhelm) developed the Mauser rifle, one of the most famous bolt-action rifle designs in history. The Mauser Model 98 and its variants were used by militaries worldwide and set the standard for bolt-action rifles. The muzzle-loading predecessors were developed much earlier by various gunsmiths.

Multiple choice general knowledge
  1. Thomas Edison

  2. Isaac Newton

  3. Leonardo da vinci

  4. Joseph Swan

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

Joseph Swan patented a working light bulb in 1878, before Edison's 1879 patent. Edison commercialized and improved it, but didn't invent the first one.

Multiple choice general knowledge sports
  1. Homo sapiens

  2. Macaca rhesus

  3. Periplaneta americana

  4. Panthera leo

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

The Rh (Rhesus) factor in blood was first identified in the Rhesus monkey, Macaca rhesus. The name 'Rh factor' directly comes from this species. Landsteiner and Wiener discovered this blood antigen in 1937 through experiments with Rhesus monkey blood, which is why it carries this name today. Homo sapiens refers to humans, where the factor is medically relevant, but not where it was first identified.

Multiple choice general knowledge
  1. Frank Miller

  2. Herge

  3. Hanna Barbara

  4. Walt Disney

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

The Adventures of Tintin was created by the Belgian cartoonist Hergé, whose real name was Georges Remi. The comic series first appeared in 1929 and became one of the most popular European comics of the 20th century, following the adventures of a young reporter and his dog Snowy.

Multiple choice general knowledge sports
  1. Thomas H. Smith

  2. Richard Lindon

  3. William Horman

  4. Richard Mulcaster

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

Richard Lindon is credited with inventing the first footballs with rubber inflatable bladders in the 1860s, working at Rugby School. He developed this design after the original pig's bladder balls proved unsatisfactory. The rubber bladder allowed for more consistent shape and bounce. Thomas H. Smith, William Horman, and Richard Mulcaster were earlier figures associated with football but did not invent the rubber bladder version.

Multiple choice general knowledge
  1. A Scientist

  2. A Dentist

  3. An Engineer

  4. None of the Above

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

The electric chair was invented by Alfred P. Southwick, a dentist from Buffalo, New York, in 1881. He developed it as a more humane method of execution after witnessing a tragic accidental death. Dentists at the time had experience with both electrical apparatus and pain management.