General Awareness ยท 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. First legal death by lethal Injection

  2. He became the first Nobel Prize awardee

  3. He was born

  4. None of the Above

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

Charles Brooks was the first person executed by lethal injection in the United States in 1982 in Texas. This marked a significant shift in execution methods as states sought more 'humane' alternatives to the electric chair and gas chamber. The event was widely covered as a milestone in capital punishment history. He was not a Nobel laureate nor was this related to birth.

Multiple choice general knowledge
  1. Otto Hahn

  2. Charles Babbage

  3. Karl Marx

  4. Robert Owen

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

Charles Babbage is the father of the modern computer for designing the first mechanical computers in the 1800s. His Difference Engine and Analytical Engine introduced concepts like programmability, storage, and conditional branching that presaged modern computing.

Multiple choice general knowledge science & technology
  1. thomas edison

  2. grahambell

  3. benjamin franklin

  4. samuel morse

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

Thomas Edison invented the phonograph in 1877, which was the first device capable of recording and reproducing sound. Alexander Graham Bell is associated with the telephone, Benjamin Franklin with electricity experiments, and Samuel Morse with the telegraph.

Multiple choice general knowledge
  1. Painter

  2. Creator of Silly Putty

  3. Inventor of the steam locomotive

  4. Astronomer

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

Edwin Hubble was an American astronomer who played a crucial role in establishing the field of extragalactic astronomy. He is famous for Hubble's Law and the Hubble Space Telescope was named after him. He was not a painter, the creator of Silly Putty, or the inventor of the steam locomotive. The correct answer identifies him as an astronomer.

Multiple choice general knowledge
  1. Entrepreneur

  2. Author; wrote "I, Robot"

  3. Nazi Commander

  4. Original creator of the Koosh Ball

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

Erwin Rommel was a German field marshal during World War II, known as the 'Desert Fox' for his North Africa campaigns. While a highly skilled military commander, he served the Nazi regime, making 'Nazi Commander' the most accurate characterization among the options. The other options are unrelated to Rommel's historical role.

Multiple choice general knowledge science & technology
  1. Pencilin

  2. X-ray

  3. Streptomycin

  4. Telephone

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

Alexander Fleming discovered penicillin in 1928, which revolutionized medicine and led to the development of antibiotics. This discovery earned him the Nobel Prize and has saved countless lives worldwide.

Multiple choice general knowledge science & technology
  1. Oscar

  2. Wilson

  3. Waterman

  4. Lazlo Biro

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

Laszlo Biro, a Hungarian journalist, invented the modern ballpoint pen in the 1930s. His design used a tiny ball in the pen tip that rolled to distribute ink. The 'Biro' pen is named after him and became commercially successful in the 1940s. Lewis Waterman invented the fountain pen.

Multiple choice general knowledge
  1. Eric E Wieschaus

  2. Ian Wilmut

  3. James Watson

  4. Franscis Crick

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

Ian Wilmut and his team at the Roslin Institute in Scotland created Dolly in 1996, making her the first mammal cloned from an adult somatic cell using nuclear transfer technology.

Multiple choice general knowledge
  1. Astro Nicholas

  2. Guglielmo Marconi

  3. Radiogre Hams

  4. Steve Tuckle

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

Guglielmo Marconi is credited with inventing the radio and won the 1909 Nobel Prize in Physics for his work in wireless telegraphy. The other names listed are not associated with radio invention.

Multiple choice general knowledge
  1. Steve Jobs

  2. Sunil Mittal

  3. Dr. Martin Cooper

  4. Eric Schmidt

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

Dr. Martin Cooper invented the first handheld mobile phone while working at Motorola in 1973. He made the first public call on a prototype mobile device in New York City. Steve Jobs, Sunil Mittal, and Eric Schmidt are associated with mobile technology but did not invent the mobile phone.

Multiple choice general knowledge
  1. Bill Gates

  2. Konrad Zuse

  3. Grace Hopper

  4. Charles Babbage

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

Charles Babbage is credited with conceptualizing and designing the first automatic computing engine - the Analytical Engine in the 1830s. He is often called the 'father of the computer.' Konrad Zuse built the first programmable computer in 1941, but Babbage's earlier work laid the theoretical foundation.

Multiple choice general knowledge
  1. Vikram Sarabhai

  2. Heron

  3. Aryabhatta

  4. Alexander Graham Bell

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

Aryabhatta, the ancient Indian mathematician and astronomer (476-550 CE), is credited with the concept of zero as a number. Zero as a placeholder existed earlier in Babylonian mathematics, but Aryabhatta formalized it as a mathematical concept. Alexander Graham Bell invented the telephone, not zero.