General Awareness ยท 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

---------- was a Romanian physiologist and a professor of medicine, who is credited for the discovery of insulin.

  1. Nicolae Paulescu

  2. Percy Spencer

  3. Igor Sikorsky

  4. None
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Nicolae Paulescu was a Romanian physiologist and professor of medicine who discovered insulin in 1916, publishing his work in 1921. His research on pancreas extracts and their effect on blood sugar was foundational to the understanding and treatment of diabetes.

Multiple choice general knowledge

Known as the father of Microbiology, ------- is best known for his work on the improvement of the microscope. He also created over 400 different types of microscopes.

  1. None

  2. Michael Faraday

  3. Alexander Fleming

  4. Antonie van Leeuwenhoek
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Antonie van Leeuwenhoek is known as the father of Microbiology for his pioneering work with microscopes. He created over 400 different types of microscopes and was the first to observe and document bacteria, protozoa, and other microorganisms in detail.

Multiple choice general knowledge

--------- is known as a pioneer in the field of motion pictures and also known as the inventor of cinematography.

  1. Thomas Edison

  2. William Friese-Greene

  3. Jean Bernard Leon Foucault

  4. None
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

William Friese-Greene is indeed recognized as a pioneer in early motion pictures and cinematography. He worked on developing early movie cameras in the 1880s-1890s. Thomas Edison, while influential in film technology, is more associated with the Kinetograph and Kinetoscope, not cinematography's invention.

Multiple choice general knowledge

----------- was the German engine designer and automobile engineer who invented the gasoline-powered automobile.

  1. None

  2. Jean Bernard Leon Foucault

  3. Charles Babbage

  4. Karl Friedrich Benz
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Karl Friedrich Benz invented the first practical gasoline-powered automobile (the Benz Patent-Motorwagen) in 1885-1886. He was a German engine designer and automobile engineer. Charles Babbage was a computer pioneer, not an automobile engineer.

Multiple choice general knowledge

Identify the original name of Isaac Asimov

  1. Yechaak Durovich Ozimov

  2. Ischaak Yerovich Ozimov

  3. Isaak Yudovich Ozimov

  4. None of the above
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Isaac Asimov was born Isaak Yudovich Ozimov in Petrovichi, Russia. He emigrated to the United States with his family at a young age and became one of science fiction's most prolific and influential authors, creating the Foundation series and the Robot series.

Multiple choice general knowledge

Who invented the Cow pox vaccine ?

  1. Albert Einstein

  2. Satyendranath Bose

  3. Edward Jenner

  4. Issac Newton
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Edward Jenner developed the cowpox vaccine in 1796, which led to the smallpox vaccine. He discovered that milkmaids infected with cowpox were immune to smallpox. Einstein, Bose, and Newton were physicists, not medical pioneers.

Multiple choice general knowledge

who invent telephone

  1. graham bell

  2. nichol

  3. mehwish khan

  4. charles darwin
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Alexander Graham Bell is credited with inventing and patenting the first practical telephone in 1876. While there were other contributors like Antonio Meucci and Elisha Gray, Bell received the patent and is recognized as the primary inventor. The other options - Nichol, Mehwish Khan, and Charles Darwin - are not associated with telephone invention.

Multiple choice general knowledge

What happened to Charles Brooks in 1982 ?

  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 became the first person in the United States to be executed by lethal injection on December 7, 1982, in Texas, marking a historic shift in execution methods.

Multiple choice general knowledge

----------- is accredited for his invention of the English concertina, the stereoscope (which is a device for displaying three-dimensional images), and the Playfair cipher (which is an encryption technique).

  1. None

  2. Isaac Newton

  3. Charles Wheatstone

  4. Igor Sikorsky
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Charles Wheatstone is credited with inventing the English concertina in 1829, developing an early stereoscope for viewing 3D images, and creating the Playfair cipher with Lyon Playfair. Wheatstone was a prominent 19th-century English inventor and scientist who made significant contributions to telegraphy, acoustics, and optics.