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

Who produced the first portable computer?

  1. Charles Babbage

  2. Bill gates

  3. Adam Osborne

  4. C.S.Stephenson
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Adam Osborne is credited with creating the Osborne 1, which is widely considered the first commercially successful portable computer.

Multiple choice

Who created the first cloned sheep?

  1. Ian Wilmut

  2. Francis crick

  3. Denis Pepin

  4. William Martin

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

Ian Wilmut was the lead scientist of the team at the Roslin Institute that successfully cloned Dolly the sheep in 1996.

Multiple choice

The research work of Paul Lauterbur&Peter Mansfield,the Nobel Prize winner for medicine in 2003 relates to-

  1. Genetic Engineering

  2. The Control of AIDS

  3. Magnetic Resonance imaging

  4. Respiratory disease
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Paul Lauterbur and Peter Mansfield were awarded the 2003 Nobel Prize in Physiology or Medicine for their discoveries concerning magnetic resonance imaging (MRI). Their work revolutionized medical diagnostics by enabling non-invasive imaging of internal body structures.

Multiple choice

Who discovered the principle of linkage?

  1. Bateson and Punnet

  2. Watson and Crick

  3. Carl Linnaeus

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

The principle of linkage was discovered by Bateson and Punnet in 1906 in the sweat pea, plant, Lathyrus odoratus. However, linkage, as a concept was put forth by Thomas Hunt Morgan in 1910, based on his experiment on Drosophila melanogaster.

Multiple choice

The double helix model of DNA was given by

  1. Linus Pauling

  2. Rosalind Franklin

  3. D. Watson and Francis Crick

  4. Gregor Mendel

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

The double helix in DNA consists of two right-handed polynucleotide chains that are coiled about the same axis. The heterocyclic amine bases project inward toward the center so that the base of one strand interacts or pairs with a base of the other strand. It was given by D. Watson and Francis Crick .

Multiple choice

Who coined the term Genetics?

  1. W. Bateson

  2. Darwin

  3. Robert Brown

  4. Leeuwenhoek

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

The term 'genetics' was used for the first time by W. Bateson in 1905. Genetics is often described as a science which deals with the mechanism of heredity and variations.

Multiple choice

Scientific Management Theory was given by ___

  1. F.W. Taylor

  2. Franklin Gilbreth

  3. Lillian Gilbreth

  4. Henry Fayol
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Scientific Management Theory, which focuses on improving economic efficiency and labor productivity, was pioneered by Frederick Winslow Taylor in the early 20th century.

Multiple choice

Who discovered episome?

  1. Hays and Lederberg

  2. Hays and Wollmann

  3. Jacob and Lederberg

  4. Jacob and Wollmann

  5. None of these
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Jacob and Wollmann discovered episome.