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 invented the aero plane?

  1. Wright brothers

  2. Mac Milan

  3. Rudolf diesel

  4. W.H Carrier

  5. none
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The Wright brothers, Orville and Wilbur, are credited with inventing, building, and flying the world's first successful motor-operated airplane.

Multiple choice

Who was the first scientist of the world to clone an animal?

  1. Enrico Sertoli

  2. Karl Ernst von Baer

  3. Ulisse Aldrovandi

  4. Ian Wilmut
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Ian Wilmut led the team at the Roslin Institute that successfully cloned Dolly the sheep in 1996. This was the first mammal cloned from an adult somatic cell.

Multiple choice

Who discovered Aspirin?

  1. Alexander Fleming

  2. Felix Hoffmann

  3. Robert Koch

  4. Joseph Lister
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Felix Hoffmann, a chemist at Bayer, synthesized a stable form of acetylsalicylic acid, which became known as Aspirin, in 1897.

Multiple choice

Scientists at Brookhaven National Laboratory invented the forerunner of the PET, which was subsequently found to be well- suited for wide use in institutions around the world for which of the following:

  1. deep space studies

  2. nuclear spallation

  3. deep sea drilling

  4. metabolic studies and clinical tests
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

PET stands for Positron Emission Tomography. It is a functional imaging technique used primarily in clinical medicine for metabolic studies and cancer detection.

Multiple choice

The term 'biological diversity' was coined by

  1. Walter G. Rosen

  2. Carolus Linnaeous

  3. Both 1 and 2

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

The term biological diversity was coined by Walter G. Rosen in 1985 during the National Forum on BioDiversity.

Multiple choice

______ invented calculus.

  1. Leonard Euler

  2. G.W. Leibniz

  3. Piet Hein

  4. L. Torresy Quevedo
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

G.W. Leibniz invented the calculus.

Multiple choice

Which of the following is NOT correctly matched?

  1. Karl Ereky – coined the term biotechnology

  2. Haberlandt – father of plant tissue culture

  3. G. W. Carver – father of agricultural biotechnology

  4. Wilhelm Johannsen – coined the term gene

  5. G. J. Mendel – father of human genetics
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

G. J. Mendel – father of genetics, Archibald Garrod – father of human genetics

Multiple choice

The term 'gene' was coined by

  1. T.H.Morgan

  2. W.L.Johanssen

  3. G.Mendel

  4. De Vries
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The term 'gene' was coined by the Danish botanist Wilhelm Johannsen in 1909 to describe the fundamental physical and functional unit of heredity.

Multiple choice

Who proposed the theory of Light?

  1. CV Raman

  2. Nuton

  3. Hygen

  4. Yong
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Isaac Newton (misspelled as 'Nuton') is famous for his work on the corpuscular theory of light. While other scientists contributed, he is the primary historical figure associated with early light theory.

Multiple choice

The father of genetic engineering is

  1. Cohen and Boyer (1973)

  2. Arber, Nathan and Smith(1970)

  3. Paul Berg (1972)

  4. Boliver and Rodriguez
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

He is father of genetic engineering.