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
-
Emil Adolf Von
-
John F. Enders
-
Edward Jenner
-
J. Niccolie
A
Correct answer
Explanation
Tetanus was discovered by Emil Adolf von Behring (also known as Emil von Behring), a German physiologist who received the Nobel Prize in 1901 for his work on serum therapy, including tetanus antitoxin.
-
Carbonated soda
-
Electricity in lightning
-
Bermuda Triangle
-
Existence of isotopes
D
Correct answer
Explanation
Frederick Soddy was a British radiochemist who, along with Ernest Rutherford, demonstrated that radioactive decay involves the transformation of one element into another. He coined the term 'isotope' and received the 1921 Nobel Prize in Chemistry for his work on isotopes.
-
Calculator
-
X-rays
-
Mobile phone
-
Laser
D
Correct answer
Explanation
Dr. Charles H. Townes was an American physicist who invented the maser (microwave amplification by stimulated emission of radiation) and later co-invented the laser with Arthur Schawlow. He received the 1964 Nobel Prize in Physics for this fundamental work in quantum electronics.
-
spindles
-
chrome plating
-
rayon
-
lactometer
C
Correct answer
Explanation
Sir Joseph Swan is credited with the invention of rayon, the first artificial fiber, in the late 19th century. He was a British physicist and chemist who worked on various inventions including early electric lighting. Chrome plating, lactometer, and spindles have different inventors and purposes.
-
Indians
-
Germans
-
Greeks
-
None of these
A
Correct answer
Explanation
'Zero' wss discovered by 'Indians'.
-
Stanley Prusiner
-
A. Kossel
-
Gertrude Elion
-
Norman Borlaug
-
James Black
D
Correct answer
Explanation
Norman Borlaug was famous for his contribution on development of high-yield disease-resistant dwarf wheat.
-
Frederick Sanger
-
Gertrude Belle Elion
-
Norman Borlaug
-
Stanley Prusiner
-
R. Wilstatter
C
Correct answer
Explanation
Norman Borlaug obtained the Nobel Prize as an architect of the Green Revolution.
-
Ernst Haeckel
-
Karl Wilhelm von Nägeli
-
Van Neil
-
Stephen Hales
B
Correct answer
Explanation
Karl Wilhelm von Nägeli first used the term meristem in 1858 in his book Beiträge zur Wissenschaftlichen Botanik.
-
Robert H. Daines
-
Theodor Otto Diener
-
David Gottlieb
-
Edwin Earle Honey
-
Gary A. Strobel
B
Correct answer
Explanation
Theodor Otto Diener is an American plant pathologist and was the first in the field to describe viroids.Viroids were discovered and named by Theodor Otto Diener, a plant pathologist at the Agricultural Research Service in Maryland, in 1971.
-
C.A.Cutter
-
Melvil Dewey
-
W.C.Berwick Sayers
-
E.C.Richardson
D
Correct answer
Explanation
E.C. Richardson defined notation as a shorthand sign in classification. This definition highlights notation's role as a concise symbol system for representing classification concepts.
-
Porter et al
-
Claude
-
Kolliker
-
Benda
-
Christian de Duve
A
Correct answer
Explanation
Endoplasmic reticulum was discovered by Porter et al using electron microscopy.
-
J. J. Thomson
-
Goldstein
-
William Crookes
-
Chadwick
B
Correct answer
Explanation
An anode ray (also positive ray or canal ray) is a beam of positive ions that is created by certain types of gas discharge tubes. They were first observed in Crookes tubes during experiments by the German scientist Eugen Goldstein, in 1886.
-
Richard Buckland
-
James Parkinson
-
Takeshi Watanade
-
Mother India
B
Correct answer
Explanation
James Parkinson, an English physician, first described the disease that now bears his name in 1817 in his work 'An Essay on the Shaking Palsy'. The condition causes tremors, rigidity, and bradykinesia.
-
Mother Teresa
-
Ralph Bunche
-
Robinderanath
-
Louis Brown
-
Barney Clark
-
Colin Powell
-
Emil Jannigs
-
Christian Barnard
A
Correct answer
Explanation
Barney Clark was the first recipient of a permanent artificial heart (the Jarvik-7) in 1982. He survived for 112 days with the device. This was a landmark in cardiac surgery and artificial organ technology.