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.
Famous inventionsNobel Prize winnersScientific conceptsKey inventors
Inventors and Scientific Discoveries Questions
-
Charles Darwin
-
Lamarck
-
Rudolf Virchow
-
DeVries
B
Correct answer
Explanation
Jean-Baptiste Lamarck proposed the theory of inheritance of acquired characters, which suggests that organisms can pass on traits acquired during their lifetime to their offspring.
-
Lamarck
-
Mendel
-
Charles Darwin
-
Karl Land Steiner
C
Correct answer
Explanation
The phrase 'survival of the fittest' is most famously associated with Charles Darwin's theory of natural selection, although it was coined by Herbert Spencer.
-
Louis Pasteur
-
Robert Koch
-
Jonas Salk
-
Alexander Hemming
-
Thomas H. Huxley
-
Ernst Haeckel
-
Alfred Russel Wallace
-
August Weismann
C
Correct answer
Explanation
Alfred Russel Wallace independently conceived the theory of evolution through natural selection. He sent his findings to Charles Darwin, which prompted Darwin to finally publish his own work.
-
Maxwell
-
Newton
-
Huygens
-
Planek
C
Correct answer
Explanation
Christiaan Huygens proposed the wave theory of light in 1678. This contrasted with Newton's corpuscular theory of light.
-
deciphered the genes
-
discovered the structure of DNA
-
deciphered the genetic code
-
None of these
C
Correct answer
Explanation
Har Gobind Khorana shared the 1968 Nobel Prize in Physiology or Medicine for his work in deciphering the genetic code and demonstrating how the order of nucleotides in nucleic acids determines the order of amino acids in proteins.
-
R. Aravindhakakshan
-
S. Muthukoyya
-
R. Shivashankar
-
J. Roy
D
Correct answer
Explanation
Formic acid was first isolated in 1671 by the English naturalist John Ray, who distilled it from a large number of ants. The name comes from the Latin word for ant, formica.
-
Newgoman
-
Dr. Khorana
-
Heinrich Dreser
-
Joseph Henry
-
Selman Walksman
-
Louis Pasteur
-
Babes
-
Woodruff
A
Correct answer
Explanation
Selman Waksman coined the term 'antibiotic' in 1947 to describe substances produced by microorganisms that inhibit other microorganisms. Note: The name is misspelled as 'Walksman' in the option - it should be 'Waksman'. Louis Pasteur discovered germ theory, Babes worked on pathogens, and Woodruff discovered antimicrobials but didn't coin the term.
-
Daniel Defo
-
C. Young
-
Clyde Tombaugh
-
Robert Frost
C
Correct answer
Explanation
Pluto was discovered on February 18, 1930, by astronomer Clyde Tombaugh at the Lowell Observatory in Flagstaff, Arizona.
-
The British Museum Library
-
Indian Institute of Science
-
The science of Genetics
-
Nano Technology
C
Correct answer
Explanation
William Bateson was a British biologist who coined the term 'genetics' and was instrumental in promoting Mendel's laws of inheritance.
-
Samuel Morse
-
Antoine Lavoisier
-
Paulesco
-
Lord Kelvin
-
P.T. Farnsworth
-
Spangler
-
John Logie Baird
-
None of these
C
Correct answer
Explanation
John Logie Baird is widely credited with demonstrating the first working color television system in 1928.
-
Elisha Thomson
-
Thomson
-
Sony
-
None of these
A
Correct answer
Explanation
Elihu Thomson is credited with inventing the electric resistance welding process in 1877.
-
Bell Labs
-
Samuel F. B. Morse
-
Moog
-
Colt
B
Correct answer
Explanation
Samuel F. B. Morse, along with Alfred Vail, developed the Morse code for use with the electric telegraph.