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.

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Inventors and Scientific Discoveries Questions

Multiple choice

Protein kinases were discovered by

  1. Fisher and Krebs

  2. Roberts and Sharp

  3. Agre and MacKirron

  4. Marshall and Warren

  5. Fire and Mello
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Edmond H. Fisher and Edwin G. Krebs discovered protein kinases, enzymes that regulate cell growth.

Multiple choice

Oncogenes were discovered by

  1. Joseph E. Murray and E. Donnall Thomas

  2. Peter C. Doherty and Rolf M. Zinkernagel

  3. Peter Agre and Roderick MacKirron

  4. J. Michael Bishop and Harold E. Varmus

  5. Frank Macfarlane Burnet and Peter Brian Medawar
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Bishop and Varmus discovered cancer-causing genes called oncogenes and awarded Nobel Prize in 1989 for this work.

Multiple choice

Technique for producing monoclonal antibodies was developed first by

  1. Ciechanover, Hershko, and Rose

  2. Ramakrishnan, Steitz, and Yonath

  3. Lederberg, Beadle, and Tatum

  4. Milstein, Kِhler, and Jerne
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

César Milstein (Argentina), Georges J. F. Köhler (Germany), and Niels Kai Jerne (Denmark) shared 1984 Nobel Prize for developing a technique for producing monoclonal antibodies (single pure antibodies).

Multiple choice

Match the people in column I to their contribution toward the advancement of microbiology, in column II. Column I Column II P. Hooke 1. First vaccine Q. van Leeuwenhoek 2. First observation of cells R. Jenner 3. First observation of live microorganisms

  1. P-1; Q-2; R-3

  2. P-1; Q-3; R-3

  3. P-2; Q-1; R-3

  4. P-2; Q-3; R-1

  5. P-3; Q-2; R-1
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The cell was first discovered by Robert Hooke in 1665. Anton van Leeuwenhoek was the first person to observe and describe live microorganisms. Edward Jenner was an English physician and scientist who was the pioneer of smallpox vaccine, the world's first vaccine.

Multiple choice

Which of the following is the mismatched pair?

  1. Father of Genetic Engineering – T.H. Morgan

  2. Father of Microbiology – Louis Pasteur

  3. Father of Cytology – Robert Hooke

  4. Father of Biochemistry – Liebig

  5. Father of Bacteriology – Robert Koch
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Paul Berg is known as father of Genetic Engineering. T.H. Morgan is known as father of Experimental Genetics.

Multiple choice

Identify the mismatched pair.

  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

Who developed pBR322?

  1. Boliver and Rodriguez

  2. Hamilton O. Smith and Thomas Kelly

  3. Werner Arber and Matthew Meselson

  4. Daniel Nathans and Kathleen Danna

  5. Baltimore and Temin
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The name pBR322 denotes the following; p denotes plasmid, B is from Boliver and R from Rodriguez.

Multiple choice

Medical facility generally use streptomycin as an effective antibiotic. Who among the following discovered it?

  1. Sir Selman Waksman

  2. Sir Alexander Fleming

  3. Sir George Hannabel

  4. Sir Charles Richet
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Selman Abraham Waksman (July 22, 1888 – August 16, 1973) was a Russian-born, Jewish-American inventor, biochemist and microbiologist whose research into organic substances—largely into organisms that live in soil—and their decomposition promoted the discovery of Streptomycin, and several other antibiotics.

Multiple choice

Random Movement of particles was discovered by

  1. Robert Brown

  2. E. Goldstein

  3. James Chadwick

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

The random movement of particles was discovered by Robert Brown. This movement was also termed as Brownian movement.