GK Questions & Answers on General Science (Set 4)

Questions and Answers on General Science (Set 4) consists of 10 MCQ of  discoveries and inventions with the concept and its theories which are important for various competitive examinations like IAS, PSC, SSC, Railway etc.

1. Which of the following pairs is incorrect?

A. Roentgen: X-Ray

B. Newton: Law of Gravitation

C. Faraday: Diffusion of gases

D. Pasteur: Bacteriology

Ans. C

2. Name the scientist who had discovered that earth revolves round the sun?

A. Copernicus

B. James Arkwright

C. Marconi

D. J. Kepler

Ans. A

3. Artificial ‘gene’ was created by:

A. Meghnad Saha

B. D. Rutherford

C. Hargobind Khorana

D. Oparin

Ans. C

4. Small Pox vaccine was invented by:

A. A. Fleming

B. Ronald Ross

C. James Chadwick

D. Louis Pasteur

Ans. D

5. The Chemical evolution of life was proposed by:

A. Newland

B. Darwin

C. Oparin

D. William Caxton

Ans. C

6. Who had given the phenomena of Blood Circulation?

A. William Harvey

B. Louis Braille

C. Elmer A. Sperry

D. Joseph Lister

Ans. A

7. Which of the following pairs is incorrect?

A. Microwave Oven : Charles Wheatstone

B. LCD : Hoffmann-La Roche

C. Positron : Carl D. Anderson

D. Pressure Cooker: Alexander Twining

Ans. D

8. Who had given the concept of Photovoltaic effect?

A. Alfred Wegner

B. Edmund Becquerel

C. Leucippus

D. Thomas Kibble

Ans. B

9. Who had given the theory of Plate tectonics?

A. Ernest Rutherford

B. John Bardeen

C. Max Planck

D. Alfred Wegener

Ans. D

10. Who introduced metric system?

A. France Government

B. Indian Government

C. European Government

D. None of the above

Ans. A

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