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General Knowledge

DISCOVERIES AND INVENTIONS MCQs

Scientists, Inventions & Discoveries

Total Questions : 949 | Page 94 of 95 pages
Question 931. .  Who introduced the concept of "Stored Program" ?
  1.    John Von Neumann
  2.    Charles Babbage
  3.    Blaise Pascal
  4.    John Mauchly
 Discuss Question
Answer: Option A. -> John Von Neumann
Question 932. .  Radioactivity was discovered by
  1.    Rutherford
  2.    Henri Becquerel
  3.    Roentgen
  4.    Einstein
 Discuss Question
Answer: Option B. -> Henri Becquerel
Question 933. .  Meteorology is the science of:
  1.    Weather
  2.    Mateors
  3.    Metals
  4.    Earthquakes
 Discuss Question
Answer: Option B. -> Mateors
Question 934. .  The purity of Milk is determined by
  1.    Hydrometer
  2.    Lactometer
  3.    Stalagmometer
  4.    Thermometer
 Discuss Question
Answer: Option B. -> Lactometer
Question 935. .  The study of Drugs and their action is known as
  1.    Pharmacy
  2.    Palaeozoology
  3.    Pharmacology
  4.    Palaeontology
 Discuss Question
Answer: Option C. -> Pharmacology
Question 936. .  Name the branch of Zoology that deals with the scientific study of animal behaviour.
  1.    Ecology
  2.    Physiology
  3.    Ethology
  4.    Anatomy
 Discuss Question
Answer: Option C. -> Ethology
Question 937. .  Root pressure is measured by
  1.    Barometer
  2.    Atmometer
  3.    Manometer
  4.    Auxanometer
 Discuss Question
Answer: Option D. -> Auxanometer
Question 938. .  Which scientist discovered the radioactive element Radium ?
  1.    Marie Curie
  2.    Isaac Newton
  3.    Albert Einstein
  4.    Benjamin Franklin
 Discuss Question
Answer: Option A. -> Marie Curie
Question 939. .  Crescograph was invented by
  1.    S.N. Bose
  2.    P.C. Roy
  3.    J.C. Bose
  4.    P.C. Mahalanobis
 Discuss Question
Answer: Option C. -> J.C. Bose
Question 940. .  A tachometer is a device used to measure
  1.    gravitational pull
  2.    speed of rotation
  3.    surface tension
  4.    dispersive power
 Discuss Question
Answer: Option B. -> speed of rotation

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