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General Science MCQ

General Science MCQ Practice

Practice General Science questions with instant scoring, correct answer highlighting, detailed solutions and first-click AI explanation caching for missing explanations.

📚 Questions: 553 🧭 Page: 39 / 56 🎯 10 per page
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Q. 1570
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Who invented the contact lens?
  • A Enrico Fermi
  • B Adolf Gaston Eugen Fick
  • C Sandford Fleming
  • D Benoit Fourneyron
Correct Option: B  [ Adolf Gaston Eugen Fick ]
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Q. 1567
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Metrology is a science of:
  • A Wheather
  • B Measurement
  • C Distance
  • D none of these
Correct Option: B  [ Measurement ]
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Q. 1566
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Purity of milk is tested by:
  • A Electrometer
  • B Lactometer
  • C Radiometer
  • D Refractometer
Correct Option: B  [ Lactometer ]
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Q. 1556
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The largest artery in human body is:
  • A Aorta
  • B Capillary
  • C Vena cava
  • D Pulmonary vein
Correct Option: A  [ Aorta ]
The aorta is the largest artery of the body and carries blood from the heart to other part of the body.
Q. 1554
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Who discovered Electron?
  • A Enrico Fermi
  • B Robert Noyce
  • C J.J.Thomson
  • D James Dyson
Correct Option: C  [ J.J.Thomson ]
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Q. 1550
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Who invented Dynamite?
  • A J B Dunlop
  • B Alfred Nobel
  • C James Simons
  • D Peter Hargreaves
Correct Option: B  [ Alfred Nobel ]
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Q. 1549
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Which of the following trees shed their leaves once in a year?
  • A Deciduous trees
  • B Coniferous trees
  • C Evergreen trees
  • D Both deciduous and coniferous trees
Correct Option: A  [ Deciduous trees ]
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Q. 1548
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Gravitational force is maximum at which of the following place?
  • A At equator
  • B At tropic of cancer
  • C At tropic of Capricorn
  • D At poles
Correct Option: D  [ At poles ]
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Q. 1543
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Red data book contains data of which of the following?
  • A All plant species
  • B All animal species
  • C All endangered species
  • D All extinct species
Correct Option: C  [ All endangered species ]
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Q. 1542
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Which of the following is an Inert Gas?
  • A Hydrogen
  • B Nitrogen
  • C Oxygen
  • D Argon
Correct Option: D  [ Argon ]
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