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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: 49 / 56 🎯 10 per page
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Q. 763
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Which one is the hardest form of carbon ?
  • A Coke
  • B Graphite
  • C Diamond
  • D Charcoal
Correct Option: C  [ Diamond ]
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Q. 762
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The gas used for artificial ripening of green fruit is:
  • A Ethylene
  • B Ethane
  • C Carbon dioxide
  • D None of these
Correct Option: A  [ Ethylene ]
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Q. 761
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Ozone hole refers to :
  • A hole in Ozone layer
  • B decrease in the Ozone layer
  • C decrease in thickness of Ozone layer
  • D increase in thickness of Ozone layer
Correct Option: C  [ decrease in thickness of Ozone layer ]
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Q. 760
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Mesons are found in
  • A Laser beam
  • B X-ray
  • C Gamma rays
  • D Cosmic rays
Correct Option: D  [ Cosmic rays ]
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Q. 759
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Nuclear fission is caused by the impact of
  • A Neutron
  • B Proton
  • C Deuteron
  • D Electron
Correct Option: A  [ Neutron ]
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Q. 754
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'Beans' is associated with computer programming language :
  • A C++
  • B Java
  • C COBOL
  • D PASCAL
Correct Option: B  [ Java ]
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Q. 732
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Who was the first Indian to go into space ?
  • A Ravi Malhotra
  • B Satish Dhawan
  • C Rakesh Sharma
  • D Kalpana Chawla
Correct Option: C  [ Rakesh Sharma ]
A former Indian Air Force pilot. In the year 1984.
Q. 704
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Ozone layer is situated in the upper regions of
  • A Troposphere
  • B Stratosphere
  • C Magnetosphere
  • D Mesosphere
Correct Option: B  [ Stratosphere ]
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Q. 687
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The longest day in the southern Hemisphere is on :
  • A 22nd December
  • B 21st June
  • C 21st March
  • D 23rd September
Correct Option: A  [ 22nd December ]
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Q. 647
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Acid rain is caused due to the pollution of environment by:
  • A Carbondioxide and Nitrogen
  • B Carbon monoxide and Carbondioxide
  • C Ozone and Methane
  • D Some oxide of Nitrogen and Sulpher
Correct Option: D  [ Some oxide of Nitrogen and Sulpher ]
Acid rain is caused by a chemical reaction that begins when compounds like sulfur dioxide and nitrogen oxides are released into the air
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