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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: 13 / 56 🎯 10 per page
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Q. 3776
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The first nuclear test conducted by India under the code name of "Smiling Buddha" was in the year:
  • A 1973
  • B 1974
  • C 1975
  • D 1976
Correct Option: B  [ 1974 ]
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Q. 3772
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A device that is responsible for changing the voltage is:
  • A Transformer
  • B Encoder
  • C Decoder
  • D Translator
Correct Option: A  [ Transformer ]
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Q. 3771
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In which year was the "@" chosen for its use in e-mail addresses?
  • A 1972
  • B 1976
  • C 1980
  • D 1984
Correct Option: A  [ 1972 ]
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Q. 3768
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Plants absorb dissolved nitrates from soil and convert them into:
  • A free nitrogen
  • B urea
  • C ammonia
  • D proteins
Correct Option: C  [ ammonia ]
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Q. 3764
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India's first atomic power station was set up at:
  • A Surat (Gujarat)
  • B Tarapur (Maharashtra)
  • C Trombay (Maharashtra)
  • D Trombay (Maharashtra)
Correct Option: B  [ Tarapur (Maharashtra) ]
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Q. 3763
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Which of the following is a non metal that remains liquid at room temperature?
  • A Phosphorous
  • B Bromine
  • C Chlorine
  • D Helium
Correct Option: B  [ Bromine ]
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Q. 3762
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One kilometre is equal to how many miles?
  • A 0.84
  • B 0.5
  • C 1.6
  • D 0.62
Correct Option: D  [ 0.62 ]
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Q. 3761
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Which type of fire extinguisher is used for petroleum fire?
  • A Powder type
  • B Liquid type
  • C Soda acid type
  • D Foam type
Correct Option: A  [ Powder type ]
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Q. 3760
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The hottest part of the gas flame is known as:
  • A luminous zone
  • B dark zone
  • C blue zone
  • D non-luminous zone
Correct Option: D  [ non-luminous zone ]
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Q. 3755
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The salinity of the sea water is:
  • A 1.5 %
  • B 2.5 %
  • C 3.5 %
  • D 4.5 %
Correct Option: C  [ 3.5 % ]
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