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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: 12 / 56 🎯 10 per page
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Q. 3831
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Which of the following is not a property of heavy water ?
  • A Boiling point of heavy water is lower than that of ordinary water
  • B density of heavy water is higher than that of ordinary water
  • C freezing point of heavy water is higher than that ordinary water
  • D it produces corrosion
Correct Option: A  [ Boiling point of heavy water is lower than that of ordinary water ]
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Q. 3830
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Which one of the following is called the 'power house' of the cell ?
  • A Golgi body
  • B Mitochondrion
  • C Ribosome
  • D Lysosome
Correct Option: B  [ Mitochondrion ]
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Q. 3829
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Plasma membrane in eukaryotic cells is made up of:
  • A Phospholipid
  • B Lipoprotein
  • C Phospholipo-protein
  • D Phospho-protein
Correct Option: A  [ Phospholipid ]
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Q. 3828
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One of the constitutes of tear gas is:
  • A Ethane
  • B Ethanol
  • C Ether
  • D Chloropicrin
Correct Option: D  [ Chloropicrin ]
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Q. 3827
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A vitamin requires cobalt for its activity. The vitamin is:
  • A Vitamin B<sub>12</sub>
  • B vitamin D
  • C vitamin B<sub>2</sub>
  • D Vitamin A
Correct Option: A  [ Vitamin B<sub>12</sub> ]
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Q. 3820
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What is deposited on iron in the process of galvanisation?
  • A Copper
  • B Zinc
  • C Tin
  • D Aluminium
Correct Option: B  [ Zinc ]
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Q. 3819
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Which of the following metals is the most ductile metal?
  • A Gold
  • B Aluminium
  • C Copper
  • D Tin
Correct Option: A  [ Gold ]
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Q. 3794
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An instrument used for measuring depth of an ocean is called?
  • A Hydrometer
  • B Hygrometer
  • C Fathometer
  • D Galvanometer
Correct Option: A  [ Hydrometer ]
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Q. 3793
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The SI unit of temperature is
  • A Temperature
  • B Ampere
  • C Watt
  • D Kelvin
Correct Option: D  [ Kelvin ]
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Q. 3778
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When pressure is increased, then the melting point of ice:
  • A Increases
  • B Decreases
  • C Remains unchanged
  • D Depends on the impurities in the ice
Correct Option: B  [ Decreases ]
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