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Everyday Science Most Important MCQs Six

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Density of water is ________?
  • A. 897 kg/m³
  • B. 997 kg/m³
  • C. 1000 kg/m³
  • D. 1025 kg/m³
According to Einstein’s general theory of relativity the universe: ________?
  • A. Must be expanding
  • B. Must be contracting
  • C. Must be either expanding or contracting
  • D. Must be neither expanding nor contracting
Pressure is measured by ________?
  • A. Barometer
  • B. Voltmeter
  • C. Lactometer
  • D. Ammeter
Primary cosmic rays are composed largely of very fast ________?
  • A. Protons
  • B. Neutrons
  • C. Electrons
  • D. Gamma rays
What do you understand by disease “Insomnia”?
  • A. Color blindness
  • B. Depression
  • C. Hypertension
  • D. Inability to sleep
How many rows and columns are in the modern Periodic Table?
  • A. 18 columns and 7 rows
  • B. 12 columns and 9 rows
  • C. 7 columns and 18 rows
  • D. 25 columns and 15 rows
What melted rock eventually becomes lava?
  • A. Iron
  • B. Metals
  • C. Magma
  • D. Coal
Material for rain-proof coats and tents owe their water proof properties to ________?
  • A. Surface tension
  • B. Viscosity
  • C. Specific gravity
  • D. Elasticity
A man is standing on a weighing machine in a lift which is moving. The weighing machine will show MINIMUM reading when, the lift is moving?
  • A. Upward with uniform speed
  • B. Downward with uniform acceleration
  • C. In a free fall due to failure of the lift mechanism
  • D. None of these
Nitrogen occurs in plant and animals in the form of ________?
  • A. Minerals
  • B. Fats
  • C. Carbohydrates
  • D. Proteins
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