______ are a subset of air pollution that refers to the tiny particles suspended everywhere in our atmosphere.

This question was previously asked in
RRB ALP Fitter 23 Jan 2019 Official Paper (Shift 2).
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  1. Loan
  2. Aerosols
  3. Genomes
  4. Humus

Answer (Detailed Solution Below)

Option 2 : Aerosols
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Detailed Solution

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The correct answer is Aerosols.

Key Points

  • Aerosols are a subset of air pollution that refers to the tiny particles suspended everywhere in our atmosphere.
  • Aero-solution is abbreviated as aerosol, is a suspension of fine solid particles or water droplets in the air.
  • The size of particles ranges from 10-9 m to 10-4 m.
  • The natural aerosols include fog, mist, dust, etc.
  • The aerosol that have originated due to human activity include particulate air pollutants and smoke.
  • Genome refers to the genetic material of an organism. It can be either DNA or RNA depending on the creature.
  • The organic material that is formed by the decomposition of dead animals and plants and enrich the soil is termed as humus.
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