Environmental Chemistry I Atmosphere Multiple Choice Questions and Answers 9 PDF Download

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MCQ on Environmental Chemistry I Atmosphere Worksheets 9 Quiz PDF Download

MCQ: Majority of UV rays are screened out by

  1. Oxygen
  2. Nitrogen
  3. Ozone
  4. Carbon


MCQ: Most of dust particles and water vapours are present in

  1. Troposphere
  2. Stratosphere
  3. Mesosphere
  4. Thermosphere


MCQ: Which of following comes mainly due to combustion of fuel used in motor vehicles?

  1. CFCs
  2. Methane
  3. Carbon monoxide
  4. Lead compounds


MCQ: Which of following causes headache and dizziness and can even cause death if inhaled for a long time?

  1. Sulphur dioxide
  2. Carbon dioxide
  3. Nitrogen dioxide
  4. Carbon monoxide


MCQ: Anything that has a harmful effect on some part of environment is called

  1. Dirt
  2. Virus
  3. Pollutant
  4. None of these