Environmental Chemistry I Atmosphere Multiple Choice Questions 9 PDF Download

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MCQs on Environmental Chemistry I Atmosphere Quiz PDF Download Worksheets 9

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