Air and Water Pollution Multiple Choice Questions and Answers 3 PDF Download

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MCQs on Air and Water Pollution Worksheets 3 Quiz PDF Download

MCQ: Large number of organisms can die if there is

  1. low level of oxygen
  2. low level of carbon dioxide
  3. low level of methane
  4. low level of ethane


MCQ: Waste which takes 3 to 4 weeks to be decomposed in landfill is

  1. banana peel
  2. wooden log
  3. disposable diaper
  4. leather shoe


MCQ: Waste which takes 80 to 100 years to be decomposed in landfill is

  1. paper bag
  2. plastic bag
  3. aluminum can
  4. disposable diaper


MCQ: Layer of atmosphere that absorbs ultraviolet rays from Sun is called

  1. troposphere
  2. ozone layer
  3. thermosphere
  4. mesosphere


MCQ: Air condition equipment, leaking refrigerators, spray cans and burning of plastic foams release

  1. carob-oxides
  2. herbicides
  3. pesticides
  4. chlorofluorocarbon