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

A

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

A

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

C

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

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

B

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

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

D