Pollution Causes MCQs Quiz Online PDF Download

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Study bachelors and masters in biology degree MCQs: non-toxic, unreactive chemicals used as cooling agents in refrigerators are called as, for online courses with choices chloroflouridocarbonates, chloroflamocarbides, chloroflourocarbonates, and chlorofluorocarbon with online teacher help resources with study tests for teaching jobs and teaching strategies. Free skills assessment test is for online learn pollution causes quiz questions with MCQs, exam preparation questions and answers.

MCQs on Pollution CausesQuiz PDF Download

MCQ: Non-toxic, unreactive chemicals used as cooling agents in refrigerators are called as

  1. Chloroflouridocarbonates
  2. chloroflamocarbides
  3. chloroflourocarbonates
  4. chlorofluorocarbon


MCQ: Risks of skin cancer is increased if

  1. more sun bathing is done
  2. the CFCs are lowered
  3. the greenhouse effect is lowered
  4. more ultraviolet light penetrates the Earth


MCQ: Upon entering through stomata, leaves get damaged and plant dies. This pollutant is

  1. carbon dioxide
  2. lead
  3. carbon monoxide
  4. sulphur dioxide


MCQ: Volcanic eruptions, biological decay and forest fires release

  1. Carbon monoxide in air
  2. carbon dioxide in air
  3. sulpher dioxide in air
  4. ammonia in air


MCQ: Increased melting of ice glaciers may be a result of

  1. greenhouse effect
  2. smog formation
  3. sun getting closer to the Earth every year
  4. moon moving away causing more tidal activities