Pollution Causes MCQs Test Online PDF Download

Pollution causes multiple choice questions (MCQs), pollution causes test prep to learn online IGCSE certificate programs courses. Learn effects of human activity on ecosystem multiple choice questions (MCQs), pollution causes quiz questions and answers. Career test prep on pollution: sewage as cause, soil erosion, conservation: renewable resources, deforestation and pollution aptitude test for online science biology scope courses distance learning.

Practice effects of human activity on ecosystem aptitude test MCQs: risks of skin cancer is increased if, for free online certificate courses with options more sun bathing is done, the cfcs are lowered, the greenhouse effect is lowered, more ultraviolet light penetrates the earth with online teacher help resources with study tests for teaching jobs and teaching strategies. Free skills assessment test is for online learning pollution causes quiz questions with MCQs, exam preparation questions and answers.

MCQ 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

D

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

D

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

D

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

D

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

A