Environmental Pollution Quiz
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Questions and Answers

What is the definition of environmental pollution?

  • The influence of any substance causing nuisance, harmful effects, and uneasiness to organisms
  • The introduction of foreign elements into the environment
  • Any undesirable change in physical, chemical, or biological characteristics of air, water, or soil causing harmful effects on life or property (correct)
  • The presence of any substance causing uneasiness to the environment

    • What is a pollutant?

  • Any substance causing changes in the environment
  • Any foreign material introduced into the environment
  • Any substance causing nuisance, harmful effects, or uneasiness to organisms (correct)
  • Any substance causing uneasiness to the environment

    • How is pollution defined?

  • The alteration of the environment by any substance
  • The presence of any substance causing uneasiness to the environment
  • The influence of any substance causing nuisance, harmful effects, and uneasiness to organisms (correct)
  • The introduction of foreign elements into the environment

    • Which type of pollutants are directly emitted from the source?

    <p>Primary pollutants</p> Signup and view all the answers

    What are substances put into the air by the activities of mankind, in such concentrations, which are sufficient to cause harmful effects?

    <p>Air pollutants</p> Signup and view all the answers

    Which of the following is an example of a secondary pollutant?

    <p>Sulphur trioxide (SO3)</p> Signup and view all the answers

    According to the WHO (1999), what is the nature of the substances defined as 'Air pollutants'?

    <p>They cause harm or discomfort to humans or other living organisms</p> Signup and view all the answers

    What are pollutants that are formed in the atmosphere as a result of reactions between normal air constituents and primary pollutants or amongst primary pollutants only?

    <p>Secondary pollutants</p> Signup and view all the answers

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