Dissolved Organic Carbon (DOC) and Its Significance Quiz
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Questions and Answers

What is the pore size typically used to filter dissolved organic carbon (DOC)?

  • 1 - 2 micrometers
  • 0.22 - 0.7 micrometers (correct)
  • 0.5 - 1.5 micrometers
  • 0.01 - 0.1 micrometers

    • What is the term for the fraction of organic carbon that remains on the filter after filtration?

  • Particulate organic carbon (POC) (correct)
  • Autochthonous DOC
  • Dissolved organic matter (DOM)
  • Allochthonous DOC

    • What does DOM refer to?

  • The mass of other elements present in the organic material
  • The fraction of organic carbon that passes through a filter
  • The total mass of dissolved organic matter (correct)
  • The mass of carbon in the dissolved organic material

    • Where does autochthonous DOC typically originate from?

    <p>Aquatic plants or algae</p> Signup and view all the answers

    What percentage of all organic carbon does dissolved organic carbon (DOC) account for?

    <p>Up to 20%</p> Signup and view all the answers

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