Lichens

11 Questions | Total Attempts: 620

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Lichens - Quiz

Questions and Answers
  • 1. 
    Lichens are assigned to a taxonomic group 
    • A. 

      True

    • B. 

      False

  • 2. 
    Lichens are a relationship between an "algae" and a "fungus". The "algae" is usually a green algae or cyanobacteria
    • A. 

      True

    • B. 

      False

  • 3. 
    The algae provides ______?
    • A. 

      Food

    • B. 

      Water

    • C. 

      Protection

  • 4. 
    Fungus provides ______ ?
    • A. 

      Food

    • B. 

      Water

    • C. 

      Protection

  • 5. 
    Identification is usually based on the _____?
    • A. 

      Fungus

    • B. 

      Algae

  • 6. 
    Lichens are not sensitive to sulfur dioxide 
    • A. 

      True

    • B. 

      False

  • 7. 
    The "algae" and the fungi are associated together in what is called a spongy thallus
    • A. 

      True

    • B. 

      False

  • 8. 
    Crustose lichens....
    • A. 

      Look like miniature shrubs and are usually branched

    • B. 

      Attached to or embedded in the substrate over the entire lower surface

    • C. 

      They often form brightly colored patches on bare rocks and tree bark

    • D. 

      Weakly attached to the substrate

    • E. 

      The thalli are somewhat leaflike

    • F. 

      Attached to the substrate at one point

  • 9. 
    Foliose lichens...
    • A. 

      Weakly attached to the substrate

    • B. 

      Attached to in the substrate over the entire lower surface

    • C. 

      Looks like miniature shrubs and are usually branched

    • D. 

      The thalli are somewhat leaflike

    • E. 

      Form brightly colored patches on bare rocks and tree bark

    • F. 

      Attached to the substrate at one point

  • 10. 
    Fruitcose lichens...
    • A. 

      Attached in the substrate over the entire lower surface

    • B. 

      Often form brightly colored patches on bare rocks and tree bark

    • C. 

      The thalli are somewhat leaflike

    • D. 

      Weakly attached to the substrate

    • E. 

      Looks like miniature shrubs and are usually branched

    • F. 

      Attached to the substrate at one point

  • 11. 
    Which lichen is used by model railroad builders and is usually fed on by Caribou and Reindeer 
    • A. 

      Crustose

    • B. 

      Foliose

    • C. 

      Fruticose

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