Botany 200 Final Algae

26 Questions

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Algae Quizzes & Trivia

Botany final material algae ppt questions


Questions and Answers
  • 1. 
    ________ is sexual reproduction or union of gametes in algae. 
  • 2. 
    Photo autotrophs are the top of the marine food chain 
    • A. 

      True

    • B. 

      False

  • 3. 
    Photo autotrophs are responsible for how much of the oxygen on earth 
    • A. 

      30 to 50%

    • B. 

      50 to 60%

    • C. 

      60 to 70%

  • 4. 
    Diatoms and brown algae belong to this group 
    • A. 

      Chlorophyta

    • B. 

      Alveolates

    • C. 

      Stramenopiles

    • D. 

      None of the above

  • 5. 
    Diatoms have what type of unicells 
    • A. 

      Symmetrical

    • B. 

      Large

    • C. 

      Round

  • 6. 
    _________ are 2 halves of a cell wall 
  • 7. 
    Diatoms and brown algae (stramenopiles) are found where 
    • A. 

      Fresh water

    • B. 

      Salt water

    • C. 

      Coastal waters

    • D. 

      All of the above

    • E. 

      Just a and c

  • 8. 
    Diatomaceous earth is sedimentary rock made from algae skeletons 
    • A. 

      True

    • B. 

      False

  • 9. 
    The brown color in brown algae comes from what carotenoid 
    • A. 

      Fucoxanthin

    • B. 

      Sarassum

    • C. 

      Phycoerythria

  • 10. 
    What facts about algin are true 
    • A. 

      Thickens ice cream

    • B. 

      Is a 60 million/year industry

    • C. 

      Is added into toothpaste, cosmetics, soaps and paint

    • D. 

      Is not a sustainable harvest

    • E. 

      Is used for fertilizer

    • F. 

      Is a 40 million/year industry

  • 11. 
    Red algae is unicellular 
    • A. 

      True

    • B. 

      False

  • 12. 
    The red color in red algae comes from what photosynthetic pigment 
    • A. 

      Phycoerythria

    • B. 

      Phaeophyta

    • C. 

      Fucoxanthin

    • D. 

      Sarassum

  • 13. 
    Red algae is used in soups, carrageenan, and agar 
    • A. 

      True

    • B. 

      False

  • 14. 
    Where does red algae live check all that apply 
    • A. 

      Oceans

    • B. 

      Shallow tide pools

    • C. 

      Salt water

  • 15. 
    Red algae is able to change the relative amounts of photosynthetic pigments depending on the light conditions to maximize outcome of PSN
    • A. 

      True

    • B. 

      False

  • 16. 
    An example of an alveolate is 
    • A. 

      Chlorophyta

    • B. 

      Multicellular organism

    • C. 

      Dinoflagellate

  • 17. 
    Dinoflagellates are important primary producers in the oceans 
    • A. 

      True

    • B. 

      False

  • 18. 
    Red tides are toxic to animals living in them 
    • A. 

      True

    • B. 

      False

  • 19. 
    Alveolates are...
    • A. 

      Autotrophs

    • B. 

      Heterotrophs

    • C. 

      Both

  • 20. 
    Chlorophyta and streptophytes are 
    • A. 

      Green algae

    • B. 

      Brown algae

    • C. 

      Red algae

  • 21. 
    Coleochaetales (stoneworts) and Charales are closest related to land plants 
    • A. 

      True

    • B. 

      False

  • 22. 
    Green algae have what kind of relationship with fungi - lichen
    • A. 

      Paracitic

    • B. 

      Smybiotic

    • C. 

      No relation

  • 23. 
    Euglenoids are a clade of ______ protists with fagella
    • A. 

      Unicellular

    • B. 

      Multicellular

    • C. 

      Bicellular

  • 24. 
    All Euglena species are heterotrophic 
    • A. 

      True

    • B. 

      False

  • 25. 
    ________ Euglena become ________ in the dark, and they resume their __________ behavior when returned to light 
    • A. 

      Autotrophic, heterotrophic, autotrophic

    • B. 

      Heterotrophic, autotrophic, heterotrophic

    • C. 

      Autotrophic, heterotrophic, heterotrophic

  • 26. 
    What part of a euglenoid propels it? 
    • A. 

      Contractile vacuole

    • B. 

      Polysaccharides

    • C. 

      Fagella