SC 250 Botany Fall 2000 Midterm Examination

Answer all questions on your own paper.
Short Answer:

  1. In a single sentence, what is ethnobotany?
  2. Which type of botanist classifies plants?
  3. A botanist named Linnaeus wrote a "flora".  In botany class, what is a flora?
  4. Dr. Balick spoke of a disease called Susta.  He explained that susta is an example of a particular class of diseases.  Susta belongs to what class of diseases?
  5. Give the name of a disease in your own culture that is in the same class as susta.
  6. For what disease is quinine used?
  7. What key parts of a plant should be collected for a herbarium specimen?
  8. Give one problem associated with invasive plants.
  9. Why is false sakau, Piper auritum, considered a threat to Pohnpei?
  10. What distinguishes Prokaryotes from Eukaryotes?
  11. What shape is a cocci bacteria?
  12. Cyanobacteria "threads" contain heterocysts.  What is the function of the heterocyst in cyanobacteria?
  13. What special type of cell can bacteria form to enable it to survive long periods of time exposed to harsh sunlight, high heat levels, or chemical attack?
  14. A population at risk of contracting the diplococcus bacteria Neiseria gonorrhoeae is also at risk for what other modern and far more deadly disease?
  15. What is a pilus and what does a bacteria do with its pilus?
  16. About how many years ago did bacteria arise on this planet?
  17. What is a thermoacidophile bacteria resistant to?
  18. Name two ways that a bacteria can reproduce.
  19. Which is your favorite bacteria?
  20. Which organism lives in a "glass house?"
  21. Euglena has special abilities both with the lights on and with the lights off.   What are these special abilities in the light and in the dark?
  22. Spirogyra has only one method of asexual reproduction, what is that one method?
  23. [Language preservation question] What is the Kosraen name for Asplenium nidus?
  24. What is an indusium?
  25. How many files would you have to submit in order to turn in the following web page?

    <p><img src="stinkhorn01.jpg" width="200" height="266">
    <img src="stinkhorn02.jpg" width="200" height="266"></p>
    <p>Stinkhorn photographed in Nantipw-Lewetik Nett, 21 November 1999 by Dana Lee Ling.</p>
    <p><a href="../botany.html">Botany home page</a></p>

    Longer answer (multi-sentence)
  26. What unique compounds do fungi and plants separately possess that make it unlikely that plants evolved from fungi (or that fungi evolved from plants)?
  27. What benefits do fungi and plants each obtain from a mycorrhizal association?
  28. The sporophyte for mosses could be considered an epiphyte of a sort. Explain why.
  29. In what ways are the mosses of bryophyta "primitive" compared to other plants such as lycophyta and pterophyta?
  30. In what ways are the mosses of bryophyta "advanced" compared to protists such as chlorophyta?
  31. List some of the common features found in chlorophyta (green algae), bryophyta (mosses), and the seedless vascular plants (lycopodium, ferns).

  32. Draw a sketch of a spirogyra including the cell wall and the chloroplast on your paper.  Label the parts of the Spirogyra.
  33. Sketch, to the best of your ability, a Cyathea nigricans on your paper.

  34. Completely label the parts of the bryophyte seen on the left below.maid_frond_01.jpg (15720 bytes)
  35. Label the parts of this fern frond seen at the above right.
  36. Matching.  You can use an image more than once. 
    1. _____ Asplenium nidus
    2. _____ Basidiomycetes
    3. _____ Dicranopterus linearis
    4. _____ epiphyte
    5. _____ indusium
    6. _____ Lycopodium cernuum
    7. _____ Lycopodium phlegmaria
    8. _____ Phymatosorus scolopendria
    9. _____ saprophyte
    10. _____ sorus
    11. _____ strobili
A.lycopodium_cernuum_10x.jpg (30224 bytes) B.maid60.jpg (28212 bytes)
C. D.
E. F.

G.asplenium_nidus_epiphytic.jpg (47410 bytes) H.

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