ECONOMIC BOTANY - FINAL EXAM - 15 DECEMBER 93

Note: This is a direct conversion of the exam used in 1993. The 1999 final will be similar in that short-answer questions will dominate BUT this is provided as a study aid and NOT as replicate or model of the 1999 final in terms of either structure or content.

I. Fill in the blanks: (30 points)
 
  1. The LIGHT REACTION of photosynthesis, water is split to produce ______ and ENERGY, whereas the CALVIN CYCLE consumes ______ to produce carbon compounds.

2. The flowering plant division Magnoliophyta is divided into two classes, the _______________ and the __________________.

3. Malting is artificial germination of the cereal ______________ to produce a class of enzymes known as _______________ which breakdown _______________ to sugars for fermentation.

4. Pulque, produced by fermentation of juices from the monocot genus ____________ can be distilled to produce the stronger beverage _____________.

5. The molecular structure of vegetable oils consists of a backbone made up of ______________ upon which various types of ________________ are attached.

6. Wild trees of Acacia senegal, a native of _______________ in the family ________________, are tapped to produce 90% of the world's supply of _______________.

7. Commercial development of rubber was stimulated when ____________________ discovered in 1823 that rubber was soluble in hexane, and the later (1839) discovery by _______________________ of 'vulcanization.'
 
 

 II. Match Plant with Crop (select 30 - 30 points)

** USE THIS ANSWER COLUMN FOR QUESTION V ALSO **
 
 

1
   Alfalfa a. Agave sisalana
2
   Banana b. Allium cepa
3
   Barley c. Avena sativa
4
   Black-eyed Pea d. Brassica campestris
5
   Bread wheat e. Brassica oleracea
6
   Broccoli f. Camellia sinensis
7
   Cabbage g. Cannabis sativa
8
   Chicory h. Capsicum annuum
9
   Cocoa i. Cichorium intybus
10
   Coir j. Citrullus lanatus
11
   Copra k Citrus sinensis
12
   Cucumber l. Cocos nucifera
13
   Eggplant n. Colocasia esculenta
14
   Fig o. Cucumis sativus
15
   Flax p. Cucurbita pepo
16
   Grape q. Ficus carica
17
   Guayule r. Glycine max
18
   Hemp s. Helianthus annuus
19
   Kale t. Hevea brasiliensis
20
   Lettuce u. Hordeum vulgare
21
   Lima Bean v. Ilex paraguariensis
22
   Maize w. Lactuca sativa
23
   Manila hemp x. Linum usitatissimum
24
   Maté y. Lupinus texanus
25
   Milo z. Lycopersicon esculentum
26
   Oats aa. Medicago sativa
27
   Onion bb. Musa paradisiaca
28
   Oranges cc. Musa textilis
29
   Peas dd. Oryza sativa
30
   Potato ee. Parthenium argentatum
31
   Red Pepper ff. Phaseolus lunatus
32
   Rice gg. Pisum sativum
33
   Rubber hh. Secale cereale
34
   Rye ii. Solanum melongena
35
   Sisal jj. Solanum tuberosum
36
   Soybean kk. Sorghum bicolor
37
   Taro ll. Theobroma cacao
38
   Tea mm. Triticum aestivum
39
   Tomato nn. Vigna unguiculata
40
   Turnip oo. Vitis vinifera
41
   Watermelon pp. Zea mays

III. Briefly define: (select 10 - 30 points)

1. Bombilla:

 

2. chicha:

 

3. Convergent Evolution:

 

4. Double Fertilization:

 

5. Epigynous:

 

6. Heterosis:

 

7. Laticifer:

 

8. Malt:

 

9. Microgametophyte:

 

10. Paracelsus:

 

11. Phloem:

 

12. Retting:

 

13. Xylem:
 
 

IV. You are on a job interview. Your potential employer (a botany buff), noting Economic Botany on your transcript, takes you to the supermarket to test your academic skills. Your mission: determine if the crop is of New World (N) or Old World (O) [or maybe both - O&N], if the crop is a monocot (M) or a dicot (D), and what plant part (structure) is used (select most accurate item from the group of responses in the 'selection' column. (select 15): (45 points)
 
 
    Origin N vs. O Class M vs. D Structure (select from next column)

Selections: (Structure)
  Almond        a. Berry
  Apple        b. Bractiole 
  Artichoke        c. Bulb
  Cane Sugar       d. Caryopsis
  Celery        e. Culm
  Cherry        f. Drupe
  Cloves        g. Endosperm
  Copra        h. Flower bud
  Corn Flour       i. Hesperidium
  Fig        j. Inflorescence Bud
  Grapefruit       k. Leaf 
  Irish Potato        l. Multiple Fruit
  Onion        m. Pepo 
  Peach        n. Petiole
  Radish        o. Pome
  Spinach       p. Pyrene
  Squash        q. Receptacle
  Strawberry       r. Root
  Sweet Corn       s. Stem
  Sweet Potato        t. Stigma
  Tomato        u. Synconium
  Whole Wheat        v. Tuber 

V. Using the list of species provided by question II, match species with description: (15 points)
 
 

1. _______ European production from this woody vine requires grafts onto rootstocks from North American species of the genus.

2. _______ British use of this leaf-producing Asian shrub increased after yields from drupe-producing African shrubs decreased because of a blight in Sri Lanka

3. _______ A dioecious, wind pollinated annual that yields bast fiber, oil, and intoxicating resins
 

4. _______ Coffee substitute and leafy vegetable of the Asteraceae

5. _______ An ancient Asian legume that yields tofu and soy sauce

6. _______ The only major world crop that originated in what is now the United States.

7. _______ Perhaps the oldest cereal crop which serves, in modern times, a primary function in the production of beer

8. _______ A caffeine-rich holly from southeastern South America

9. _______ Evolved in central or South America, initially thought to be poisonous in Europe, later adopted by Italy

10. ______ The world's greatest cash crop

11. ______ A shrub from the southwestern U.S. and Mexico that provides an alternative to Hevea rubber.

12. ______ An African bean that people tend to call a pea

13. ______ The World's most important food crop

14. ______ A polymorphic, cruciferous species, not favored by George Bush, that provides food from stem, leaf, and inflorescence

15. ______ An edible stem from the Andes

Return to course syllabus or take a look at the key for this sample (1993) final exam