BIO 205                        EXAM I                   FEBRUARY 19, 1997  

NAME______________________________________ (PLEDGED)


FILL-IN (2 POINTS EACH)


1.    ___Answer___Plant process which uses carbon dioxide and releases oxygen.
 
2.     ___Answer___Individual who first devised a classification system based on plant form.
 
3.     ___Answer___Author of Species Plantarum .
 
4.     ___Answer___Taxonomic group which includes a group of related families.
 
5.     ___Answer___The part of a scientific name which is a noun.
 
6.     ___Answer___Taxonomic group which ends in ales.
 
7.     ___Answer___The nucleic acid which is the primary component of TMV.
 
8.     ___Answer___Term for circular DNA found in bacteria.
 
9.     ___Answer___Resistant bacterial spore type.
 
10.     ___Answer___Specialized bacterial surface structures which form conjugation tubes.
 
11.     ___Answer___Term for the layer of tangled polysaccharide fiber associated with bacterial binding.
 
12.     ___Answer___Term for the uptake of foreign DNA which results in genetic recombination.
 
13.     ___Answer___Photo-Autotrophic pigment found in purple sulfur bacteria.
 
14.     ___Answer___Specific term for organisms which obtain energy from the oxidation of inorganic molecules.
 
15.     ___Answer___Genus of bacteria which is associated with legumes in nitrogen fixation.
 
16.     ___Answer___Enzyme which is controlled by nif genes.
 
17.     ___Answer___Unique material which is found in nodules and is associated with oxygen transport.
 
18.     ___Answer___Acid which is responsible for the coagulation of milk proteins in cheese production.
 
19.     ___Answer___The organism which is used to indicate fecal pollution in water supplies.
 
20.     ___Answer___Genus of bacteria which is a common food spoilage organism which does not involve a toxin.
 
21.     ___Answer___Genus of organism which causes crown gall.
 
22.     ___Answer___Red pigment found in cyanobacteria.
 
23.     ___Answer___Specialized cell which is the site of nitrogen fixation in cyanobacteria.
 
24.     ___Answer___Unique gas produced by Archaebacteria in bogs and sewage treatment.
 
25.     ___Answer___Characteristic wall component which is found in fungi.
 
26.     ___Answer___Term for a mass of hyphae.
 
27.     ___Answer___Specialized absorbing structure formed by parasitic fungi.
 
28.     ___Answer___Term for cell fusion which does not involve nuclear fusion.
 
29.     ___Answer___Term for the N+N condition.
 
30.     ___Answer___Type of ascocarp which is flask shaped with a narrow opening.
 
31.     ___Answer___Ergot resting structures which produce LDA.
 
32.     ___Answer___Genus of yeast which is used in brewing.
 
33.     ___Answer___Subterranean ascomycete which is a prized delicacy.
 
34.     ___Answer___Primary spore produced by fungi imperfecti.
 
35.     ___Answer___Genus of the organism which is used to produce the characteristic flavor of bleu cheese.
 
36.     ___Answer___Group of asexual fungi which grow and infect skin cells.
 
37.     ___Answer___Form of lichen which is leaf-like.
 
38.     ___Answer___Enzyme which is responsible for the break down of wood by certain fungi.
 
39.     ___Answer___Hallucinogenic material produced by fungi and used in the Mayan culture.
 
40.     ___Answer___Group of Basidiomycetes which includes puff-balls (enclosed Basidiocarp).
 
41.     ___Answer___Spore type which is important in the black appearance of corn smut.
 
42.     ___Answer___Primary benefit to plants which is the result of a mycorrhizal relationship.
 
43.     ___Answer___Term for the mycorrhizae which forms an external sheath on roots.
 
44.     ___Answer___Disease which was originally controlled by Bordeaux Mixture.
 
45.     ___Answer___Unique hormonal chemical produced by Allomyces.
 
46.     ___Answer___Term for the naked mass of protoplasm produced by non-cellular slime molds.
 
47.     ___Answer___Primary stored food in slime molds.
 
48.     ___Answer___Brown accessory pigment found in diatoms.
 
49.     ___Answer___Term for diatoms which are symmetrical (wheel).
 
50.     ___Answer___Weak gelling agent produced by Chondrus (Irish Moss).
 
51.     ___Answer___Group of red algae which are important in the building of coral reefs.
 
52.     ___Answer___Primary storage material in red algae.
 
53.     ___Answer___Thickening agent produced by certain Brown Algae.
 
54.     ___Answer___General type of Green Algae which illustrates the Volvocine Line.
 
55.     ___Answer___Green Algal genus which is used as a protein food source.
 
56.     ___Answer___Structure in Acetabularia which controls cap morphology.
 
57.     ___Answer___Center for starch formation in Spirogyra chloroplasts.
 
58.     ___Answer___Algal genus which illustrates the tetrasporine tendency.






CHECK APPROPRIATE STATEMENTS

(1 point each correct statement,  -1 point each incorrect item checked.
One or more correct statements per question.




1 - The doctrine of signatures: (Answer)
            Was suggested by Theophrastus
            Indicates walnuts should cure kidney disorders
            Suggests the key to use lies hidden in form
            Involves the assignment of binomial names


2 - Cladistics: (Answer)
            Were first used by Linnaeus
            Involves evolutionary relationships
            Are associated with similarities in DNA and protein composition
            Involve phylogenetic relationships


3 - General primitive characteristics: (Answer)
            Organized nucleus
            Terrestrial growth
            Lack sexual reproduction     
            Multicellular organisms


4 - In a typical life cycle:  (Answer)
            Meiosis results in haploid (1N) cells
            Syngamy forms sporophyte (2N) cells
            The zygote is the first cell in the sporophyte generation
            The generations are usually isomorphic



5 - Bacteria: (Answer)
            Are the oldest living organism
            Do not contain mitochondria
            Walls contain peptidochitin
            In gram negative group contain lipopolysaccharide
            In the bacillus group are spherical in form


6 - In soil nitrogen conversions: (Answer)
            Nitrosomonas is responsible for the conversion of ammonia to nitrite
            Nitrification is the formation of nitrogen gas from nitrate
            Nodules are structures associated with nitrogen fixation
            Nitrobacter is involved in nitrogen fixation


7 - In the crown gall disease: (Answer)
            The tumor inducing principle is DNA
            T-DNA is taken up by host cells
            Plant hormone production is reduced
            Involves natural transformation


8 - Cyanobacteria: (Answer)
            Include Oscillatoria
            Edible species include Azolla
            Form resistant spores called hormogonia
            Do not have sexual reproduction



9 - Zygomycetes: (Answer)
            Are coenocytic
            Produce gametangia
            Produce endospores
            Include Rhizopus


10 - Ascomycetes: (Answer)
            Form antherida     
            Form 4 spores in the ascus
            May form clamp connections
            Include downy mildew
            Include chestnut blight
            Are parasitic


11 - Lichens:  (Answer)
            Involve an alga and a fungus
            Are associated with plant roots
            Are soil pioneers
            Are parasitic


12 - Basidiomycetes: (Answer)
            Include Hymenomycetes
            Produce 4 spores in a Basidiocarp
            Are septate
            Include Shitake mushrooms



13 - Wheat Stem Rust: (Answer)
            Basidiospores infect wheat
            Urediospores infect wheat
            Aeciospores infect wheat
            Is Autoecious


14 - Oomycetes: (Answer)
            Include Saprolegnia
            Include late blight of potatoes
            Produce zoospores
            Include slime molds


15 - Dinoflagellates: (Answer)
            Walls contain a relatively dense concentration of silicon dioxide
            Are used for their mild abrasive properties
            Are associated with red tides
            May contain peridinion
            Walls are composed of theca
            Form zooxanthae


16 - In the Polysiphonia life cycle:  (Answer)
            Carpospores are diploid
            Tetraspores are diploid
            The zygote is haploid
            The tetrasporophyte plant is diploid


17 - Brown Algae:  (Answer)
            Have sieve tube-like cells which primarily transport sugar
            Have pit connections
            Form Oogonia
            Store Laminarin


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Answers to Exam I



FILL-IN (2 POINTS EACH)

1. Photosynthesis    Plant process which uses carbon dioxide and releases oxygen.
Back to Questions

2. Theophrastus    Individual who first devised a classification system based on plant form.
Back to Questions

3. Linnaeus    Author of Species Plantarum.
Back to Questions

4. Order    Taxonomic group which includes a group of related families.
Back to Questions

5. Genus   The part of a scientific name which is a noun.
Back to Questions

6. Order    Taxonomic group which ends in "-ales".
Back to Questions

7. RNA    The nucleic acid which is the primary component of TMV.
Back to Questions

8. Plasmid    Term for circular DNA found in bacteria.
Back to Questions

9. Endospore    Resistant bacterial spore type.
Back to Questions

10. Pilli    Specialized bacterial surface structures which form conjugation tubes.
Back to Questions

11. Glycocalyx    Term for the layer of tangled polysaccharide fiber associated with bacterial binding.
Back to Questions

12. Transformation    Term for the uptake of foreign DNA which results in genetic recombination.
Back to Questions

13. Bacteriochlorophyll    Photo-Autotrophic pigment found in purple sulfur bacteria.
Back to Questions

14. Chemoautotrophic    Specific term for organisms which obtain energy from the oxidation of inorganic molecules.
Back to Questions

15. Rhizobium    Genus of bacteria which is associated with legumes in nitrogen fixation.
Back to Questions

16. Nitrogenase    Enzyme which is controlled by nif genes.
Back to Questions

17. Leghemoglobin    Unique material which is found in nodules and is associated with oxygen transport.
Back to Questions

18. Lactic    Acid which is responsible for the coagulation of milk proteins in cheese production.
Back to Questions

19. E. Coli    The organism which is used to indicate fecal pollution in water supplies.
Back to Questions

20. Salmonella    Genus of bacteria which is a common food spoilage organism which does not involve a toxin.
Back to Questions

21. Agrobacterium    Genus of organism which causes crown gall.
Back to Questions

22. Phycoerythrin    Red pigment found in cyanobacteria.
Back to Questions

23. Heterocyst    Specialized cell which is the site of nitrogen fixation in cyanobacteria.
Back to Questions

24. Methane    Unique gas produced by Archaebacteria in bogs and sewage treatment.
Back to Questions

25. Chitin    Characteristic wall component which is found in fungi.
Back to Questions

26. Mycelia    Term for a mass of hyphae.
Back to Questions

27. Haustonia    Specialized absorbing structure formed by parasitic fungi.
Back to Questions

28. Plasmogamy    Term for cell fusion which does not involve nuclear fusion.
Back to Questions

29. Dikaryon    Term for the N+N condition.
Back to Questions

30. Perithecium    Type of ascocarp which is flask shaped with a narrow opening.
Back to Questions

31. Sclerotia    Ergot resting structures which produce LDA.
Back to Questions

32. Saccharomyces    Genus of yeast which is used in brewing.
Back to Questions

33. Truffel    Subterranean ascomycete which is a prized delicacy.
Back to Questions

34. Conidiospore    Primary spore produced by fungi imperfecti. (-1 asexual)
Back to Questions

35. Penecillium    Genus of the organism which is used to produce the characteristic flavor of bleu cheese.
Back to Questions

36. Dermatophyte    Group of asexual fungi which grow and infect skin cells. (-1 dermatomycetes; -1 dermatospores)
Back to Questions

37. Foliose    Form of lichen which is leaf-like.
Back to Questions

38. Cellulase    Enzyme which is responsible for the break down of wood by certain fungi.
Back to Questions

39. Psilocyben    Hallucinogenic material produced by fungi and used in the Mayan culture. (-1 Psilocybe)
Back to Questions

40. Gasteromycete    Group of Basidiomycetes which includes puff-balls (enclosed Basidiocarp).
Back to Questions

41. Teliospore    Spore type which is important in the black appearance of corn smut.
Back to Questions

42. Increase Mineral Absorbtion    Primary benefit to plants which is the result of a mycorrhizal relationship.
Back to Questions

43. Ecto    Term for the mycorrhizae which forms an external sheath on roots.
Back to Questions

44. Downy Mildew    (Plasmophora) Disease which was originally controlled by Bordeaux Mixture.
Back to Questions

45. Sirenin    Unique hormonal chemical produced by Allomyces.
Back to Questions

46. Plasmodium    Term for the naked mass of protoplasm produced by non-cellular slime molds.
Back to Questions

47. Glycogen    Primary stored food in slime molds.
Back to Questions

48. Fucoxanthin    Brown accessory pigment found in diatoms.
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49. Cenntrate    (Centric) Term for diatoms which are symmetrical (wheel).
Back to Questions

50. Carrageanan    Weak gelling agent produced by _Chondrus_(Irish Moss).
Back to Questions

51. Coralline    Group of red algae which are important in the building of coral reefs.
Back to Questions

52. Floridean Starch    Primary storage material in red algae.
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53. Algin    Thickening agent produced by certain Brown Algae.
Back to Questions

54. Colony    (-1 Volvox) General type of Green Algae which illustrates the Volvocine Line.
Back to Questions

55. Chlorella    Green Algal genus which is used as a protein food source.
Back to Questions

56. Nucleus    Structure in Acetabularia which controls cap morphology. (-1 DNA)
Back to Questions

57. Pyrenoid    Center for starch formation in Spirogyra chloroplasts.
Back to Questions

58. Ulva    Algal genus which illustrates the tetrasporine tendency.
Back to Questions


(1 point each correct statement,  -1 point each incorrect item checked.
One or more correct statements per question.



1 - The doctrine of signatures:  (Back to Questions)
            Was suggested by Theophrastus
            Indicates walnuts should cure kidney disorders
       x    Suggests the key to use lies hidden in form
            Involves the assignment of binomial names



2 - Cladistics: (Back to Questions)
            Were first used by Linnaeus
       x    Involves evolutionary relationships
       x    Are associated with similarities in DNA and protein composition
       x    Involve phylogenetic relationships



3 - General primitive characteristics: (Back to Questions)
            Organized nucleus
            Terrestrial growth
       x    Lack sexual reproduction     
            Multicellular organisms



4 - In a typical life cycle: (Back to Questions)
       x    Meiosis results in haploid (1N) cells
       x    Syngamy forms sporophyte (2N) cells
       x    The zygote is the first cell in the sporophyte generation
            The generations are usually isomorphic


5 - Bacteria: (Back to Questions)
       x    Are the oldest living organism
       x    Do not contain mitochondria
            Walls contain peptidochitin
       x    In gram negative group contain lipopolysaccharide
            In the bacillus group are spherical in form



6 - In soil nitrogen conversions: (Back to Questions)
       x    Nitrosomonas is responsible for the conversion of ammonia to nitrite
            Nitrification is the formation of nitrogen gas from nitrate
       x    Nodules are structures associated with nitrogen fixation
            Nitrobacter is involved in nitrogen fixation



7 - In the crown gall disease: (Back to Questions)
       x    The tumor inducing principle is DNA
       x    T-DNA is taken up by host cells
            Plant hormone production is reduced
       x    Involves natural transformation



8 - Cyanobacteria: (Back to Questions)
       x    Include Oscillatoria
            Edible species include Azolla
            Form resistant spores called hormogonia
       x    Do not have sexual reproduction


9 - Zygomycetes: (Back to Questions)
       x    Are coenocytic
       x    Produce gametangia
            Produce endospore
       x    Include Rhizopus



10 - Ascomycetes: (Back to Questions)
       x    Form antherida     
            Form 4 spores in the ascus
            May form clamp connections
            Include downy mildew
       x    Include chestnut blight
            Are parasitic



11 - Lichens: (Back to Questions)
       x    Involve an alga and a fungus
            Are associated with plant roots
       x    Are soil pioneers
            Are parasitic



12 - Basidiomycetes: (Back to Questions)
       x    Include Hymenomycetes
       x    Produce 4 spores in a Basidiocarp
       x    Are septate
       x    Include Shitake mushrooms
     


13 - Wheat Stem Rust: (Back to Questions)
            Basidiospores infect wheat
       x    Urediospores infect wheat
       x    Aeciospores infect wheat
            Is Autoecious



14 - Oomycetes: (Back to Questions)
       x    Include Saprolegnia
       x    Include late blight of potatoes
       x    Produce zoospores
            Include slime molds



15 - Dinoflagellates: (Back to Questions)
            Walls contain a relatively dense concentration of silicon dioxide
            Are used for their mild abrasive properties
       x    Are associated with red tides
       x    May contain peridinion
       x    Walls are composed of  theca
       x    Form zooxanthae



16 - In the Polysiphonia life cycle: (Back to Questions)
       x    Carpospores are diploid
            Tetraspores are diploid
            The zygote is haploid
       x    The tetrasporophyte plant is diploid



17 - Brown Algae: (Back to Questions)
            Have sieve tube-like cells which primarily transport sugar
            Have pit connections
       x    Form Oogonia
       x    Store Laminarin



Back to BIO 205 Main Page