All the exams, both the lecture and lab exams, are worth a total of 100 pts. This goes for the final exam as well. The two parts in the final exam, one for the botany another for the zoology part, are worth 100 pts each.

Read questions and answers carefully. Using a #2 pencil, fill in the little circle on the answer key. Return your answers to the bonus questions on the separate sheet.

MULTIPLE CHOICES (3 pts each)

1. Heteromorphic alternation of generations means that

1. sporophytes are autotrophic but gametophytes are heterotrophic
2. gametophyte and sporophyte generations look identical
3. sporophyte and gametophyte generations are non-photosynthetic
4. gametophytes and sporophytes look different
5. both sporophyte and autotrophic generations are saprotrophic

1. starch
2. ATP
3. ATP and NADPH
4. glycogen
5. glucose

1. are never present in bryophytes
2. are never present in ferns
3. are present in all members of kingdom Plantae
4. are present only in vascular plants
5. none of the above

1. they utilize PEP carboxylase prior to Calvin cycle
2. their light-dependent and light-independent reactions are temporally separated
3. they utilize an intermediate C4 carbon compound prior to Calvin cycle
4. they fix CO₂ at night
5. all of the above

1. you ingested ascomycetes
2. you ingested basidiomycetes
3. you ingested zygomycetes
4. you ingested ascomycetes and basidiomycetes
5. you ingested ascomycetes and zygomycetes

1. saprotrophic fungi provide additional carbohydrates
2. fungal mycelium anchors the roots in the substrate
3. fungi protect the plant roots from pathogens
4. fungi control stomates
5. all of the above

1. is a treasured, valuable, unique collection that is not publicly available for study
2. is discarded once species description is complete
3. is the collection upon which the species description is based
4. is any collection of that species stored in a herbarium
5. typical example of a species maintained and made available for public viewing in herbarium

1. a collection of individuals that can reproduce with each other
2. a collection of morphologically similar individuals
3. a group of individuals sharing a fairly recent common ancestor
4. the basic unit of classification
5. all of the above

1. are autotrophic
2. have functional stomata and cuticles
3. have megaphyll
4. are nutritionally dependent on female gametophyte
5. are in most cases haploid

1. one produces spores through meiosis whereas the other does not
2. one needs free water for sperm movement whereas the other does not
3. one has a multicellular sporophyte whereas the other has not
4. one has well developed vascular tissues whereas the other does not
5. one produces gametes through mitosis whereas the other does not

1. taxonomists want to draw attention to economically important plants by redefining species
2. with new evidence at hand, taxonomists can present a more accurate natural way to infer relationships among organisms
3. anyone can circumscribe present binomials and change current plant names
4. new species are being discovered virtually every day
5. all of the above

1. all organisms must respire to live
2. they have Crassulean Acid Metabolism
3. CO₂ can be substituted for H₂O in the dark reactions
4. RUBP can "fix" either CO₂ or O₂
5. PEP carboxlase is present and fixes CO₂ more rapidly

1. are primarily responsible water transportation
2. regulate gas and liquid exchange with the environment
3. are least specialized of the tissues
4. are made by all plant meristems
5. all of the above

1. most of them have no cuticle
2. like ferns they require free water for sexual reproduction
3. water and dissolved minerals move by capillarity over their surfaces
4. they have no roots for water uptake
5. all of the above

1. vascular systems evolved by means of endosymbiosis
2. tissue differentiation is acquired by endosymbiosis
3. cyclic photophosphorylation is an endosymbiotic reaction
4. mitochondria and chloroplasts are a result of some bacteria being enclosed within other bacteria
5. nucleus was a bacterium that invaded other prokaryotic cells

1. a structure that is absent in animal cells
2. a structure confined within tonoplast
3. a structure that stores cellular waste products
4. a structure necessary for plant cells because plants have no excretory or circulatory systems
5. all of the above

1. Asexual reproduction results in unique, genetically distinct offspring
2. Asexual reproduction involves mitotic and meiotic divisions
3. Asexual reproduction always leads to fertilization and diploid zygote
4. Meiosis does not precede asexual reproduction; all resulting offspring is genetically identical to parent organism
5. Asexual reproduction occurs exclusively in diploid generations

1. are present in the life cycle of all groups of algae
2. are parasitized by the sporophyte
3. are haploid and give rise to haploid gametes
4. are a direct result of gametic meiosis
5. as a general rule, do not reproduce asexually

Hints:

Both Ranunculus and Anemone comprise monophyletic genera within family Ranunculaceae. All species are monophyletic. The branch lengths are random and imply no distance between the terminal clades. One spcies can occupy more than just one terminal clade. Remember, binomials present evolutionary hypotheses.

19. A plant identified as Ranunculus acris belongs on

1. the terminal clade a because both genera, Anemone and Ranunculus, are monophytetic
2. the terminal clade b because Anemone tenpetal shares a more recent ancestor with Ranunculus acris than with any other species
3. the terminal clades c, d, or e because all species within genus Ranunculus share a common ancestor
4. the terminal clade e because two individuals of Ranunculus acris share a more recent ancestor with each other than with any other species within genus Ranunculus
5. any terminal clade because both genera, Anemone and Ranunculus, belong to family Ranunculaceae

1. the terminal clade b because both Anemone tenpetal and Ranunculus testiculatus have a specific epithet beginning with letter t
2. the terminal clade b because Anemone tenpetal shares a more recent ancestor with Ranunculus testiculatus than with any other species
3. the terminal clades c, d, or e because all species within genus Ranunculus share a common ancestor and we do not have adequate information to place it within the genus more accurately
4. the terminal clade d because both Ranunculus texensis and Ranunculus testiculatus have a specific epithet beginning with letter t
5. any terminal clade because both genera, Anemone and Ranunculus, belong to family Ranunculaceae

21. Sporic meiosis is a process whereby haploid

spores are produced meiotically TRUE FALSE

22. Cell walls made of cellulose

are common in Fungi TRUE FALSE

23. Early medical science relied

heavily on botany TRUE FALSE

24. C3 plants tend to do better in dry,

hot environments than C4 plants TRUE FALSE

25. Mass of hyphae is

called prothallus TRUE FALSE

26. Common bakerís yeast is

an ascomycete TRUE FALSE

27. C4 plants have temporal separation of the

Calvin cycle and CO₂ fixation TRUE FALSE

28. Trichomes include root hairs TRUE FALSE

29. Gametes in bryophytes are

a result of mitotic division TRUE FALSE

30. Some fungi derive their energy

and carbon by decomposing organic matter TRUE FALSE

31. Peat can be considered as renewable

source of energy TRUE FALSE

32. Algal blooms suffocate fish by getting

stuck to the gills of the fish TRUE FALSE

33. Sporophylls are fertile leaves TRUE FALSE

34. Dikaryon is a cell with one nucleus and

two sets of chromosomes TRUE FALSE

35. Karyogamy means fusion of nuclei,

an event similar to fertilization TRUE FALSE

36. Meristem is region with cells primarily

concerned with growth TRUE FALSE
 
 

37. Light dependent reactions harvest

energy with a Golgi apparatus TRUE FALSE

38. The cell theory states that an organism is

a sum of its primary components, cells TRUE FALSE

39. Sclerentchyma is primarily involved in

photosynthesis TRUE FALSE

40. In non-cyclic photophosphorylation O₂ is

derived from splitting of water TRUE FALSE
 
 
 
 

ORGANISMIC BIOLOGY 201 Exam 1, Sept. 18, 2000

Name _______________________ SSN# ______________________

Lab (circle one) 9:30 12:30 2:30
 
 

Bonus Questions:

Bonus 1 (10 pts)

ALL THE BONUS QUESTIONS ARE TREASURED SECRETS NOT TO BE RELEASED PRIOR TO THE EXAM

Bonus 2 (5 pts)

ALL THE BONUS QUESTIONS ARE TREASURED SECRETS NOT TO BE RELEASED PRIOR TO THE EXAM