Survey
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
BIO 142 May 2004 Final Exam Name_____________________________ Multiple Choice (1 point each) Identify the letter of the choice that best completes the statement or answers the question. ____ ____ ____ ____ ____ ____ ____ ____ ____ ____ 1. The protein coat of a virus is called the a. capsule c. pilus b. capsid d. exospore 2. Retroviruses differ from other RNA viruses because they a. have reverse transcriptase c. destroy hosts lytically b. have different capsid shapes d. all of the above 3. Viruses are members of which kingdom? a. Eubacteria c. Prokaryota b. Archaebacteria d. none of the above 4. Which of the following properties of living things do viruses possess? a. Reproduction c. Membrane bound cells b. Metabolism d. All of the above 5. The lysogenic cycle differs from the lytic cycle in that a. The host is ruptured at the end of the c. The host is not killed during the lytic lysogenic cycle cycle b. The viral nucleic acid is inserted into d. Mitosis does not occur during the the host's genome during the lysogenic lysogenic cycle cycle 6. Short segments of RNA that cause plant diseases are known as a. viroids c. virions b. viruses d. prions 7. Scientists were most skeptical of Stanley Prusiner's prion hypothesis because he proposed that a. no nucleic acid information was c. the disease caused brain proteins to involved in the transmission of the fold in an abnormal way disease b. mad cow disease arose from cows d. humans could contract variant being fed the remains of sheep with Creutzfeld-Jacob disease from eating scrapie beef from mad cows 8. A dikaryon is a. the same as a diploid c. a cell with two different haploid nuclei b. a pair of haploid cells d. none of the above 9. Alternation of generations first arose in the a. Protista c. Plantae b. Fungi d. Animalia 10. Which of the following is not considered to be evidence supporting the endosymbiont hypothesis? a. Mitochondrial ribosomes resemble c. Eukarotic cilia resemble prokaryotic prokaryotic ribosomes. flagella. b. Chloroplasts are about the same size as d. Chloroplasts and mitochondria photosynthetic bacteria. reproduce by non-mitotic cell division. Page 1 of 6 BIO 142 May 2004 Final Exam Name_____________________________ ____ 11. Multicellular algae are considered to be protists because a. They are photosynthetic c. They lack true organs b. They are aquatic d. Their gametes resemble the gametes of other protists ____ 12. Archaebacteria differ from eubacteria in that a. Archaebacteria do not have c. Archaebacteria are more likely to be peptidoglycan in their cell walls found living in extreme environments b. Many of the eubacteria cause diseases d. All of the above ____ 13. Males differ from females in that a. males have intromittent organs c. females produce larger gametes b. females get pregnant d. males are larger and stronger than females ____ 14. A life cycle that includes both a multicellular haploid and a multicellular diploid stage exhibits a. sexual dimorphism c. polyspermy b. alternation of generations d. polyploidy ____ 15. Which of the following are considered benefits of multicellularity? a. Reduced mass-specific metabolic rate c. Improved ability to escape predation b. Differentiation into specialized tissues d. All of the above ____ 16. The phyla of Fungi can be distinguished by their a. Sexual reproductive structures c. Hyphae b. Mycelia d. All of the above ____ 17. Which of the Fungi produce a dikaryon? a. Ascomycota c. Chytridomycota b. Basidiomycota d. Both a and b ____ 18. What is a dikaryon? a. A cell in which nuclei have divided c. A spore formed by the fusion of repeatedly without cytokinesis hyphae with two diferent mating types b. A cell with two flagella d. A cell with two haploid nuclei ____ 19. Most of the mass of wood and other plant matter comes from carbon. Where do the plants get this carbon from? a. soil c. fertilizer b. air d. water ____ 20. Which of the following are thought to be adaptations to terrestrial life? a. stomata c. seeds b. vascular tissues d. all of the above ____ 21. Dicots are characterized by having a. a single seed leaf c. parallel leaf venation b. flower parts in multiples of 3 d. none of the above ____ 22. In bryophytes, the ___________ generation is the dominant life form a. anthophyte c. sporophyte b. gametophyte d. none of the above ____ 23. Double fertilization in angiosperms results in a. triploid endosperm c. one seed and one fruit b. twin embryos d. pollen tube growth Page 2 of 6 BIO 142 May 2004 Final Exam Name_____________________________ ____ 24. The beginnings of cephalization are first seen in the a. scyphozoans c. nemertians b. platyhelminths d. nematodes ____ 25. A coelom is a completely surrounded by a. ectoderm c. endoderm b. mesoderm d. spines ____ 26. Triploblastic refers to a. Having three embryonic tissue layers c. Being composed of three cells b. Having three different types of d. Having three stages in a life cycle weapons ____ 27. For a behavior to be adaptive, it must a. be learned c. be truly altruistic b. increase the odds that the individual d. increase an individual's inclusive performing the behavior will survive fitness ____ 28. For an animal to respond to a pheromone, it must a. have chemoreceptors that can detect c. be able to smell the pheromone with its the pheromone nose b. be able to see the pheromone d. be of the opposite sex of the individual producing the pheromone ____ 29. Darwin developed his theory of sexual selection in order to explain a. why there are two sexes c. why there is sexual reproduction b. why the two sexes often look different d. the origin of sex ____ 30. In bees, the direction toward a food source is communicated by a. the vibrations produced by a dancing c. nothing -- there is no signal for bee direction, bees simply fly upwind until they encounter an advertised food source b. the angle between the direction of d. the location, relative to the opening of gravity's pull and the direction of the the hive, at which the returning forager straight run of the waggle dance performs her waggle dance ____ 31. If a male white crowned sparrow is reared from birth in a soundproof booth in which it only hears a tape of another species singing, as an adult it will most likely a. sing the song type it heard on the tape c. sing a white-crowned sparrow song with no recognizable dialect b. sing the dialect its parents sang d. not sing at all ____ 32. Vampire bats will regurgitate blood to feed an unrelated bat that is near starvation. The bats that are fed are usually grooming partners of the bat feeding them. This is an example of a. altruism for the good of the species c. reciprocal altruism b. indirect reciprocity d. kin selection ____ 33. in which type of mating system do you expect the variation in male mating success to be greatest? a. Monogamy c. Polyandry b. Polygyny d. Promiscuity Page 3 of 6 BIO 142 May 2004 Final Exam Name_____________________________ ____ 34. The growth rate of a population can be expressed as a. (b-d) + (i-e) c. b+d b. i-e d. (K-N)/K ____ 35. In population ecology models, r stands for a. the per capita rate of population c. the Malthusian parameter growth b. the intrinsic rate of increase d. all of the above ____ 36. Competitive exclusion is the result of a. interspecific competition c. character displacement b. intraspecific competition d. succession ____ 37. A ___________ has both biotic and abiotic components a. population c. ecosystem b. community d. species ____ 38. Carbon may be stored for long periods of time in a. trees c. limestone b. fossil fuels d. all of the above ____ 39. Unlike pyramids of biomass, pyramids of energy can never be inverted because a. higher trophic levels can never support c. lower trophic levels must always more organisms than lower trophic support fewer organisms than higher levels trophic levels b. some of the energy in each trophic d. none of the above level is inevitably lost as heat ____ 40. Which of the following represents a mutualistic interaction? a. Sharks and remoras c. Starfish and mussels b. Lichens d. All of the above ____ 41. Biological magnification refers to a. The increase in body size of organisms c. The increase in temperature that results over evolutionary time from certain gases in the atmosphere b. The ability of birds of prey to see d. The increase in the concentration of small prey from a great distance toxins in higher trophic levels ____ 42. It is cold in Iowa in winter because a. The Earth is far from the Sun at this c. The North Pole is pointed away from time of year the Sun at this time of year b. Less of the Earth is illuminated by the d. The Earth is in the Sun's shadow at this Sun at this time of year time of year ____ 43. Which of the following human activities have contributed to the extinction of one or more species? a. Habitat destruction c. Introduced species (exotics) b. Commercial hunting d. All of the above ____ 44. When forest habitat is fragmented, which of the following occurs? a. Populations of interior species will c. The habitat will become cooler and increase because there are now more moister on average patches b. Edge effects will disproportionately d. All of the above impact small fragments Page 4 of 6 BIO 142 May 2004 Final Exam Name_____________________________ ____ 45. The history of commercial fisheries teaches us that a. people are usually good stewards of c. variation in the weather is to blame natural resources if they have an whenever fisheries decline economic interest in harvesting them b. while fish populations may decline due d. most commercially fished populations to factors such as weather, they usually are eventualy reduced to the point recover and become as productive as where it is no longer economically they were viable to harvest them ____ 46. Organisms that are present but not indiginous to an area are referred to as a. exotics c. introduced species b. aliens d. all of the above ____ 47. Greenhouse gases warm the atmosphere primarily by a. creating a barrier that traps warm air in c. reflecting and absorbing heat that is the atmosphere like the walls of a radiating out from the Earth house so it does not difuse out into space b. absorbing incoming solar radiation d. all of the above ____ 48. Global warming is controversial because a. it is not clear that the Earth is actually c. it is not clear that atmospheric CO2 is warming up increasing b. it is not clear that human activities are d. all of the above significant drivers of climate change Matching (1 point each) Match the description below to the taxon it best describes a. Eukarya d. Fungi b. Animalia e. Protozoa c. Plantae ____ 49. Multicellular ingestive heterotrophs ____ 50. Multicellular eukaryotic autotrophs ____ 51. Motile, heterotrophic, unicellular eukaryotes ____ 52. Multicellular absorptive heterotrophs ____ 53. Organisms with membrane-bound organelles ____ ____ ____ ____ ____ ____ ____ ____ 54. 55. 56. 57. 58. 59. 60. 61. Match the terms below with their best description from the list provided a. Carrying capacity e. Logistic growth b. Exponential growth f. Maximum sustainable yield c. Doubling time g. r-strategist d. K-strategist h. per capita rate of increase a "J" shaped plot of N vs t an "S"shaped plot of N vs t the maximum population size that the environment can support indefinitely dn/dt when N = K/2 large litters, small body, rapid maturity infrequent reproduction, type I survival, extensive parental care ln(2)/r ln() Page 5 of 6 BIO 142 May 2004 Final Exam Name_____________________________ Problem 62. Complete the following table by placing the words "yes" or "no" in each cell to indicate whether the phylum has or lacks the character at the head of each column (1/2 point each -- total = 12 points) Phylum Vascular tissue Flowers Pollen Seeds Swimming sperm Fruit Pteridophyta Bryophyta Anthophyta Coniferophyta 63. Devise a dichotomous key that can be used to successfully discriminate among the phyla represented by the specimens (A-D) displayed at the station with the same number as this question number. Try to make your key reflect major differences among the phyla. Identify the phylum to which each specimen belongs. (8 points) (List names of phyla here) A. B. C. D. Put dichotomous key here: 64. You are studying an introduced species of insect pest whose population appears to be growing exponentially. Last year the population density was 300/hectare. This year the population density is 325/hectare. A. Assuming this population is growing exponentially, what is its intrinsic rate of increase, r? B. Asuming the population continues to grow exponentially, what size do you expect it to be in three more years? 65. You sample a population of box turtles and find 160 that are homozygous recesive, 80 that are heterozygous 10 that are homozygous dominant Is this population in Hardy-Weinberg equilibrium? Please show all work necessary to answer this question. Extra Credit 66. What animals have we seen during this class that are currently on Iowa's list of endangered and threatened species? (1 point per species) 67. Complete the following limerick (limerick) \'lim-(û-)rik\ n [Limerick, Ireland]: a humorous, rhyming, and often bawdy verse of five lines, in which the first two lines form a rhyming couplet. The third and fourth lines, which are shorter than the first two, form a second rhyming couplet, and the last line rhymes with the first couplet "The dead zone in the gulf was a' growin'..." 68. What are the "seven wonders" of caring for the world and what does each represent? Page 6 of 6