front 1 A sporophyte is | back 1 diploid |
front 2 True or False. Gymnosperms reproductive strategies include the process of double fertilization. | back 2 False |
front 3 True or False. Sympatric speciation is the most common form of speciation. | back 3 False |
front 4 Which of the following is true of all horizontally oriented phylogenetic trees, where time advances to the right? | back 4 The common ancestor represented by the rightmost branch point existed more recently in time than the common ancestors represented at branch points located to the left. |
front 5 In seed plants, the male gametophyte develops into a _______________. | back 5 pollen grain |
front 6 You are at Home Depot shopping for angiosperms for your new flower garden. You are interested in getting the biggest bang for your buck, and want to purchase plant species that will survive and bloom year after year. Specifically, you want to purchase__________. | back 6 perennials |
front 7 Which statement about bacterial cells walls is FALSE? | back 7 bacterial cell walls lack peptidogylcan |
front 8 Below is a drawing of a flower with indicator lines for selected anatomical features. Correctly match the flower parts identified by the lines in the drawing with the list of names of flower structures given in A-E below. (hint: only one answer correctly identifies all 4 structures) | back 8 petal, anther, stigma, ovary |
front 9 The seed coat's most important function is to provide | back 9 desiccation resistance |
front 10 Which of the following is an important source of endotoxin in gram-negative species? | back 10 cell wall |
front 11 Conjugation is a form of bacterial recombination where A. one-way transfer of DNA occurs between two bacteria B. DNA is transferred via a mating bridge C. the merger of this genetic material creates a novel genome D. all of the above E. none of the above | back 11 all of the above |
front 12 The Revolution of Molecular Phylogenetics has allowed the scientific community to____________. A.give us new information about phylogenies that morphological studies cannot give B. develop molecular clocks for organisms C.enhance our understandings of little known traits that are not morphologically easy to identify D. all of the above E. none of the above | back 12 all of the above |
front 13 Mitotic activity by the apical meristem of a stem makes which of the following possible? A. primary growth. B. decreased absorption of mineral nutrients. C. increased absorption of CO2. D. increased number of chloroplasts in roots. E. effective lateral growth of the roots. | back 13 primary growth. |
front 14 Which of the following metabolic types is found only in prokaryotes? A. photoautotrophs B. chemoheterotrophs C. chemoautotrophs D. autoheterotrophs | back 14 chemoautotrophs |
front 15 Which one of the following characteristics do all fungi have in common? A. meiosis in basidia B. coenocytic hyphae C. sexual life cycle D. absorption of nutrients E. symbioses with algae | back 15 absorption of nutrients |
front 16 The best classification system is that which most closely A. unites organisms that possess similar morphologies. B. conforms to traditional, Linnaean taxonomic practices. C. reflects evolutionary history. D. reflects the basic separation of prokaryotes from eukaryotes. | back 16 reflects evolutionary history. |
front 17 Which of the following statements correctly describes a portion of the pine life cycle? A. Female gametophytes use mitosis to produce eggs B. Seeds are produced in pollen-producing cones C. Pollen grains contain female gametophytes D. A pollen tube slowly digests its way through the triploid endosperm | back 17 Female gametophytes use mitosis to produce eggs |
front 18 The sexual reproduction stage known as plasmogamy in fungi occurs when A. spores produce structures B. parental nuclei migrate are in the same cytoplasm C. mitosis forms spores D. fusion of the cytoplasm of 2 different mating types E. fusion of the 2 parental nuclei | back 18 fusion of the cytoplasm of 2 different mating types |
front 19 Which event during the evolution of land plants probably made the synthesis of secondary chemical compounds most beneficial? | back 19 the rise of herbivory |
front 20 Which of the following is NOT a derived trait of all land plants? A. Walled spores produced in sporangia B. Multicellular gametangia C. Alternation of generations D. Apical meristems E. Seeds | back 20 Seeds |
front 21 The correct sequence, from the most to the least comprehensive, of taxonomic levels listed here is? | back 21 kingdom, phylum, class, order, family, genus, and species |
front 22 If a seed is covered with spines or hooks, what is the most likely method of seed dispersal? | back 22 animal skin, fur, or feathers |
front 23 In plants, which of the following are produced by meiosis? | back 23 haploid spores |
front 24 Crimson Tide (neurotoxic shellfish poisoning) is caused by | back 24 dinoflagellates |
front 25 A botanist discovers a new species of plant in a tropical rain forest. After observing its anatomy and life cycle, she notes the following characteristics: flagellated sperm, xylem with tracheids, separate gametophyte and sporophyte generations with the sporophyte dominant, and no seeds. This plant is probably most closely related to | back 25 ferns |
front 26 In seedcracker finches from Cameroon, small- and large-billed birds specialize in cracking soft and hard seeds, respectively. If long-term climatic change resulted in all seeds becoming hard, what type of selection would then operate on the finch population? | back 26 directional selection |
front 27 True or False. Plant growth is different from animal growth in that plant growth is determinant. | back 27 False |
front 28 Land plants evolved from __________________________. | back 28 charophytes (green algae) |
front 29 Which of the following is NOT a mechanism of bacterial recombination? | back 29 mutation |
front 30 Which famous scientist wrote the book On the Origin of Species? | back 30 Charles Darwin |
front 31 Which of the following is a characteristic of all angiosperms? | back 31 double internal fertilization |
front 32 The main way that pine trees disperse their offspring is by using __________. | back 32 windblown seeds |
front 33 The strongest evidence for the endosymbiotic origin of eukaryotic organelles is the similarity between existing prokaryotes and which of the following? | back 33 mitochondria and chloroplasts |
front 34 Which of the following statements best describes theories? | back 34 They are supported by, and make sense of, many observations. |
front 35 Photoautotrophs use | back 35 light as an energy source and CO2 as a carbon source. |
front 36 Which of the following pairs are the best examples of homologous structures? | back 36 bones in the bat wing and bones in the human forelimb |
front 37 Which free-living cells were the earliest contributors to the formation of Earth's oxidizing atmosphere? | back 37 cyanobacteria |
front 38 Which of the following flower parts develops into the pulp of a fleshy fruit? | back 38 ovary |
front 39 Genetic variation in bacterial populations CANNOT result from | back 39 meiosis |
front 40 Which of the following is an ongoing trend in the evolution of land plants? | back 40 reduction of the gametophyte phase of the life cycle |
front 41 Working from deep geologic strata toward shallow geologic strata, what is the correct sequence in which fossils of these groups should make their first appearance? | back 41 single-celled green algae, charophytes, bryophytes, plants with a dominant sporophyte |
front 42 Which of the following is NOT a characteristic that distinguishes prokaryotes from eukaryotes? | back 42 prokaryotes lack ribosomes |
front 43 Among the species (labeled A-E) in the phylogenetic tree below, which two are most closely related? | back 43 C and D |
front 44 The drawing below represents an unfertilized gymnosperm ovule. The ovule consists of the megaspore, integument, megasporangium, and the spore wall. Identify the megaspore in this drawing. | back 44 2 (area around seed for nutrients) |
front 45 What does the biological species concept use as the primary criterion for determining species boundaries? | back 45 reproductive compatibility |
front 46 Which of the following seedless plant possesses a dominant sporophyte stage in their life cycle? | back 46 Pterophyta (ferns) |
front 47 Some molecular data place the giant panda in the bear family (Ursidae) but place the lesser panda in the raccoon family (Procyonidae). Consequently, the morphological similarities of these two species are probably due to | back 47 possession of analogous structures. |
front 48 Plant development is controlled in three important ways. Which aspect below is NOT one of the ways in which plant development is controlled? | back 48 transduction |
front 49 What is the only mechanism of microevolution that consistently causes adaptive evolution? | back 49 Natural Selection |
front 50 Early land plants lacked A. the photosynthetic pathway B. flowers C. vascular tissue D. xylem E. all of the above except A F. none of the above | back 50 all of the above except A |
front 51 Green algae differ from land plants in that many green algae | back 51 are unicellular. |
front 52 What is the structure in angiosperms that is specialized for sexual reproduction? | back 52 flower |