BIOLOGY 262, FALL 2000 – TAKE HOME—DUE FRI. OCT. 27THEXAMINATION #2 (PART 1)Name Date MULTIPLE CHOICE.For the following multiple choice questions circle the letter in front of theresponse that best answers the question or completes the sentence. (20%, 2% each)1. A bacteium that obtains both its energyand its carbon from complex organiccompounds is a….a. chemoautotroph.b. chemoheterotroph.c. photoautotroph.d. photoheterotroph.e. None of the above2. Which of the following organisms hasvascular tissue?a. Ulva (sea lettuce)b. Polytrichum (a true moss)c. Laminaria (blade kelp)d. Polypodium (a true fern)e. None of the above3. Kelp are placed in what kingdom?a. Alveolatab. Bacillariophytac. Foraminiferad. Stramenopilae. None of the above4. Bacteria that are usually mutualistic orcommensal but can cause disease undercertain circumstances are called…a. malefactions.b. opportunists.c. photoautotrophs.d. predators.e. None of the above5. Which of the following is fixed bymutualistic bacteria that live in the rootsof certain plants (e.g., alfalfa, beans)?a. carbon (C)b. nitrogen (N)c. silicon (Si)d. xenon (Xe)e. None of the above6. A nail is hammered into a tree trunk 1 mabove the ground. The tree grows taller by2 m per year. How high above the groundis the nail in 5 years?a. 2 mb. 3 mc. 10 md. 11 me. None of the above7. Which of the following allows bacteriato be modified to produce humaninsulin from a human insulin gene?a. possession of bacteriorhodopsinb. conjugationc. production of endosporesd. transformatione. None of the above8. Which of the following is TRUE aboutmoss sporophytes?a. They make sperm by meiosis.b. They are the dominant generation.c. They are temporarily haploid.d. They produce the ovules.e. None of the above (all are false)9. Extra food in Fungi is stored as whatchemical compound?a. Beta-Caroteneb. Glycogenc. Paramylumd. Starche. None of the above10. Which of the following has a diploidgametophyte?a. Ulva (sea lettuce)b. Chara (pondweed)c. Laminaria (kelp)d. Polytrichum (moss)e. None of the aboveMATCHING.For the following exercise match the taxonomic name in the right column with thecorresponding disease or organism in the left column. Each letter may be used more than once ornot at all. (7%, 1% each)1. Amoebic dysentery 2. Diatoms 3. Malaria 4. African Sleeping Sickness 5. Paramecium (a ciliate) A. AlveolataB. BacillariophytaC. CiliophoraD. EuglenozoaE. RhizopodaF. StramenopilaFILL-IN-THE-BLANK.For the following exercises write the appropriate word or words in theavailable space.(24%)1. Fill in the appropriate labels for thefollowing drawing. (6%) A B C a. b. c. 2. Fill in the appropriate labels for thefollowing drawing. (6%) C AB a. b. c. 3. Label an appropriate synapomorphy forthe indicated branches of the phylogenetictree below. Give TWO for B. (6%) Pterophyta Coniferophyta Anthophyta B A a. b. 4. Fill in the blanks below. (6%)The three domains of life are… , ‘and .BIOLOGY 262, FALL 2000EXAMINATION #2 (PART 2)Name Date DEFINITIONS.For the following words or phrases define them as accurately and concisely aspossible. (20%, 4% each)1. Phylogenetic Systematics (Cladistics):2. Embryo Sac:3. Mycorrhizae:4. Apical Meristem:5. Hypha (plural = hyphae):LIFE CYCLE IDENTIFICATION.For each of the following plant structures (1) circle its correctploidy (1n, 2n, 3n, etc.), (2) state what cellular process formed it, and (3) state what it will doOR produce. (10%, 2% each)1. Egg (Ovum): 1n 2n 3n 4n 5n Formed by: 2. Pollen: 1n 2n 3n 4n 5n Formed by: 3. Zygote: 1n 2n 3n 4n 5n Formed by: 4. Endosperm: 1n 2n 3n 4n 5n Formed by: 5. Sporangium: 1n 2n 3n 4n 5n Formed by:SHORT ESSAYS.For the following essays, address each question in as concise and lucid amanner as possible. Do NOT exceed the space provided. (20%)1. Describe the life cycle of a coniferophyte such as a pine. Include all life cycle stages andimportant structures. Label the ploidy of all important structures or tissues. Also indicate allcellular processes that occur. (Feel free to use text and/or drawings for your answer.) (10%)2. Explain why diagrams showing evolution as a progression towards a more and more human-like organism or use of descriptors like “more evolved” are incorrect and misguided from abiological perspective. (5%)3. Explain how antibiotic resistance arises in a population of bacteria.
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