BIOLOGY 262, FALL 1999EXAMINATION #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 points, 2 points each)1. A bacteium that obtains its energy fromlight and its carbon from carbon dioxideis a….a. chemoautotroph.b. chemoheterotroph.c. photoautotroph.d. photoheterotroph.e. None of the above2. A nail is hammered into a tree trunk 2 mabove the ground. The tree grows 1 m peryear. How high is the nail in 5 years?a. 2 mb. 5 mc. 10 md. 50 me. None of the above3. Diatoms are placed in what kingdom?a. Alveolatab. Bacillariophytac. Foraminiferad. Stramenopilae. None of the above4. Which of the following is TRUE aboutkelps?a. Hold onto the bottom with rootsb. Gametophyte stage is dominant inlife cyclec. No motile (mobile) stages in lifecycled. Members of the Kingdom Plantaee. None of the above (all are false)5. What is the primary component of aforaminiferan test?a. Proteinb. Calcium carbonatec. Silicad. Starche. None of the above6. Which of the following organismsexhibits a heterosporous life cycle?a. Ulva (sea lettuce)b. Polytrichum (a true moss)c. Laminaria (blade kelp)d. Polypodium (a true fern)e. None of the above7. Bacterial cells “swap” DNA in a processcalled .a. transformationb. mitosisc. conjugationd. binary fissione. transjugation8. Which of the following is TRUE aboutarchegonia?a. They make eggs (or an egg) bymeiosis.b. They form on the sporophyte.c. They are temporarily diploid.d. They make megaspores by meiosis.e. None of the above (all are false)9. Extra food in Euglenozoans is stored aswhat chemical compound?a. Beta-Caroteneb. Glycogenc. Paramylumd. Starche. None of the above10. Which of the following does NOT havea sporophyte in its life cycle?a. Ulva (sea lettuce)b. Chara (pondweed)c. Laminaria (kelp)d. Polytrichum (moss)e. None of the above (all have a sporophytestage in their life cycles)MATCHING.For the following exercise match the taxonomic name of the pathogen or vector inthe right column with the corresponding disease or mode of transmission in the left column. Eachletter may be used more than once or not at all. (8 points, 1 pt. each)1. Amoebic dysentery 2. Malaria 3. Balantidaisis 4. African Sleeping Sickness 5. Fecal/Oral contamination A. PlasmodiumB. TrypanosomaC. MosquitoD. CiliophoraE. RhizopodaF. EuglenozoaFILL-IN-THE-BLANK.For the following exercises write the appropriate word or words in theavailable space.(22 points)1. Fill in the appropriate labels for thefollowing drawing. (6 points) A B C a. b. c. 2. Fill in the appropriate labels for thefollowing drawing. (6 points) C AB a. b. c. 3. Label an appropriate synapomorphy forthe indicated branches of the phylogenetictree below. Give TWO for B. (6 points) Chlorophyta Charophyta Land Plants B A a. b. 4. Fill in the blanks below. (4 points)The three domains of life are… , ‘and .Meiosis produces (a #) haploid cells.BIOLOGY 262, FALL 1999EXAMINATION #2 (PART 2)Name Date DEFINITIONS.For the following words or phrases define them as accurately and concisely aspossible. (20 points, 4 points each)1. Secondary Growth:2. Sporopollenin:3. Root:4. Isogamous:5. Fruit:LIFE CYCLE IDENTIFICATION.For each of the following plant structures (1) state its ploidy(1n, 2n, 3n, etc.), (2) state what cellular process formed it, and (3) state what it will do ORproduce. (20 points, 4 points each)1. Pollen:2. Archegonium:3. Zygote:4. Megaspore:5. Integuments:SHORT ESSAYS.For the following essays, address each question in as concise and lucid amanner as possible. Do NOT exceed the space provided. (20 points)1. Describe the life cycle of a flowering plant. Include all life cycle stages and importantstructures. Label the ploidy of all important structures or tissues. Also indicate all cellularprocesses that occur. (Feel free to use text and/or drawings to for your answer.) (10 points)2. Compare and contrast seeds in conifers and flowering plants. What do they have in commonand how do they differ? (Feel free to use text and/or drawings to for your answer.) (6 points)3. Briefly explain why MDR-TB has become a problem in Russian prisons. (4
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