BIOLOGY 262, FALL 1998EXAMINATION #1 (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. What does it mean to “fix nitrogen”?a. release nitrogen from ammoniab. bind ammonia to carbonc. release nitrogen from decayingorganic matterd. use atmospheric nitrogen to formammoniae. detoxify nitrogen compounds2. A nail is hammered into a tree trunk 1 mabove the ground. The tree grows 1 m peryear. How high is the nail in 10 years?a. 0.1 mb. 1 mc. 5 md. 10 me. starch3. Which of the following is a component ofcell walls of bacillariophytes?a. chlorophyll cb. cellulosec. chlorophyll bd. silicae. starch4. Which of the following is ABSENT inmembers of the Kingdom Archaezoa?a. nucleib. mitochondriac. flagellad. ribosomese. None of the above (all are present inarchaezoans)5. In this course the brown algae (kelps andrelatives) are placed in what kingdom?a. Phaeophytab. Protistac. Plantaed. Chromistae. Cyanobacteria6. What type of cell would a fiber becharacterized as?a. parenchymab. sclerenchymac. collenchymad. vessel elemente. sieve-tube member7. Bacterial cells reproduce in a processcalled .a. transformationb. mitosisc. conjugationd. binary fissione. transjugation8. Which of the following is true aboutantheridia?a. They make spem by meiosis.b. They are the site of fertilization.c. They are temporarily diploid.d. They make microspores by meiosis.e. They are formed by mitosis.9. Which of the following is NOT true aboutpollen?a. It is formed by mitosis.b. It is sometimes produced in cones.c. A pollen grain is a small plant.d. It is produced only by seed plants.e. None of the above (all are true)10. Which of the following does NOT havea sporophyte in its life cycle?a. Ulva (sea lettuce)b. Chara (pondweed)c. Macrocystis (kelp)d. Polytrichum (moss)e. None of the above (all have a sporophytestage in their life cycles)MATCHING.For the following exercise the answers in the right column with the correspondingterrestrial biome in the left column. Each letter may be used more than once.(7 points, 1 pt. each)1. Foraminifera 2. Rhizopoda 3. Euglenophyta 4. Ciliophora 5. Zoomastigophora A. Flagella (or Flagellum)B. TestC. PseudopodiaD. Macronucleus & micronucleusE. CiliaFILL-IN-THE-BLANK.For the following exercises write the appropriate word or words in theavailable space.(23 points)1. Fill in the appropriate labels for thefollowing drawing. (10 points) a. b. c. d. e. 2. Fill in the nutritional modes. (4 points) Carbon fromCO2 Carbon fromorganicmolecules Energyfrom light Energyfromchemicalcompds. 1. Label an appropriate synapomorphy forthe indicated branches of thephylogenetic tree below. (6 points) Chlorophyta Charophyta Land Plants C B A a. b. c. 2. Fill in the blanks below. (3 points)A stain indicating the structure ofprokaryote cell walls is called .Cells stained red or pink are called and cells stainedpurple are called .BIOLOGY 262, FALL 1998EXAMINATION #1 (PART 2)Name Date DEFINITIONS.For the following words or phrases define them as accurately and concisely aspossible. (20 points, 4 points each)1. Endospore:2. Alternation of Generations:3. Ovule:4. Fruit:5. Transpiration:LIFE CYCLE IDENTIFICATION.For each of the following structures (1) give an example of agroup of organisms that has the structure, (2) state its ploidy (1n, 2n, 3n, etc.), (3) state whatcellular process formed it, and (4) state what it will do or produce. (20 points, 4 points each)1. Sporangium:2. Archegonium:3. Microspore:4. Embryo Sac:5. Zygote: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 moss. Include all life cycle stages and important structures. Alsoindicate all cellular processes that occur. (Feel free to use text and/or drawings to for youranswer.) (8 points)2. Define seed. Describe or illustrate the structure of a seed. Explain how seeds differ betweenconifers and flowering plants. (6 points)3. Explain how antibiotic resistance arises in a population of bacteria. (6
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