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PRELIMINARY EXAMINATION 2 NAME: ___________________ ID No.: ___________________ PRELIMINARY EXAMINATION 2 – 2005 GENERAL PARASITOLOGY COVERING THE MESOZOA AND THE HELMINTHS DATE: April 12 or April 14 PLEASE WRITE YOUR NAME ON EVERY PAGE. ALSO, RECORD YOUR ID NUMBER IF YOU KNOW WHAT IT IS. Examinations : Each examination will consist of 50 multiple-choice questions, with only a single correct answer per question. Keys will be posted as soon as it is verified that all students have taken the exam. I will change how a question is graded if it becomes obvious from class performance that it was written incorrectly or in an ambiguous manner. Answers are recorded on bubble sheets and graded by machine; I will also ask that answers be recorded on the test paper itself. It is probably going to take me a week to get this back to you, mainly because I will be out of town. I will get it aback as fast as I can. Grades: Each question on each examination will be worth 2 points; thus, there will be a total of 300 points in the course. Your final numeric total divided by 3 will determine your grade. Rounding is performed by the simple method that any fraction over a whole number will be rounded to the next whole number, i.e., 91.009, 91.1, and 91.7 will all equal 92. Grades will be based on the Cornell formula: <60 F, 60-62 D-, 63-65 D, 66-69 D+, 70-72 C-, 73-75 C, 76-79 C+, 80-82 B-, 83-85 B, 86-89 B+, 90-92 A-, 93- 95 A, 96-100 A+
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PRELIMINARY EXAMINATION 2 NAME: ___________________ BIOMI AND VETMI 331 ID No.: ___________________ 1. Mesozoa are the "middle animals." They are so named because a. They are parasites of the orcs and trolls of Middle Earth b. They were initially believed to be between cestodes and trematodes c. They were thought to represent a link between nematodes and arthropods d. They were thought to be the most primitive of the multicellular animals e. They have sexual stages that develop in the "middle" of the pansporoblast 2. In which host would you expect to find a Dicyemida or Rhombozoan Mesozoan? a. Shark b. Oligochaetes c. Cephalopod Mollusks d. Turtle e. Earthworm 3. In what organ would you look for a Dicyemidan Mesozoan? a. Eye b. Ovaries and testes c. Kidney (nephridia) d. Liver (Hepatopancreas) e. Nervous system 4. What aspect of Mesozoa leads some to believe they are related to trematodes? a. Ciliated surface b. Asexual multiplication c. Presence of eggs and sperm d. All of the above e. None of the above 5. where would you search to find a Rhombozoan Mesozoan? a. River b. Lake c. Thermal vent or hot spring d. Ocean e. Andes or the Himalayas 6. Orthonectid Mesozoa differ from the Rhobozoan Mesozoa in that they are parasites of a. Sharks and rays b. Octopus and squid c. Starfish and other echinoderms d. Clams and mussels e. Teleost fish 7. Orthonectid Mesozoa also differ from Diceymida Rhombozoan Mesozoa in that as parasites they a. Are known to utilize a final and intermediate host b. Have an amoeboid syncytial stage that lives within
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