BIS%202C%20Midterm%20II%20S10%20key-1

BIS%202C%20Midterm%20II%20S10%20key-1 - Name: Annotated...

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Name: Annotated Answer Key _________ Last, First Biological Sciences 2C (Dehesh & Keen) Spring 2010 Midterm #2 Please Read the Instructions First . Check your pages--there are 12 pages in this exam (including this page). You are responsible for making sure that you have all the pages. This examination is worth 100 points. Please bubble in the 9 digits of your student ID number on your scantron. Mark Test Form A. True/False questions—10 questions at 2 points each: 20 points total Multiple Choice Questions—20 questions worth 3 pts each: 60 points total 1. Indicate your answers on the scantron sheet using a number 2 or a test scoring pencil. Press heavily, do not stray out of the margins, and completely erase any changed answers. 2. Circle your answers on the page. 3. If you think that a multiple choice question is ambiguous or confusing, use the “explanation sheet” at the end of the examination to explain the problem. Put your name on this sheet—we tear them off to read them! Fill-in Questions--3 questions, some with multiple parts, worth 20 points total 1. Use pen only (no grade corrections for pencil). 2. Write only one answer per question--you can elaborate on an answer, but you will not be given any credit if you write two different answers to the question . 3. Be specific and focused; do not expect the graders to read between the lines. 4. Spelling rules: No points will be given if the misspelling alters the meaning of the word. There are also 2 bonus multiple-choice questions (page 11) worth 6 points total You have 50 minutes, so budget your time –leave enough time to complete the last fill-in section, as it is worth 20% of the exam. Page 8: _____________/6 Page 9 ______________/7 Page 10 ______________/7
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Midterm 1 BIS 2C Spring 2010 2 True / false questions (2 Points each; total = 20 Points) Fill in the answer on the SCANTRON using a #2 pencil. Indicate whether the sentence or statement is true or false: A for true and B for false . 1. The gene APETALA1 is involved in floral patterning. True 2. A mitochondrion contains DNA and evolved from an ancient symbiosis with a cyanobacterium. False 3. Endosperm is part of the embryo. False 4. The potato blight implicated in the Irish potato famine is caused by a microbial eukaryote in the Oomycetes. True 5. All living seed plants produce pollen. True 6. Organisms responsible for bioluminescent waves and for the poisoning associated with Red Tide are dinoflagellates. True 7. The first land plants protected their embryos against desiccation by packing them in seeds. False 8. Locomotion by cilia is a synapomorphy for a group of microbial eukaryotes. True 9. In pines, pollen is carried from the pollen cone to the seed cone by wind. True 10. Kelp (brown algae) are members of the clade Plantae. False % right 74% 75% 78% 94% 62% 97% 90% 78% 77% 81%
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Midterm 1 BIS 2C Spring 2010 3 MULTIPLE CHOICE QUESTIONS (3 POINTS EACH; TOTAL: 60 PTS.) Mark the letter of the one (1) correct answer on your SCANTRON form using a
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BIS%202C%20Midterm%20II%20S10%20key-1 - Name: Annotated...

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