Final Exam (9am)

Final Exam (9am) - Name_ TA_ BISC 120L Final Exam, December...

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Name__________________________ TA____________________ Total points this page ________ 1 BISC 120L Final Exam, December 12 2005, 9am section, version 1 300 points A. Multiple choice. Select the most appropriate answer and mark your answer in the blue answer sheet (scantron). In the blue answer sheet, you need only to write and fill in your name. Write your TA’s name on the top right corner and the test version number 1, 2, 3 or 4. (3 points each, 165 points total) 1. Tropical rain forests lack which of the following characteristics? A) majority of mammals are bats B) abundance of epiphytes C) high primary production D) dystrophic condition E) none of the above 2. Organisms are classified into 3 domains: __________ A) Prokaryota – Eukaryota – Protista B) Eukaryota - Protista – Cercozoa C) Eukarya – Archaea – Bacteria D) Charophycea – Basidiomycetes – Prokaryota E) Bacteria – Precambrian – Aveolates 3. Double fertilization in seed plants first results in A) the formation of petals. B) a 2N endosperm. C) a cotyledon. D) a 3N zygote. E) none of the above. 4. The origin of mitochondria and plastids in higher organisms is believed to have occurred by A) alternation of generations. B) photoheterotrophs. C) endosymbiosis. D) maximum likelihood. E) paedomorphosis. 5. The single huge earth land mass that existed about 200 million years ago was called A) stromatolites. B) cyanobacteria. C) Laurasia. D) paralagous. E) Pangaea.
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Name__________________________ TA____________________ Total points this page ________ 2 6. Molecular homologies are best recognized by A) phylogenetic trees. B) alignment of DNA sequences. C) gene duplications. D) gene diversity. E) none of the above. 7. The xylem in plants A) forms the bark on trees. B) conducts water and minerals through sieve tubes. C) evolved to anchor the plants. D) are characteristic of mosses. E) none of the above. 8. Which of the following is not characteristic of fungi? A) hyphae that form a mycelium B) occurring as ecto- or endo- mycorrhizae C) reproduce asexually by spores and budding D) occur as crustose, foliose, and fruticose growth forms E) none of the above 9. Viruses are not characterized by which of the following? A) reproduce only within host cells B) have capsids of capsomeres C) contain RNA or DNA D) have a lock and key molecular attachment to the host cell E) have operons that promote the formation of genes 10. Methanogens A) use CO 2 and H 2 to produce CH 4 . B) reproduce by the union of gametes. C) are created by photoheterotrophs. D) result from the conversion of N 2 to NH 3 . E) none of the above. 11. Nitrifying bacteria convert NH 4 to A) CH 4 . B) C0 2 . C) SO 2 . D) NO 2 . E) PO 4 . 12. Both chloroplasts and mitochondria
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Final Exam (9am) - Name_ TA_ BISC 120L Final Exam, December...

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