Practice_Prelim__1_2007 - Biological Sciences 009 Concepts...

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Unformatted text preview: Biological Sciences 009 Concepts of Biology Practice Prelim #1 Page 1 of 10 Fall 2007 Biology Learning Skills Center Concepts of Biology: Analysis, Enrichment, and Review Biological Sciences 009: Section for Non-Majors Allen D. MacNeill, Instructor Practice Prelim #1 Caution! There is only one correct answer per question! 1.1) Which of the following is a characteristic unique to living organisms? a) the ability to reproduce b) the ability to obtain and convert energy c) the ability to respond actively to changes in one's surroundings d) the ability to maintain a constant internal state (i.e. homeostasis) e) none of these are unique to living organisms 1.2) A scientist is interested in the effects of salt water on the growth of plants. Which of the following is a testable hypothesis that s/he might formulate? a) Salt water inhibits plant growth b) Salt water stimulates plant growth c) Salt water has no effect on plant growth d) Salt water cannot affect plant growth e) all except (d) are testable hypotheses 1.3) In an experimental test of the hypothesis described above, which of the following is the most appropriate control that s/he might use? a) Adding increasing amounts of salt to the water applied to one group of plants b) Adding large amounts of salt to the water applied to a large group of plants c) Applying only water to one group of plants, and water plus salt to a comparable group d) Applying only water to one plant, and water plus salt to another plant e) Adding salt to the water applied to a plant and measuring its growth 1.4) Which of the following is the best description of a scientific theory ? a) A tentative guess about the cause of an observable phenomenon b) A statement about an observable phenomenon which is accepted as absolutely true c) A hypothesis that has been repeatedly tested and has not yet been found to be inconsistent with observed results d) A hypothesis that has yet to be exhaustively tested e) none of the above are correct 1.5) Which of the following is the most inclusive level of biological organization? a) ecosystem b) community c) population d) multicellular organism e) cell Biological Sciences 009 Concepts of Biology Practice Prelim #1 Page 2 of 10 1.6) Which of the following is the correct scientific name of the eastern timber rattlesnake?...
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Practice_Prelim__1_2007 - Biological Sciences 009 Concepts...

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