Sample exams I fall 2005

Sample exams I fall 2005 - BIOL 51-Principles of...

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1 BIOL 51-Principles of Biology/K.Land Name ___________________________________ Exam 1 – Version A - September 16, 2005 Read each question carefully and pick the one BEST choice for each question. Indicate your choice on the scantron sheet. Each multiple choice question is worth 2 points. 1) In order to understand the chemical basis of inheritance, one must understand the molecular structure of DNA. This is an example of the application of ________ to the study of biology. A) evolution B) emergent properties C) reductionism D) the cell theory E) feedback regulation 2) Species that are in the same ________ are more closely related than species that are only in the same ________. A) phylum; class B) family; order C) class; order D) family; genus E) kingdom; phylum 3) A water sample from a hot thermal vent contained a single-celled organism that lacked a nucleus. What is its most likely classification? A) domain Eukarya B) domain Archaea C) kingdom Animalia D) kingdom Protista E) kingdom Fungi 4) According to Charles Darwin, organisms of a particular species are adapted to their environment when they A) possess non-inheritable traits that enhance their survival in the local environment. B) possess non-inheritable traits that enhance their reproductive success in the local environment. C) possess non-inheritable traits that enhance their survival and reproductive success in the local environment. D) possess inheritable traits that enhance their survival and reproductive success in the local environment. E) possess inheritable traits that decrease their survival and reproductive success in the local environment.
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2 5) Which of the following is (are) true of natural selection? A) requires genetic variation B) results in descent with modification C) involves differential reproductive success D) B and C only E) A, B, and C 6) Which of these individuals is most likely to be successful in an evolutionary sense? A) a reproductively sterile individual who never falls ill B) an organism that dies after 5 days of life but leaves 10 offspring, all of whom survive to reproduce C) a male who mates with 20 females and fathers 1 offspring D) an organism that lives 100 years and leaves 2 offspring, both of whom survive to reproduce E) a female who mates with 20 males and produces 1 offspring 7) In a hypothetical world, every 50 years people over 6 feet tall are eliminated from the population. Based on your knowledge of natural selection, you would predict that the average height of the human population will A) remain unchanged. B) gradually decline. C) rapidly decline. D) gradually increase. E) rapidly increase. 8) Which statement about natural selection is most correct? A) Adaptations beneficial in one habitat should generally be beneficial in all other
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Sample exams I fall 2005 - BIOL 51-Principles of...

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