Practice_Prelim_2_2007 - Biological Sciences 009 Concepts...

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Biological Sciences 009                    Concepts of Biology                       Practice Prelim #1                    Page 1 of 8 Fall 2007 Biology Learning Skills Center Concepts of Biology: Analysis, Enrichment, and Review Biological Sciences 009: Section for Non-Biology Majors Allen D. MacNeill, Instructor Practice Prelim #2 Caution! There is only one correct answer per question! For question 2.1, please refer to the diagram, below: 2.1) Which of the following taxa would be appropriately located at the branch labeled *? …… a) Amphibia …… b) Reptilia …… c) Chondrichthyes …… d) Chordata …… e) Vertebrata 2.2) Amniotic eggs (or an amnion) are part of the development of all of the following except …… a) amphibians …… b) reptiles …… c) birds …… d) monotremes …… e) mammals 2.3) Mammals differ from other vertebrates in all of the following except ... …… a) mammals have fur …… b) mammals have mammary glands …… c) most mammals give birth to live young (i.e. they don’t lay eggs) …… d) most mammals have a bony, segmented spinal column …… e) both c and d are correct 2.4) Which of these groups of mammals is the most derived ( i.e. changed from the ancestral type)? …… a) bats …… b) insectivores …… c) rodents …… d) odd-toed ungulates (perissodactyls) …… e) whales and porpoises (cetaceans)
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Biological Sciences 009                    Concepts of Biology                       Practice Prelim #1                    Page 2 of 8 2.5) Which of the following groups of mammals is the most diverse ( i.e. has the largest number of species adapted to the most diverse habitats)? …… a) bats …… b) insectivores …… c) rodents …… d) even-toed ungulates (artiodactyls) …… e) primates 2.6) Which of the following statements about DNA (deoxyribonucleic acid) is false ? …… a) the DNA of eukaryotes is enclosed within the nucleus …… b) DNA is composed of two strands of polymerized nucleotides …… c) eukaryotic DNA is linear …… d) prokaryotic DNA is circular …… e) there is usually only one gene per DNA molecule 2.7) Which of the following phases of the eukaryotic cell cycle can be skipped by a dividing cell? …… a) G1 …… b) S …… c) G2 …… d) M …… e) prophase 2.8) Which of the following is a brief description of the events that happen during anaphase of mitosis? …… a) the nuclear membrane disintegrates, chromosomes condense, and spindle fibers begin to form …… b) the spindle fibers pull the chromosomes into the center of the cell …… c) the spindle fibers shorten, splitting the centromeres and separating sister chromatids …… d) the nuclear membrane reforms, the chromosomes unravel, and the spindle fibers disintegrate
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Practice_Prelim_2_2007 - Biological Sciences 009 Concepts...

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