Midterm1_MM_2011_ans - BIO 1130MM - Midterm Examination –...

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Unformatted text preview: BIO 1130MM - Midterm Examination – October 1, 2011 Multiple choice questions - Place your answers on the answer sheet BIO 1130MM An introduction to Organismal biology Midterm examination Worth either 15% or 20% of your final grade Saturday, October 1, 2011 Part A: Multiple choice questions 20 points (1 point/question) a) Fill in the bubbles for your name and student number and BIO1130MM for the course code. Fill in the same information in text in the boxes above the bubbles. b) Use only a pencil to fill in the answer sheet. If you erase a question be sure to erase all of the pencil mark. Don’t place any marks anywhere on the sheet other than where the bubbles are for personal information or your answers. c) Do not place any answers on the question sheet. d) This is not an open book exam. e) CAUTION to minimize paper waste this part of the exam has been printed back to back NOTE: If you do not fill in the student number and course code as BIO1130MM it will be impossible to identify your answer sheet and you will receive a ZERO for this part of the exam Page 1 of 4 BIO 1130MM - Midterm Examination – October 1, 2011 Multiple choice questions - Place your answers on the answer sheet MM.1 Scientists believe that mitochondria may have evolved from ancient bacteria because X a. both have their own DNA and ribosomes b. both are surrounded by a cell wall c. both have five chromosomes d. both have cristae to increase surface area e. the shapes and size of both are exactly the same MM.2 Comparative anatomy is widely used for taxonomic classifications because a. they are always the exact phenotypic expression of genotypes. b. they are the most likely to represent reproductive isolation among groups. X c. they are easy to assess in living, preserved, or fossilized specimens. d. they are the most likely indicators of evolutionary relationships. MM.3 What gives rise to the cohesiveness of water molecules? a. ionic bonds X b. hydrogen bonds c. hydrophobic interactions d. nonpolar covalent bonds e. both hydrophobic interactions and ionic bonds MM.4 Our sun is an out of control nuclear fusion reactor that is converting hydrogen into what element a. Carbon X b. Helium c. Carbon d. Nitrogen MM.5 Three of the four people below influenced Darwin's writing of the book On the Origin of Species by Means of Natural Selection. Select the exception. a. Charles Lyell b. Alfred Russel Wallace X c. Gregor Mendel d. Erasmus Darwin MM.6 This Greek philosopher published 10 books in plant biology in which he classified the plants using differences in reproductive anatomy. a. Socrates b. Plato X c. Theophrastus d. Hippocrates MM.7 What is the importance of the Miller-Urey experiment? a. It showed that molecules crucial to life could be produced biotically. b. It showed that unimportant molecules could be produced abiotically. X c. It showed that molecules crucial to life could be produced abiotically. d. It showed that unimportant molecules could be produced biotically. Page 2 of 4 BIO 1130MM - Midterm Examination – October 1, 2011 Multiple choice questions - Place your answers on the answer sheet MM.8 The Muslim scholar Avicenna is best known for his biological work on: a. A list of plants with descriptions of each plant's life cycle b. A list of plants that included a pharmaceutical index of their importance - it was in use until the late 18th century X c. His book the canon of medicine that integrated the works of Greek, Indian and Muslim physicians d. Introduction of the scientific method MM.9 For Darwin this was an important criteria for determining whether organisms were closely related to each other. a. The presence of homoplasic characters X b. The presence of homologous characters c. The number of convergent characters d. The inheritance of aquired characters MM.10 The Black Plague caused the end of a. The late middle ages b. The renaissance c. The early middle ages X d. The high middle ages MM.11 Which one of the following predictions follows from the sexual selection hypothesis for why giraffes have long necks? X a. In contests over females, the male with the longest neck should have an advantage over the other males. b. Young males that are given extra amounts of high-quality food should grow particularly long, strong necks. c. In contests over females, the best-nourished male should always, or almost always, win. d. In natural populations, female neck length should decline over time. MM.12 The majority of a cell’s vital activities occur in. a. organelles b. the mitochondria c. the plasma membrane d. the nucleus X e. the cytoplasm MM.13 Which of the following taxa were not in Linneaus’s origin taxonomy? a. Order X b. Family c. Class d. Kingdom e. Phylum Page 3 of 4 BIO 1130MM - Midterm Examination – October 1, 2011 Multiple choice questions - Place your answers on the answer sheet MM.14 Which of the following contains hydrolytic enzymes? a. peroxisome b. vacuole c. mitochondrion d. Golgi apparatus X e. lysosome MM.15 You sequence the genes that code for an important glycolytic enzyme in a moth, a mushroom, a worm, and an alga and find a high degree of sequence similarity among these distantly related species. This is an example of: a. Genetic homology X b. Structural homology c. Analogy/convergent evolution d. Developmental homology MM.16 The recent transition fossil, Puijia darwini, found in the Canadian north is an important transition fossil because it demonstrates which of the following transitions? a. Marine to terrestrial b. Freshwater to terrestrial X c. Terrestrial to water d. Terrestrial to air MM.17 Why is it important that an experiment include a control group? X a. Without a control group, there is no basis for knowing if a particular result is due to the variable being tested or to some other factor. b. The control group is the group that the researcher is in control of; it is the group in which the researcher predetermines the nature of the results. c. The control group provides a reserve of experimental subjects. d. A control group assures that an experiment will be repeatable. e. A control group is required for the development of an "if, then" statement MM.18 Which of the following is the correct typographic presentation for the genus species name for the Canadian Beaver? a. castor Canadensis b. Castor Canadensis c. Castor canadensis X d. Castor canadensis MM.19 Which of the following taxon categories has the highest number of species in it? a. Genus b. Family c. Order X d. Phylum MM.20 Which of the following pairs of traits are homologous? a. butterfly wings and bat wings X b. the bones of bird and bat wings c. the surface areas of bird and bat wings d. butterfly wings and bird wings e. the cytoplasm Page 4 of 4 ...
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