UT BIO 364 - Exam 1_example (9 pages)

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Exam 1_example



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Exam 1_example

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Pages:
9
School:
University of Texas at Austin
Course:
Bio 364 - Microbial Ecology

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BIO 364 Spring 2007 Exam 1 Name page 1 MULTIPLE CHOICE Select the option that best answers the question or statement 1 pt each 10 pts total 1 Martinus Beijernick was responsible for which of the following A Isolation of nitrifiying bacteria for the first time B Hypothesis that all microorganisms are ubiquitous in nature C Development of the Winogradsky column D Identification of the central role of bacteria in element transformations E None of the above 2 Which of the following are NOT required for life to arise A Separation from the surrounding environment B RNA and DNA C Ability to replicate D All of the above E None of the above 3 Which of the following is the considered the most probable mechanism for the origin of life on earth A Spontaneous generation B RNA as the original macromolecule with both hereditary and catalytic functions C Primordial soup with clay as a catalyst D All of the above E None of the above 4 The only mechanism of evolution that can generate adaptation is A Mutation B Gene flow C Genetic drift D Natural selection E None of the above 5 Autotrophs are microbes that A Use light as an energy source B Use CO2 as a source of carbon C Use organic compounds as a source of carbon D Grow at high temperatures E None of the above 6 Population vital rates are A Growth density distribution carrying capacity B Exponential logistic discrete unregulated C Birth death immigration emigration D None of the above 7 Which of the following microbial populations would exhibit the most rapid growth A Paramecium aurelia r 1 2 generation time 0 5 B Paramecium caudatum r 0 9 generation time 0 5 C Escherichia coli r 2 0 generation time 0 01 D Bacillus subtilis r 2 0 generation time 10 0 BIO 364 Spring 2007 Exam 1 Name page 2 8 Stochastic population models differ from deterministic population models in that they A Can exactly predict the future population size based on current vital rates B Examine fates of individual organisms C Are based on a range of potential



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