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Pune University - Evolution, Ecology and Environmental Microbiology, April 2010

2 pages, 16 questions, 0 questions with responses, 0 total responses,    0    0
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Total No. of Questions : 5] [Total No. of Pages : 2 P1010 [3725] - 202 M.Sc. MICROBIOLOGY MB - 602 : Evolution, Ecology and Environmental Microbiology (2008 Pattern) Time : 3 Hours] [Max. Marks : 80 Instructions to the candidates: 1) All questions are compulsory. 2) All questions carry equal marks. 3) Draw neat labeled diagrams wherever necessary. 4) Figures to the right indicate full marks. 5) Use of logarithmic tables, electronic pocket calculator is allowed. 6) Assume suitable data, if necessary. Q1) Attempt any one of the following : [16] a) Explain how a malfunctioning settler-clarifier can adversely affect the efficiency of an activated sludge process. Give relevant equations for mass balance in explaining the feature. b) Discuss the evolutionary stability of cooperation among microorganisms. Explain with suitable examples how the cooperative and competitive interactions influence this stability. Q2) Attempt any two of the following : [16] a) Describe the advantages and disadvantages of various granular medium filters used for wastewater treatment. b) Discuss the bacterial growth in the marine ecosystem and its regulation by environmental conditions. c) Discuss mycorrhizal associations with special reference to host-fungus specificity and interactions with non-host plants. P.T.O.

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Additional Info : M.Sc. MICROBIOLOGY, MB - 602 : Evolution, Ecology and Environmental Microbiology (2008 Pattern), Pune University
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