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Pune University - FY BSc MICROBIOLOGY - I, April 2010

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Total No. of Questions : 5] P195 [Total No. of Pages : 2 [3717] - 17 F.Y. B.Sc. MICROBIOLOGY Introduction to Microbiology (Paper - I) (2008 Pattern) (New Course) Time : 3 Hours] Instructions to the candidates: 1) All questions are compulsory. 2) Draw neat labelled diagrams wherever necessary. 3) Figures in bracket indicates full marks. [Max. Marks : 80 Q1) Attempt the following : [16] a) Define Viroids. b) Match the following : i) Paramoecium 1) Pseudopodia ii) Plasmodium 2) Cilia iii) Entamoeba 3) Flagella iv) Trypanosoma 4) Non-motile c) State true or false-Pili helps in the motility of bacteria. d) ______group of bacteria contain lipopolysaccharide (LPS) in their cell wall. i) Gm +Ve bacteria ii) Gm Ve bacteria iii) Staphylococcus iv) Bacillus e) ______are water insoluble biomolecules that are soluble in non-polar solvents. i) Carbohydrates ii) Lipids iii) Proteins iv) Nucleic acids. f) Electron spins around nucleus of an atom in a space called as_____ i) Electron Orbital ii) Electron Space iii) Molecular Space iv) Atomic Orbital g) The bond present between two amino acids is called as peptide bondstate true or false. h) Who is known as Father of Antiseptic Surgery ? P.T.O. Q2) Attempt any four of the following : [16] a) What are eubacteria and archaebacteria? b) Write a short note on Rickettsia . c) Explain covalent bond formation with suitable example. d) Write any four differences between prokaryotes and eukaryotes. e) Describe Redi s three jar experiment. f) Write in short about structure and features of TMV. Q3) Attempt any four of the following : [16] a) Write the contribution of Antomy van Leeuwenhoek in the discovery of microbial world. b) Write the significance of buffers in biology. c) Explain the structure of Penicillium. d) Write morphological and physiological characters of Staphylococcus. e) Write the functions of plasma membrane in bacterial cell. f) Draw the structure of bacterial endospore and give any two examples of endospore formers. Q4) Attempt any two of the following : [16] a) Draw neat labelled diagram representing life cycle of Plasmodium. b) With the help of a suitable diagram explain the structure of flagella in Gram negative bacteria. c) Describe the general characters of algae and give any four examples. d) Describe the work of Robert Koch and state Koch s postulates. Q5) Attempt any one of the following : [16] a) What are carbohydrates? Explain their classification with suitable examples and add a note on their biological functions. b) Describe the contribution of Louis Pasteur in the field of Microbiology. vvvv [3717]-17 2

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Additional Info : F.Y. BSc. MICROBIOLOGY : Introduction to MICROBIOLOGY (Paper - I) (2008 Pattern)(New Course), Pune University
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