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Pune University - FY BSc BIOTECHNOLOGY (Vocational), April 2010

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Total No. of Questions : 6] P214 [Total No. of Pages : 3 [3717] - 37 F.Y. B.Sc. BIOTECHNOLOGY (Vocational) Microbiology and Mathematics, Statistics and Computer for Biologist (Paper - II) (New Course) Time : 3 Hours] Instructions to the candidates : 1) All questions are compulsory. 2) Draw neat labelled diagrams wherever necessary. 3) Figures to the right indicate full marks. 4) Use seperate answer books for Section I and II. [Max. Marks : 80 SECTION - I (Microbiology) Q1) Answer the following questions in short : [16] a) What is selective and differential media. Give example. b) Describe moist heat sterilization. c) Enlist Koch s postulates. d) What is a Viroid? What kinds of diseases do Viroides cause? e) What is axenic culture? What are two basic steps involved in obtaining it? f) Give the important features of Fungi. g) Enlist the steps involved in acid fast staining technique. h) What is commensalism? Give example. Q2) Attempt any four questions : [16] a) Write short notes on : i) Pone plate technique. ii) Heat sterilization. b) Diagramatically show the steps involved in the test for coliforms. Describe presumptive test. c) Write short notes on : i) Mutualism. ii) Amensalism. P.T.O. d) e) For each of the following give the mode of action to kill microbes and give examples of its use i) Hydrogen peroxide. ii) Alcohols. Discuss the process of filteration in brief. Q3) Attempt any two questions : [8] a) In detail describe Gram staining technique. b) What was the controversy over spontaneous generation? c) Enlist the factors involved in establishing the pathogenicity by the pathogen. SECTION - II (Mathematics, Statistics and Computer for Biologist) Q4) Attempt each of the following : [8] 5 2 dy . dx a) If y = 2 x cos x + e x + 7 , find b) Evaluate ( 2 x + 5)( x 2 + 5 x + 3) 2 dx . c) Define Binomial distribution. d) Define standard deviation. Q5) Attempt any four of the following : a) dy ex + e x If y = x . x , find dx e e b) Evaluate c) Discuss the convergence of the series [16] 1 1 + sin x dx . 1 3n + 1 . n =1 d) Describe the test for goodness of fit with suitable example. e) What is type-I and type-II error? f) What is RAM and ROM? [3717] -37 2 Q6) Attempt any two of the following : [16] c) Evaluate lim i) If y = ii) b) i) ii) a) x3 dx . Evaluate 1+ x A number of five different digits is to be formed with the help of the digits 1, 2, 3, 4, 5, 6, 8 in all possible ways. How many such numbers can be formed? x 5 x 3 125 . x 2 25 1 dy , find . 2x + 3 2x 3 dx Draw histogram and frequency polygon to present following data Income (Rs.) 100 - 149 02 150 - 199 04 200 - 249 11 250 - 299 15 300 - 349 25 350 - 399 18 400 - 449 15 450 - 499 d) No. of individuals 04 Arrange the given data in ascending order. Calculate mean, mode, median and standard deviation. 14, 15, 13, 12, 11, 14, 10, 13, 14, 15, 16, 12, 13, 14. [3717] -37 3

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Additional Info : F.Y. B.Sc. BIOTECHNOLOGY (Vocational)Microbiology and Mathematics, Statistics and Computer for Biologist (Paper - II) (New Course), Pune University
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