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

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Total No. of Questions : 6] [Total No. of Pages : 3 P249 [3717] - 81 F.Y. B.Sc. BIOTECHNOLOGY Biochemistry, Mathematics and Computers (Vocational) (Old Course) Time : 3 Hours] [Max. Marks : 80 Instructions to the candidates: 1) All questions are compulsory. 2) Figures to the right indicate full marks. 3) Draw neat labelled diagrams wherever necessary. 4) Answers to the two sections should be written in separate answer books. SECTION - I Q1) Attempt the following questions in short : a) Enlist the factors affecting enzyme activity. b) What is reannealing? c) What are metaloenzymes? Give example. d) [8] Define hormones with example. Q2) Answer any four of the following : a) Differentiate between nucleoside and nucleotide. b) Give two structural differences between DNA and RNA. c) What is mutarotation? d) Why proline is called as unusual amino-acid. e) [16] What are triacylglycerols? Give their significance. P.T.O. Q3) Attempt any two of the following : [16] a) Discuss in brief the structure and function of DNA. b) Comment on the different forces that stabilize the tertiary structure of proteins. c) Define the terms Km and Vmax and give X s significance. SECTION - II Q4) Attempt the following : [8] a) If A = {x N / 3 < x < 9} and B = {x N / 6 x 10}, find A B and A B. b) If f(x) = c) If y = x4 + 2ex + 3, find d) Evaluate 3 + 5x x+3 ,y= , find f(y). 4x 5 4x 1 dy . dx x (1 + x)dx . Q5) Attempt any four of the following : [16] dy . dx a) If y = x2 cosx 4x4 tanx, find b) Evaluate c) 2 1 Find the coefficient of x7 in the expansion of x + . x d) Evaluate lim e) A bag contains 4 white, 5 black and 3 red balls. Two balls are drawn at random. Find the probability that one ball is red and other is white. f) Explain main units of computers. 1 1 + sin x dx . 11 x 2 [3717]-81 x2 5x + 6 . 2 x 7 x + 10 2 Q6) Attempt any two of the following : [16] c) 1 dx . Evaluate 4 x + 3 + 4x + 3 i) Solve ii) b) i) ii) a) e x + e x dy If y = x x , find . dx e e Prove that i) By using venn diagram verify log x log 27 = . log 2 log 9 log 27 + log 8 + log 1000 3 =. log120 2 A (B C) = (A B) (A C). ii) d) Two fair dice are thrown. Find the probability that the sum of the points is multiple of 5. i) Calculate the mean of the following frequency. Observations (x) 1 2 3 Frequency (f) ii) 0 8 20 36 24 12 Calculate the standard deviation of the following data : 55, 58, 60, 66, 71, 68, 63. vvvv [3717]-81 4 3

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Additional Info : F.Y. B.Sc. BIOTECHNOLOGY : Biochemistry, Mathematics and Computers (Vocational) (Old Course), Pune University
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