B.Sc-B.Sc Biotechnology 1st Sem Microbiology and Mathematics, Statistics and Computers for Biologists(University of Pune, Pune-2013)

                                   F.Y. B.Sc. (Vocational)

                                                    BIOTECHNOLOGY - II

SEAT No. :

[Total No. of Pages : 3

Microbiology and Mathematics, Statistics and Computers for Biologists

(Paper - II) (2008 Pattern)

Time : 3 Hours]                                                                                                    [Max. Marks :80

Instructions to the candidates:

1) All questions are compulsory.

2) Draw neat labeled diagrams wherever necessary.

3) Figures to the right indicate full marks.

4) Use separate answer books for Section - I and Section - II.

SECTION - I

(Microbiology)

Q1) Answer the following:                                                                                             [8]

a)       What are obligate anaerobes? Give two examples.

b)       Explain mutualism.

c)       Enlist the ingredients of nutrient agar.

d)       Give the significance of MPN.

Q2) Answer any four of the following:                                                                   [16]

Describe Gram staining as differential staining.

Explain the five kingdom system of classification.

What is sterilization? Describe sterilization by radiation.

How are viruses classified?

Discuss the contributions of Louis Pasteur to microbiology.

P.T.O.

Q3) Answer any two of the following:                                                                    [16]

a)  What are the steps involved in coliforms testing? Describe the presumptive test.

b) Describe the replica plating technique for screening of mutants.

c) Describe differential media with examples.

SECTION - II

(Mathematics, Statistics and Computer for Biologists)

Q4) Answer the following questions in short:                                                        [8]

1. If f = x2 log(x2 + x.dx)

Evaluate lim3 (x-1)(x -9) . 2

b) x® x-3

c)       Make a list of devices of computer.

d)       Define mean. Give a formula to calculate mean.

Q5) Answer any four of the following:                                                                   [16]

a) Evaluate  ò0 e(3+2tanx) sec2 xdx p

a. If sin = 14 , then find cos , tan , sec and cosec .

⎧2x + 5 ;for x > 3

        If f (x) = ⎨ x + 2 ;for x£3 Find x®3

⎩

x

d)       What is correlation? Explain negative correlation with example.

e)       Calculate standard deviation for the given data series:

24,26,20,28,18,22,23,26,25,26,23,22,26,22,24,23,22,22,24.

[4317]-37                                                        2

Q6) Answer any two of the following:                                                                   [16]

¥

 ⎧        n +1⎫

a)

Find the limit of the sequence⎨ 2

⎪ n + 2 n + 2⎪n= 0

⎩                     ⎭

¥  ⎡⎛ 2⎞ n⎤

ii)  Discuss the convergence of the series nå0⎢⎜ 3⎟ + 2⎥.

b)  Evaluate

p

ò0 sin xcos xdx .

=⎢⎝                ⎠⎣

ii)  If y =⎛ x + 1⎞⎛ 5x2- 12⎞,  find dy /dy.

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