7a103-mt----general & Industrial Microbiology

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Code No: 7A103/MT M.Tech. – I Semester Supplementary Examinations, September, 2008 GENERAL & INDUSTRIAL MICROBIOLOGY (Biotechnology) Time: 3hours

1.a) b)

Max. Marks:60

Answer any FIVE questions All questions carry equal marks --Differences between synthetic and complex media. Describe different methods available for isolation of pure culture. High light the advantages and disadvantages of each method.

2.

Describe different sterilization methods used to maintain sterility of an operation theatre in a hospital?

3.

Define Bacterial growth? What are the different factors influence bacterial growth?

4.

Write (a) (b) (c)

5.a)

Describe the mechanism of action of Lysozyme and penicillin on the cell wall of a gram ‘+’ bacterium? Explain the Mode of action of streptomycin in detail.

b)

short notes on the following: Solid state fermentation Chemostat Single cell protein.

6.

What are recombinant proteins? Describe the biological production of r-DNA protein with one example?

7.

Write (a) (b) (c)

8.

What are the different steps involved in the production of Beer and Wine?

short notes on the discoveries of following scientists. Antony Van Leeuwenhoek Louis Pasteur Robert Koch

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