Bangalore University B.Sc Biotechnology VI Semester Examination June 2008 Question paper

Industrial Microbiology and Microbial Technology

Time:3hours Max. Marks 60

Instruction:

1)Answer all questions
2)Draw diagram where necessary
3)Answer should be written completely either in english or kannada

I.Answer the following 5x2=10
1)Aeration
2)Baker's Yeast
3)HPLC
4)Chelators(EDTA)
5)Malt

II.Answer any four of the following 5x4=20
6)Explain with a neat diagram stirred aerated fermenter.
7)Give an account of amylase production.
8)List out the properties of an ideal antifoam agent.
9)Describe the different types of natural media.
10)Explain the methods of purification of compounds by column chromatography

III.Answer any three of the following 3x10=30
11)Explain the industrial production of human insulin.
12)What are biofuels? Describe the construction and working principle of bio-gas plant.
13)What are bacterial pesticides?Explain their mode of action.
14)Explain the various methods involved in strain improvement.
15)Describe the different steps involved in the recovery of fermentation products.