Thapar University 2007 M.Sc BioTechnology agriculture and industrial - Question Paper
THAPAR UNIVERSITY
Department of biotechnology& Enviornmental sciences
End semester exam (Sem2, 2006-2007), MSc Biotechnology(1)
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Department of Biotechnology and Environmental Sciences Thapar University: Patiala End Semester Examination BH-011 (Agricultural & Industrial Microbiology)
20.5.2007 (9.00 A.M)
Time: 3 hr MM: 16
1 A Name the organism and discuss the biochemical reaction and process
involved in the production of any two of the following: a) vinegar, b) cheese, c) yoghurt.
B Discuss any two human therapeutic proteins, their source and application.
C What is biofucl? Explain how they are derived and what are their advantages?
D Name any two bacteria used for the production of compounds that inhibit cell wall synthesis?
E Name any two enzymes their source and applications that are produced on an industrial scale.
OR
Name any four organic acids their source and uses.
2 A In wine manufacturing what is meant by sulfiting and why it is done?
What is the temperature at which fermentation is carried out and why?
B Differentiate between white wine, red wine, champagne and brandy?
C Differentiate between lager beer and ales beer with respcct to process and raw materials?
D What is matting? Explain.
E In spontaneous fermentation of grape must what is the source of yeasts?
F What do you understand by maturing of wine? What changes takes place and how it is done?
3 A What are non-ribosomal proteins? Give example of peptides and
polyketides and their source?
B What are NRPS and PKS systems and how they can produce a large variety of different compounds of clinical applications?
C How can pyruvic acid be utilized in the process of fermentation?
OR
Can microorganisms be used as insecticides? Justify.
4 A How can you isolate and identify plant growth promoting rhizobacteria
from soil?
B What is rapid composting? Explain.
C Differentiate between primary and secondary metabolite by giving examples?
5 A What are the properties of an overproduction media used in industrial scale
culturing of microorganisms?
B What are edible mushrooms? Give examples and what are the raw materials required for their production on commercial scale?
C What is SCP? Give examples.
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| Earning: Approval pending. |
