Afs2304:Food And Industry Microbiology Question Paper
Afs2304:Food And Industry Microbiology
Course:Bachelor Of Science In Food Science And Nutrition
Institution: Meru University Of Science And Technology question papers
Exam Year:2014
QUESTION ONE – (30 MARKS)
(a) Using diagram explain difference between upstream and downstream processing in fermentation process. (8 Marks) (b) State five applications of industrial microbiology. (5 Marks) (c) Briefly explain the difference between inhibition and killing principles employed in food preservation. (4 Marks) (d) State three classes of carrier molecules found in electron transport chain. (3 Marks) (e) Name any five medically important proteins produced by genetically engineered microorganisms and their uses.. (10 Marks)
QUESTION TWO – (20 MARKS)
Enzymes play a critical role in industrial processes. Using relevant examples discuss application of enzymes in food bioprocessing. (20 Marks)
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QUESTION THREE – (20 MARKS)
(a) Production of fermented foods involves organisms that are biochemically fermentative. Give examples of three products and respective micro-organisms involved in their production. (6 Marks) (b) Briefly discuss seven benefits of fermented foods and food products. (14 Marks)
QUESTION FOUR – (20 MARKS)
Food serves as growth medium for different kinds of micro-organisms. Discuss five important micro-organisms associated with food. (20 Marks)
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