Jaipur National University School of engineering & technology B.tech biotechnology 4th semester end examination may 2011 Dairy technology model question papers



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Posted Date: 27 Jul 2011      Posted By:: anand kumar    Member Level: Silver  Points: 5 (₹ 1)

2011 Jaipur National University B.Tech. Biotechnology School of engineering & technology B.tech biotechnology 4th semester end examination may 2011 Dairy technology Question paper



Course: B.Tech. Biotechnology   University/board: Jaipur National University





Jaipur national university,Jaipur
B.tech.-Biotechnology
4th semester end examination may -2011
Dairy technology
time-3hours
max marks-70
Attempt five questions selecting one from every unit.
all question carry equal marks

unit-1

Q1.give the definitions of milk,toned milk and double toned milk as per the PFA rules.discuss in details the composition value of market milk and the factors affecting it.also discuss the nutritional importance of milk in human diet.[marks14]
or
a.Discuss the physiochemical properties of milk.[marks7]
b.Define the terms in details "milk secretion and lactation".[marks7]

unit-2

Q2.What is the importance of microbiology in Dairy technology?Discuss various value added conversions possible and the relevant microbes involved for these conversions of milk.[marks14]
or
a.Describe the auto oxidation of milk fats and its effect on quality of milk.[marks7]
b.Explain the hydrolytic rancidity in milk and milk products.[marks7]

unit-3

Q3.Define pasteurization of milk.enlist the various methods of pasteurization.give the datailed working principle of low temperature long time (LTLT) pasturization.[marks14]
or
write detailed short notes on:-
a.Sterilization of milk.[marks7]
b.Homogenization of milk.[marks7]

unit-4

Q4.Explain the manufacturing process with a detailed flowchart of the following milk products:
a.Cheese.[marks7]
b.Cream.[marks7]
or
writs about:
a.Butter.[marks7]
b.Dried milk.[marks7]

unit-5

Q5.Explain the methodology of cleaning and sanitization of dairy equipment and why it is so important.[marks14]
or
Write detailed notes on:-
a.Adulteration of milk.[marks7]
b.Dairy waste disposal .[marks7]





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