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Old April 22nd, 2016, 03:19 PM
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Default Jaipur National University Previous Years Question Papers

Hello sir, I’m student of Jaipur National University and my brother is too. We want some previous year question papers from Jaipur National University. Can any one here provide me some previous year question papers from Jaipur National University?
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  #2  
Old April 22nd, 2016, 03:19 PM
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Join Date: Nov 2011
Default Re: Jaipur National University Previous Years Question Papers

Here I’m giving you some questions for B.tech.-Biotechnology from Jaipur national university:

Jaipur National University, Jaipur
B.tech.-Biotechnology
4th semester end exam
Microbiology

Attempt 5 ques. selecting 1 from every unit. all ques. carry equal marks

Unit-1

Q1.Describe the experiments of Louis Pasteur.give a detailed ammount of the characteristics of algae.fungi and protozoa.
or
Write short notes on:
a.Whittaker's 5 kingdom concept.
b.Classical and numerical taxonomy.
c.Mycoplasma.

Q2.Give a detailed account of the folllowing and ultrastructure of bacteria.
or
write notes on:
a.Flagella.
b.Bacterial Spores/Endospore.

Q3.What are plasmids? discuss the various kinds of plasmids in detail..
or
Write short notes on:
a.Batch culture of microbes.
b.What is the effect of temperature.pH and oxygen concentration on the growth of microbes?

Unit-4
Q4.discuss the production of secondary metabolites and their applications in industry.
or
write notes on :
a.Heterotrophs.
b.Selective culture techniques for microorganisms.

Unit-5
Q5.Discuss spoilage and preservation of food in detail.
or
Write notes on:
a.Biofertilizer.
b.Biopesticide.

question paper:
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 explain the nutritional importance of milk in human diet.
or
a.Discuss the physiochemical properties of milk.
b.Define the terms in details "milk secretion and lactation".

unit-2

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

unit-3

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

unit-4

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

unit-5

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

Address:

Jaipur National University
Jaipur-Agra Bypass
Near New RTO office
Jagatpura
Jaipur-302017
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