Jaipur National University 2011-4th Sem B.Tech Biotechnology School of engineering & technology end MICROBIOLOGY - Question Paper

Jaipur national university,Jaipur
B.tech.-Biotechnology
4th semester end exam may -2011
Microbiology
time-3hours
max marks-70
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.[marks14]
or
Write short notes on:
a.Whittaker's 5 kingdom concept.[marks5]
b.Classical and numerical taxonomy.[marks5]
c.Mycoplasma.[marks4]

Q2.Give a detailed account of the folllowing and ultrastructure of bacteria.[marks14]
or
write notes on:
a.Flagella.[marks7]
b.Bacterial Spores/Endospore.[marks7]

Q3.What are plasmids? discuss the various kinds of plasmids in detail..[marks14]
or
Write short notes on:
a.Batch culture of microbes.[marks7]
b.What is the effect of temperature.pH and oxygen concentration on the growth of microbes? [marks7]

unit-4
Q4.discuss the production of secondary metabolites and their applications in industry.[marks14]
or
write notes on :
a.Heterotrophs.[marks7]
b.Selective culture techniques for microorganisms.[marks7]

unit-5
Q5.Discuss spoilage and preservation of food in detail.[marks14]
or
Write notes on:
a.Biofertilizer.[marks7]
b.Biopesticide.[marks7]

Earning:   Approval pending.