Andhra University 2007 B.Sc Microbiology - Question Paper

March 2000
BS - 127
Part II - Microbiology
Paper I - General Microbiology
Time: three hrs
Maximum Marks: 100 m

part - A
2 X 12.5 = 25 m

ans ALL ques.
1. Write a detailed account on the recent patterns in the classification of bacteria
2. explain different phases of microbial growth and methods for quantitative measurement of growth

part - B
6 X five = 30 m

3. Write briefly on any 6 of the following:
(a) Louis Pasteur and Walksman
(b) Electron Microscope
(c) Life Cycle of Bacteriophage
(d) Properties and classification of viruses
(e) Methods for maintenance and preservation of microbes.
(f) Differential staining methods of bacteria
(g) Cultivation and replication of viruses
(h) Reductase and Phosphatase tests.

part - C
3 X 15 = 45 m
4. (a) Procaryotic and eucaryotic cell structures
(a) Structure, Morphology and reproduction of Protozoa and algae.
5. (a) Autotrophs vs Heterortophs
(b) Importance of pure cultures and isolation methods.
6. (a) Physical and Chemical methods of sterilization
(b) Detection of Coliform groups in Water.
7. (a) Sources of microbes in milk and microbiological exam of milk.
(b) Physical conditions needed for bacterial growth.

Earning:   Approval pending.