P.G. DIPLOMA EXAMINATION, MAY 2011.
Biotechnology
Paper I — MICROBIOLOGY AND IMMUNOLOGY
Time : Three hours Maximum : 100 marks
Answer any FIVE questions.
All questions carry equal marks.
1. Describe the morphology and ultrastructure of
bacteria and compare with virus.
2. Write an account on the general characters of
mycoplasma and archaebacteria.
3. Describe the mode of nutrition in bacteria.
4. Describe how the gene transfer mechanisms takes
place in bacteria.
5. Write an account of the role of microorganisms in
carbon cycle.
6. Describe regulation of Nitrogenase and nif gene in
Nitrogen metabolism.
7. Describe the antigen and antibody interactions.2 (DBT 01)
8. Write an account on the types of immunity.
9. Describe Monoclonal antibody production.
10. What is autoimmunity? And describe the
production of vaccines and their applications
Biotechnology
Paper I — MICROBIOLOGY AND IMMUNOLOGY
Time : Three hours Maximum : 100 marks
Answer any FIVE questions.
All questions carry equal marks.
1. Describe the morphology and ultrastructure of
bacteria and compare with virus.
2. Write an account on the general characters of
mycoplasma and archaebacteria.
3. Describe the mode of nutrition in bacteria.
4. Describe how the gene transfer mechanisms takes
place in bacteria.
5. Write an account of the role of microorganisms in
carbon cycle.
6. Describe regulation of Nitrogenase and nif gene in
Nitrogen metabolism.
7. Describe the antigen and antibody interactions.2 (DBT 01)
8. Write an account on the types of immunity.
9. Describe Monoclonal antibody production.
10. What is autoimmunity? And describe the
production of vaccines and their applications
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