LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034 M.Sc. DEGREE EXAMINATION – BIO MEDICAL INSTRUMENTATION SECOND SEMESTER – APRIL 2006 DB 1 BI 2800 - MICROBIAL TECHNOLOGY Date & Time : 26-04-2006/9.00-12.00 Dept. No. Section -A Max. : 100 Marks 10 2 = 20 Answer all 1. Comment on biopesticides. 2. Explain the principles and uses of autoclaves. 3. What is meant by biosensors? 4. Characterize aerobic fermentation. 5. What are biopolymers? 6. Explain the term bioreactor. 7. What do you know about rhizobium. 8. Mention the type of virus used to control insects. 9. Write down the role of pectinases. 10. Differentiate Thermophilic and Psychrophillic microbes. Section -B Answer any 4 4 10 = 40 11. Write notes on basic design and construction of fermentor. 12. Briefly describe lactic and acetic acid bio-production. 13. Explain the bio-production of amino acids. 14. Evolve a methodology for the bioproduction of alcoholic beverages. 15. Elaborate r DNA technology in relation to recombinant vaccines. 16. Compare and contrast aerobic fermentation with anaerobic. Section -C Answer any two 2 20 = 40 17. Discuss in detail types of reactors used in fermentation 18. Write an essay on biofertilizers. 19. Explain microbial enzyme production on a commercial scale. 20. Microbes are used in industrial production of vaccines and vitaminssubstantiate. _____________