Survey
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
MAHATMA GANDHI UNIVERSITY FOURTH SEMESTER B.Sc ZOOLOGY MODEL II (PROGRAMME) ZF4V08U. Vocational subject: Food Microbiology. Course 8- INDUSTRIAL MICROBIOLOGY (course code & course title). Total weightage: 25 Instructions: 1. Time allotted for the examination is 3 Hours 2. Answer all questions in part A. This contains 4 bunches of 4 objective type questions. For each bunch, Grade A will be awarded if all the four answers are correct, B for 3, C for 2, D for1, and E for 0. Answer any 5 questions from part B, any 4 from part C and any 2 from part D. 3. Candidates can use …………. (Type of calculator/tables). Time:3hrs Part A (Objective type. Weightage 1 each for a bunch of four) 1 Detection and isolation of high yielding species of microorganisms from natural sources for industrial use is …….. a)Screening b)Lyphilization c)Subculturing d)Plating 2 The simplest screening method used for detecting and isolating antibiotic producers is called ……. a)Crowded plate technique b)Auxanography c)Enrichment culture technique d)Plating technique 3 The screening method employed for detecting microorganisms able to produce growth factors like amino acids and vitamins extracellularly is ….. a)Plating technique b)Auxanography c)Crowded plate technique d)Enrichment culture technique 4 Which of the following is a long term culture preservation method? a)Lyophilization b)Refrigeration c)Serial subculturing d)Stabing 5 The temperature of liquid nitrogen is a)-196oC b b)196oC c)-78oC d) -5oC 6 Aerating device used in fermenters a.Agitation b b.sparger c.Ampeller d.Filter 7 Microbial products related to the synthesis of microbial cell during balanced growth is ……. a.Secondary metabolite b.Primary metabolite c.Metabolites d.None of the above 8. ….. usually accumulate during the period of nutrient limitation or waste product accumulation that follows the active growth phase. a.Primary metabolites b.Secondary metabolites c.Metabolites d.None of the above 9 Industrial production of glutamic acid is carried out using ……. a.Corynebacterium glutamicum b.Aspergillus flavus c.Geotrichum candium d.Saccharomyces cerviceae 10 Penicillium is discovered by a.Edward Jenner b.Alexander Fleming c.Louis Pasteur d.Robert Koch 11 Commercial bacterial amylases are produced using….. a.Bacillus spp b.Staphylococcus spp c.Clostridium spp d.Pseudomonas spp 12 Which one of the following is a top fermenter yeast ? a.Saccharomyces cerviceae b.earlsbergenesis c.Candida d.Torulopsis 13 Bacterial soft rot of vegetable is caused by ……… a.Erwinia spp b.Staphylococcus c.Rhizopus d.Aspergillus 14 The enzyme used for cutting the ds DNA at a particular site is called ….. a.Restriction b.endonucleases c.exonucleases d.endonuclease 15 Introduction of a phage hybrid DNA in to a host cell is called…….. a.Transfection b.Transduction c.Conjugation d.Transformation 16 Name the chemical suture used in rDNA technology a.Translocase b.Ligase c.Transferase d.None of the above Part B (Short answer type questions -Weight 1 each. Answer any 5.) 17. Defien lyophilization 18. What is serial sub culturing? 19. What is fermentation? 20. Name the microbe used for producing Lysine. 21. What is homofermentaion? Give one example 22. Mention the scope of industrial microbiology. 23. Elaborate the experiments of Pasteur 24. What is biotechnology? Part C (Short essay – weight 2 each. Answer any four) 25. What are metabolites ? Write notes on primary and secondary metabolites. 26. Elucidate the method of production of any antibiotic 27. Explain the method of production of lactic acid 28. Briefly describe the discovery of anaerobic life. 29. Describe the recent developments in industrial microbiology. 30. Briefly describe the process of fermentation technology Part D (Essay type – weight 4 each. Answer any two ) 31. Describe in detail the industrial production of acetic acid. 32. Describe the various methods for the storage of industrially important microbes 33. Describe the industrial production of vitamins.