BSc Biotechnology Sem V 2016 17 2016-17 Biotechnology IV Industrial Biotech Question Paper - Mumbai University | munotes

Questions asked in this paper

1. Q1 a. Attempt the following (Any three) 3 marks
   • i) What is the aspect ratio for a tower fermenter?
   • ii) Which type of fermenters are used for long term culture of attached
   • iii) State one basic construction principle for gas entrainer nozzle in a deep
   • iv) State an advantage of using an airlift fermenter?
   • v) State an application of tower fermenter
   • vi) What is a packed bed fermenter used for?
2. Q1 b. Answer the following ( Any two) 12 marks
3. Q1 State the significance and methods of pH control in a fermenter = ii) Elaborate on the working and application of an airlift fermenter with an
   • iii) What is the significance of foam in a fermenter? How is it controlled?
   • iv) Diagrammatically explain the working of a bubble column fermenter g 2. a. directed ( Any three) 3 State any one criterion essential to be satisfied by a culture to be inoculated
   • ii) State one application of middle skimmings
   • iii) Define primary screening
   • iv) What is inoculum development? What does the scale up window define?
   • vi) What is pitching? 2 b. Answer the following (Any two) 12
   • i) Discuss the use of secondary screening in search for novel metabolites
   • ii) Elaborate on the various aspects to be considered in the context of scale
   • iii) Explain the development of inocula for mycelia processes
   • iv) Write a note on primary screening 3 a. Name them (any three)
   • i) Starter culture used in beer manufacture Inoculum in Streptomycin production
   • iii) Fungi used in Citric acid production
   • v) Precursor used in Penicillin production
   • vi) Inert support used in an acetator 3 b. Discuss (any two) 12
4. Q1 The production of red wine
   • ii) The fermentation of beta lactum antibiotic = iv) Mushroom as SCP 4 a. Give examples of (any three) 3
   • i) Salts used in recovery of proteins by precipitation
   • v) Detergents used in cell disruption
   • vi) Inorganic adsorbants used in Chromatography 4 4 b. Elaborate on (any two) 12
   • i). Any two types of continuous filters
   • ii) Cell aggregation and flocculation
   • iii) Cell disruption by liquid and solid shear
   • iv) Membrane processes in DSP Write short notes on (any three) 15
   • ii) Pressure measurement in a fermenter
   • iii) Inlet and exit gas analysis
   • v) Beer production

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