BSc Biotechnology Sem V 2017 18 2017-18 Biotech IV Industrial Biotech Question Paper - Mumbai University | munotes

Questions asked in this paper

1. Q2 All questions carry equal marks
2. Q1 (A) directed (Any Three) 3 marks
   • (i) Name a fermentor used for production of vinegar
   • (ii) What do you mean by height to diameter ratio ?
   • (ii) Explain the term "in line sensor"
   • (iv) Define perfusion cultures
   • (v) Fill in the blank are semiconductors made from specific mixtures of pure oxides of iron , nickel and other metals
   • (vi) Name any one gauge used to measure pressure
   • (B) Attempt the following (Any Two) 12
   • (i) State any two devices used to measure pressure in a fermentation process
   • (ii) can you measure and control inlet and exit gas ?
   • (iii) Explain structure and working of an outer loop airlift fermentor
   • (iv) Elaborate on the construction principle and working of a deep jet
3. Q2 (A) Explain the following terms (Any Three) 3 marks
   • (i) Primary Screening
   • (v) Scale-down
   • (B) Answer the following (Any Two) 12
   • (i) Elaborate on secondary screening
   • (ii) Explain inoculum development programme for the vitamin B,, producer
   • (iii) Discuss major factors involved in scale-up
   • (iv) Give an account of the methods used for screening of antibiotic producers from soil
4. Q3 (A) Give significance of importance of (Any Three) 3 marks
   • (i) Mashing
   • (v) Hops
   • (vi) Spawn
   • (B) Discuss the following (Any Two) 12
   • (ii) The production of Vinegar schematically
   • (iii) The fermentation and recovery of Citric acid
   • (iv) The production of Penicillin G
5. Q4 (A) State the role function of the following in product recovery (Any Three) 3 marks
   • (i) Crystallization
   • (v) Ultrafiltration
   • (vi) Collectors
   • (B) Give an account of the following with respect to downstream processing 12
   • (i) Two types of centrifugation techniques
   • (ii) Drying
   • (iv) Any two chemical cell disruption methods
6. Q5 Write short notes on following (Any Three) 15 marks
   • (i) Working of a tower fermentor
   • (ii) Measurement of biomass
   • (iii) Criteria for the transfer of inoculum
   • (iv) Spoilage in Beer
   • (v) Chromatography in product recovery
   • (vi) Foam separation in downstream processing

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