Loyola College B.Sc. Plant Biology and Biotechnology April 2012 Fermentation Technology Question Paper PDF Download

LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

B.Sc. DEGREE EXAMINATION – PLANT BIOLOGY & PLANT BIO-TECH.

SIXTH SEMESTER – APRIL 2012

PB 6609/PB 6606 – FERMENTATION TECHNOLOGY

 

 

 

Date : 20-04-2012              Dept. No.                                        Max. : 100 Marks

Time : 1:00 – 4:00

 

PART – A

 

ANSWER THE FOLLOWING, EACH WITHIN 50 WORDS ONLY:                 (10 X 2=20 marks)

 

  1. Define fermentation.
  2.  What are secondary metabolites?
  3. What are the four phases of growth in fermentor?
  4. Define upstream processing.
  5. What are the functions of impeller in fermentor?
  6. Define sparger.
  7. What are steam traps?
  8. What is an online sensor?
  9. Comment on Trophophase and Idiophase.
  10. Write the principle of centrifugation.

 

PART – B

 

ANSWER THE FOLLOWING, EACH WITHIN 500 WORDS ONLY:

DRAW DIAGRAM WHEREVER NECESSARY:                                          (5 x 7 = 35 marks)

 

  1.  a) Write a general account on fermentation industries.

(or)

  1. b) Write short notes on transformation process.

 

  1.  a) What is fed batch fermentation?  Write explanatory notes on it.

(or)

  1. Describe the microbial growth kinetics in Continuous culture.

 

  1.  a) Write the Basic functions of a fermentor.

(or)

  1. b) Give an account on any two types of fermentor.

 

  1. a) Write about the measuring and controlling devices for monitoring of any four process

Variables.

(or)

  1. b) Write in short about the application of computers in fermentation.

 

 

 

 

  1. a) Give a detailed account on liquid-liquid extraction.

(or)

  1.  b) Schematically represent the process of down-stream processing.

 

 

PART – C

 

ANSWER ANY THREE OF THE FOLLOWING, EACH WITH 1200 WORDS:

DRAW DIAGRAM WHEREVER NECESSARY:                                                    (3X15=45 marks)

 

 

  1. Write an essay on range and component parts of a fermentation process.

 

  1.  Write a short note on (i) Isolation and Preservation of microorganism

 

(ii) Methods of improvement of industrial microbes.

 

  1. List out the essential parts of fermentor and write short note on each part.

 

  1. Write about the measuring and controlling devices for monitoring  pH, dissolved oxygen and foaming rate of a fermentor.

 

  1.  Write an essay on biosensors with their applications.

 

 

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