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

LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

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

FOURTH SEMESTER – APRIL 2012

PB 4210 – MICROBIAL BIOTECHNOLOGY

 

 

Date : 19-04-2012              Dept. No.                                        Max. : 100 Marks

Time : 1:00 – 4:00

 

Part A

 

Answer the following, each answer within 50 words:                                                     (10 x 2 = 20)

  1. What is gene library?
  2. Define plasmids.
  3. What is trophophase?
  4. Define transformation
  5. Mention about Koji fermentation process.
  6. Mention the nutritional status of SCPs.
  7. What are biopesticides?
  8. What is yoghurt?
  9. Define exopolymers.
  10. Distinguish between batch and continuous culture.

Part B

 

Answer the following, each answer within 500words. Draw diagrams wherever necessary  :    (5 x 7 = 35)

 

  1. (a) Explain briefly the polymerase chain reaction.

(or)

(b) Write short notes on restriction enzymes.

 

  1. (a) Discuss the chronological development of the fermentation industries.

(or)

(b) Schematically represent the strategies of down- stream processing.

 

  1. (a) Give the outline only of insulin production.

(or)

(b) Comment on the transformation of steroids.

 

  1. (a) Define vaccine. Explain the production Hepatitis – B vaccine.

(or)

(b) Explain the production of proteases.

 

  1. (a) Write briefly on the fermentation of L – Glutamic acid.

(or)

(b) How beer is produced industrially?

 

 

 

 

 

Part C

Answer any three of the following, each answer within 1200 words.  Draw diagrams wherever necessary:                                                                                                                             (3 x 15 = 45)

 

  1. Explain Southern blot technique.
  2. Explain the range of products and the component parts of a fermentation process.
  3. Discuss the production strategy of Streptomycin.
  4. What are biosensors? Explain briefly their working principle, types and application.
  5. Describe how Spirulina is mass cultivated.

 

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