UPTU Old Year Questions Papers
B Tech 6th Semester
Note : (1) Attempt all questions.
(2) All questions carry equal marks.
1. Attempt any two of the following :
(a) Give a brief account of chronological development of fermentation process.
(b) Describe component parts of a fermentation process.
(c) Explain critically the mechanism of submerged fermentation and give its merits and demerits.
2. Attempt any two of the following :
(a) Describe microbial growth kinetics.
(b) What is the feel batch culture? Describe its kinetics.
(c) Briefly describe different regulatory mechanism involved in controlling the catabolic process of microbe’s batch culture.
3. Attempt any two parts of the following :
(a) Describe isolation of mutants that do not produce feedback, inhibitors or repressors.
(b) Briefly describe preservation of industrially improved microorganisms.
(c) Describe lypnolization.
4. Attempt any two of the following :
(a) Briefly describe medium formulation.
(b) Describe oxygen requirement in media for industrial fermentation.
(c) Discuss media for alcohol industry.
5. Attempt any two of the following :
(a) Describe principle of sterilization and write down precautions taken during sterilization.
(b) Describe design of batch sterilization process.
(c) Discuss aseptic transfer of interlocutory ferment-er.