Download PTU B-Tech Bio Technology 2020 Dec 4th Sem 77586 Industrial Microbiology Question Paper

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Total No. of Pages : 02
Total No. of Questions : 09

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B.Tech. (Biotechnology) (2018 Batch) (Sem.-4)
INDUSTRIAL MICROBIOLOGY
Subject Code : BTBT-401-18
M.Code : 77586
Time : 3 Hrs. Max. Marks : 60

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INSTRUCTIONS TO CANDIDATES :

1. SECTION-A is COMPULSORY consisting of TEN questions carrying TWO marks each.
2. SECTION-B contains FIVE questions carrying FIVE marks each and students have to attempt any FOUR questions.
3. SECTION-C contains THREE questions carrying TEN marks each and students have to attempt any TWO questions.

SECTION-A

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Q1 Write briefly :

1. Give two examples of free living nitrogen fixing microbes used as biofertilizers.
2. Enlist two important characters of an industrially important strain.
3. Name two microorganisms which are credited for the production of antibiotics.
4. Define a Master Culture.

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5. How are antibiotics different from vaccines?
6. Why are hops used in the manufacture of beer?
7. Define Biopesticides.
8. Define Pure Culture. Who gave the concept of pure culture?
9. What is Mycorrhiza and how does it act as a biofertilizers?

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10. What is a Starter Culture?

SECTION-B

Q2 What is the single cell protein (SCP)? Give the commercial use of SCP along with suitable example.

Q3 Discuss the different strategies used for strain improvement of microbes.

Q4 Beer is of two types-Lager and Ale. Briefly discuss the differences between lager and ale based on production, taste and shelf life.

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Q5 Write a brief note on the application of Bioinsecticides.

Q6 Describe in detail production of fungal amylase and give its application.

SECTION-C

Q7 Discuss the upstream and downstream parameters for the production of the penicillin.

Q8 Define Immobilization. Briefly discuss the different methods of enzyme immobilization.

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Q9 Discuss the role of fungi in biotransformation of steroids.

NOTE : Disclosure of Identity by writing Mobile No. or Making of passing request on any page of Answer Sheet will lead to UMC against the Student.

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