Download PTU B-Tech Bio Technology 2020 Dec 3rd Sem 76947 Microbiology Question Paper

Download PTU (I.K.Gujral Punjab Technical University (IKGPTU)) B-Tech (Bachelor of Technology) BT-Bio Technology 2020 December 3rd Sem 76947 Microbiology Previous Question Paper

Roll No.
Total No. of Pages : 02
Total No. of Questions : 18
B.Tech. (BT) (2018 Batch) (Sem.?3)
MICROBIOLOGY
Subject Code : BTBT303-18
M.Code : 76947
Time : 3 Hrs. Max. Marks : 60
INST RUCT IONS T O CANDIDAT ES :
1 .
SECT ION-A is COMPULSORY cons is ting of TEN questions carrying TWO marks
each.
2 .
SECT ION-B c ontains F IVE questions c arrying FIVE marks eac h and s tud ents
have to atte mpt any FOUR q ues tions.
3 .
SECT ION-C contains THREE questions carrying T EN marks e ach and s tudents
have to atte mpt any T WO questio ns.
SECTION-A
Write briefly :
1.
Write two functions of pili in bacteria.
2.
Name two diseases in humans caused by virus.
3.
Define Selective Medium.
4.
What is Diauxic Growth?
5.
Give the definition of Microbial Fermentation.
6.
What is Decimal Reduction Time?
7.
Give two major contributions of Elie Metchnikoff in the field of microbiology.
8.
What is the major difference between Archaea and Eubacteria?
9.
Which period is known as the Golden Era of Microbiology?
10. How is fungi different from bacteria?
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SECTION-B
11. What are the different phases of Growth Curve? Explain each phase in detail.
12. What are the different methods of Sterilization? Briefly discuss moist heat sterilization
(Autoclaving).
13. Discuss briefly the classification of bacterial based on nutritional requirement. Provide
requisite examples.
14. How are microbial strains preserved and maintained in the industry?
15. Describe the process of conjugation and its role in bacterial reproduction.
SECTION-C
16. Explain in detail about the batch and continuous fermentation process.
17. What are the different methods of screening industrially important microorganisms?
18. Explain the structural difference between Prokaryotic and Eukaryotic microorganisms.
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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