Download PTU (I.K.Gujral Punjab Technical University (IKGPTU)) B-Tech (Bachelor of Technology) (FT)-Food-Technology 2020 December 3rd Sem 76991 Food Microbiology Previous Question Paper
Total No. of Pages : 02
Total No. of Questions : 18
B.Tech. (Food Technology) (2018 Batch) (Sem.?3)
FOOD MICROBIOLOGY
Subject Code : BTFT 303
M.Code : 76991
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
Answer briefly :
1.
What is Food Microbiology?
2.
Write two applications of yeast in food industry.
3.
Define Generation Time.
4.
What is Broth?
5.
Enlist the different sources of microorganisms in natural products.
6.
What do you understand by food poisoning?
7.
Enlist the name of two borne viruses.
8.
What are factors affecting the growth of microorganisms in food?
9.
Define Appertization.
10. Write two characteristics of lactobacilli which are important in foods.
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SECTION-B
11. What do you understand by unicellular? Differentiate between prokaryotic and eukaryotic
cell along with example.
12. Define Synchronous Growth? Explain the growth curve of microbial cultures.
13. What are bacteria? Discuss the various methods of reproduction of bacteria.
14. Write short note on the bacterial food spoilage.
15. Define Food Borne Infection. Explain the toxins produced by Clostridium.
SECTION-C
16. What do you understand by morphology? Discuss the importance and historical
developments in food microbiology.
17. Define Serial Dilution. Explain various techniques used for isolation of pure culture.
18. What are antimicrobial agents? Describe different physical agents used in microbial
control.
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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This post was last modified on 13 February 2021