Download PTU (I.K.Gujral Punjab Technical University (IKGPTU)) B-Tech (Bachelor of Technology) (FT)-Food-Technology 2020 December 3rd Sem 76989 Principles Of Food Preservation Previous Question Paper
Roll No.
Total No. of Pages : 02
Total No. of Questions : 18
B.Tech. (Food Technology) (2018 Batch) (Sem.?3)
PRINCIPLES OF FOOD PRESERVATION
Subject Code : BTFT-301
M.Code : 76989
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.
Discuss briefly the constituent of foods.
2.
Importance of water activity
3.
Role of freezing in food preservation.
4.
Sharp freezing
5.
TDT curve
6.
Blanching
7.
Thermal processing
8.
Evaporation
9.
Spoilage of food
10. Antimicrobial agents
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SECTION-B
11. Why we need the food preservation? Discuss the objective of food processing and
preservation.
12. Discuss the nutritional significance of food constituents. How it is effected by processing
of food?
13. Differentiate between slow freezing and fast freezing. How freezing helps in preservation?
14. Discuss various kind of spoilage of canned food made from fruits and vegetables.
15. Discuss the use of various chemical in preservation of food products.
SECTION-C
16. Define Food Spoilage. Discuss various cause of food spoilage. Discuss in detail the various
principle of food preservation.
17. What do you mean by thermal destruction of microorganisms? Discuss the D, Z, F value in
thermal processing. How canning helps in food preservation? Discuss all steps involved in
canning of foods.
18. How drying and chemical helps in food preservation? Discuss the detail role of
bio-preservative in food preservation.
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