Download SGBAU B-Tech 6th Sem FPOPC Petro Food Technology III Question Paper

Download SGBAU (Sant Gadge Baba Amravati university) B-Tech/BE (Bachelor of Technology) 6th Sem FPOPC Petro Food Technology III Previous Question Paper

B.Tech. Sixth Se?lestcr (Food. P &; P O & P and Petro Tech.) (COS)
11046 : Food Technology-III : 6 FT ()4
P. Pages : 2 I | AW ? 3260
Time : Three Hours Wm?w?u?z L" Max. Marks : 80
Notcs : 1. Answer three question from Section A and three question from Section B.
2. Diagrams and chemical equations should be given wherever necessary.
3. Illustrate your answer necessary with the help of neat sketches.
SECTION - A
l. a") What arc the goals of classi?cation ot?bacteria? Describe DNA homology experiment 8
wi1h its signi?cance.
b) Describe external structure of bacteria. 6
OR
2. :1) Describe pour plate technique for isolation of pure culture. 6
b) Describe physical methods of selection & isolation of pure culture. 8
3. a) Enlist chemical agents used for control ol?microorganisms with mechanism of action of 8
any two.
b) Draw a neat labelled diagram of autoclave. 5
OR
4. 3) Describe normal gromh cuwc of bacteria. 8
b) Name the microorganisms responsible for following activity. 5
1) Bread fcnnentation
2) Fungal single cell protein
3) Poultry spoilage
4) Yoghurt fermentation
5) W ine fermentation
5. a) What is pasteurization ot?milk? Specify time & temp conditions. Explain phosphatase test. 8
b) Enlist various methods of food preservation. 5
OR
6. 3) Describe extrinsic parameters of foods that affect microbial growth. 8
b) Write a note on controlled Atmosphere storage. 5
AW ? 3260 1 P.T.O

10.
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12.
AW ~ 3260
a)
b)
C)
a)
b)
a)_
b)
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SECTION - B
Describe lactic acid fermentation of whey
Write a notc on food irradiation.
Give industrial applicahom 01? yeasts.
OR
What is phenol coef?cient? How it is determined.
De?ne water activity. Explain its relation to microbial food spoilagc?
Explain various routes 01? food coman?zination.
Explah bakers yczm mnnufacnlre.
OR
What is thermal dcalh time? Explain D, Z & F Valves.
Write a note on industrial applications. of bacteria.
Write now on following.
I) Freeze drying
2) Aseptic packaging
3) Food antibiotics
OR
Write notes on following.
1) Wine fcmlentatmn
2) Yoghurl fermentation
3) Vinegar fermentatinr
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