Download PTU M.Tech. Food Technology 1st Semester 75599 ADVANCES IN FOOD ANALYSIS Question Paper

Download PTU. I.K. Gujral Punjab Technical University (IKGPTU) M.Tech. Food Technology 1st Semester 75599 ADVANCES IN FOOD ANALYSIS Question Paper.

1 | M-75599 (S35)-1060

Roll No. Total No. of Pages : 01
Total No. of Questions : 08
M.Tech.(Food Technology) (2018 Batch) (Sem.?1)
ADVANCES IN FOOD ANALYSIS
Subject Code : MTFT-512-18
M.Code : 75599
Time : 3 Hrs. Max. Marks : 60

INSTRUCTIONS TO CANDIDATES :
1.Attempt any FIVE questions out of EIGHT questions.
2.Each question carries TWELVE marks.
1. a) Write the principle of spectroscopy. Explain working of UV-visible spectrophotometer
and its application in food Industry. 4
b) What is FTIR spectroscopy? How the FTIR spectra results are interpreted? 4
c) How the emission spectroscopy is helpful in food analysis? 4
2. a) What are different types of emission and absorption spectroscopy. Explain working of
flame photometery. 8
b) What is Fluorescence spectroscopy? How the spectrofluoromieter works? 4
3. a) How TLC works? Explain with example the application of TLC in food analysis. 6
b) Draw a schematic diagram of a gas chromatograph and explain function of each part. 6
4. a) What different types of detectors are used in chromatographic analysis. Explain
working of Thermal conductivity (TCD), Flame ionization (FID) detectors. 2+6
b) How chromatography is used in the analysis of vitamins in food samples? Explain with
example. 4
5. Write the principle of SEM. Write its importance in food analysis. Discuss the application
of SEM in food product development and quality control with suitable examples. 3+4+5
6. Draw a DSC chromatogram. How DSC analysis results are interpreted? How the result
outputs of DSC and glass transition temperature analysis are used in food quality control
and product development? Discuss. 2+2+8
7. What is particle size analyzer? Write its basic principle. What are various types of particle
size analyzer? Explain the working and application of PSA in food industry. 2+2+8
8. Explain the theory of electrophoresis. Differentiate between SDS-PAGE and
electrophoreses. How the molecular weight of food samples proteins is calculated by SDS-
PAGE analysis. 3+2+7
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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