Download PTU. I.K. Gujral Punjab Technical University (IKGPTU) M.Tech. Food Technology 1st Semester 75599 ADVANCES IN FOOD ANALYSIS Question Paper.
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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This post was last modified on 13 December 2019