No. of Printed Pages : 5

MVP-001

POST GRADUATE DIPLOMA IN FOOD SAFETY AND QUALITY MANAGEMENT (PGDFSQM) Term-End Examination December, 2014

02456

MVP-001 : FOOD FUNDAMENTALS AND CHEMISTRY Maximum Marks : 100

Time : 3 hours

Note : Attempt any five questions. All questions carry equal marks.

1. Match the words given under column B with the appropriate statements given under column A. 10x2=20 Column A

Column B

(i)

Thick oily product obtained from the solvent extraction of spices.

Syneresis

(ii)

Surface active substances used in food processing.

Colloid

(iii)

Imparts natural yellow, orange or red colour to food.

Phyto-chemicals

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P.T.O.

(iv) The process of replenishing nutrients lost during processing. (v)

Change in the direction of optical rotation of sugar solution due to the hydrolysis of sucrose.

Oleoresin

Emulsifier

(vi) Change in the optical rotation of sugar due to solution conversion of one isomer into another.

Rheology

(vii) The separation of liquid from the gel caused by contraction of gelling agent.

Carotenoids

(viii) The system in which solid particles are not dissolved but suspended in it.

Enrichment

(ix) Study of deformation and flow in food in response to an applied load.

Inversion

(x)

Mutarotation

MVP-001

Active derivatives extracted from plants exhibiting pharmacological and physiological properties. 2

2. Differentiate the following terms :

10x2=20

(i) Active packaging and Intelligent packaging (ii) Laminate and Composite container R.M. value and Polenske value (iv) Annealing and Flanging (v) Probability and Non-probability sampling (vi) Sorption and Desorption isotherms (vii) Latent heat and Heat of fusion (viii)BOD and COD (ix) Hydrolysis and Inversion (x) Polysaccharide and Hydrocolloid 3. Fill in the blanks in the following :

10x2=20

(i)

Assurance of supply of enough food to people to lead healthy life is known as while assurance of safe food to the consumer is known as

(ii)

Use of bright light source behind an egg to show details through the shell is called whereas the process of plunging of a pig or poultry in very hot water is called

(iii) The calf meat is known as whereas the meat of hunted wild animal is called MVP-001

3

P.T.O.

(iv)

The orientation of two hydrogen atoms attached to the carbon atoms joined by double bonds decide the cis and trans isomers. When these are on either side of isomer is the double bond, a formed, while when both the hydrogens are isomer is on the same side formed.

(v)

Lactose is a raffinose is a

(vi)

The part in a grain which is responsible for the development of a new plant is called while the part which stores the food in it is known as

saccharide whereas saccharide.

(vii) Toned milk contains % SNF.

% fat and

(viii) Moderately hard water contains total hardness in ppm whereas very hard water contains ppm hardness. (ix)

Ratio of partial pressure of water in food to vapour of pure water multiplied by 100 is known as while percent relative humidity divided by 100 is called

(x)

Sequence of amino acids in a protein is known as its structure while combination of two or more polypeptides in protein is called structure.

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4. Write short notes on any five of the following : 5 x 4=20 (i) Rose-Gottlieb method of fat determination (ii) Fat constants (iii) Operating characteristic curves (iv) Sensory evaluation of food (v) Traditional Indian dairy products (vi) Nutraceuticals (vii) MAP of minimally processed foods 5. (a) Discuss the functional properties and food applications of proteins.

10

(b) Explain the advantages and disadvantages 10 of G.M. and organic foods. 6. (a) Discuss the basic methods of preservation of food. Which is the best method to retain 7+3 nutritional quality of food ? (b) What is edible packaging ? Give the advantages and requirements of edible 2+8 packaging. 7.

(a) What are hyphenated techniques ? Discuss the advantages of LC-MS and GC-MS over 2+8 HDLC and GC. (b) Discuss the functions of aerobic lagoons and 10 trickling filters in waste treatment.

MVP-001

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3,000

December 2014

conversion of one isomer into another. (vii) The separation of liquid ... (vii) MAP of minimally processed foods. 5. (a) Discuss the functional properties and food.

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