Title 8- Net Mock Test .pdf ✅

Q.N o. Question Answe r 19 Temperature at which Butyrorefractometer reading is taken, C A. 30 (C C. 40 (C B. 27 (C D. 37 (C 20 ______packaging material is of concern with respect to Bisphenol A. A. Polycarbobate C. Polypropylene A B. Polystyrene D. Polyethylene 21 Biuret method is used to measure B A. Moisture C. Fat B. Protein D. Ash 22 The equilibrium ratio of β to α lactose at 20 o C is C A. 0.68 C. 1.68 B. 2.68 D. 3.68 23 The mean molecular weight of fatty acid is measured by ________ A. Iodine value C. Saponification value C B. Peroxide value D. Acid value 24 The surface tension value of commercially homogenized milk is ___________. A. 25 to 35 dynes/cm C. 66 to 72 dynes/cm D B. 75 to 85 dynes/cm D. 46 to 58 dynes/cm 25 The required c* value for satisfactory UHT process is B A. Maximum 10 C. Minimum 1 B. Maximum 1 D. Minimum 10 26 The reclycling of milk that takes place in Stork type of UHT plants operating in India is A. 10 % C. 5 % A B. 1 % D. None of the above 27 According to the International Standards (FDA and IDF), the contamination (SPC) of food contact surfaces should be A. < 100 cfu / m B 3 C. < 1 cfu / cm 3 B. < 1 cfu / m 3 D. < 10 cfu / cm 3
Q.N o. Question Answe r 28 Good quality air in a dairy should have following total count D A. < 1000 cfu / m 3 C. < 10 cfu / m 3 B. < 100 cfu / m 3 D. < 150 cfu / m 3 29 Native starch can be modified by following technique to make them swellable in cold liquids: B A. Treating with rennet enzyme C. Homogenization of starch slurry B. Pre-gelatinization of starch by heating D. None of the above 30 There would be significant reduction in keeping quality of pasteurized milk if the count of Gram negative rod is A. > 1 / 100 ml C. > 10 / 10 ml D B. > 10 / ml D. > 10 / 100 ml 31 The allergenicity of milk is mainly ascribed to the following protein fraction: A. (-casein C. (-lactoglobulin C (s-casein D. Plasmin 32 The freezing point of cow milk is about: C A. 0 o C C. -0.55 o C B. -1.0 o C D. -1.55 o C 33 The proximate following percentage of total milk produced in India is diverted for manufacture of indigenous dairy products: A. 20-30% C. 45-50% C B. 60-85% D. None of the above 34 The typical 2-stage homogenization pressure adopted in the manufacture of Evaporated milk is about (1 MPa = 135 psi): A. 25 MPa + 5.0 MPa C. 17.5 MPa + 3.5 MPa C B. 10 MPa + 7.5 MPa D. 7.5 MPa + 3.5 MPa 35 The heat stability of milk for preparation of Evaporated milk cannot be improved by adopting the following: D A. Addition of stabilizing salts C. Forewarming of milk B. Slight demineralization through use of Nanofiltration D. Removal of part of lactose by passing milk through ultrafiltration membrane