Page:9
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name ' Junior Instructor (Dairying)' And exam conducted in the year 2023. And Question paper code was '150/2023'. Medium of question paper was in Malayalam or English . Booklet Alphacode was 'A'. Answer keys are given at the bottom, but we suggest you to try answering the questions yourself and compare the key along wih to check your performance. Because we would like you to do and practice by yourself.
71.
72.
73.
74.
75.
76.
77.
The time temperature combination used for stassanization is :
(^) 74°C for 7 minutes (B) 74°C for 7 seconds
(C) 150°C for 2 seconds (D) 150°C for 2 minutes
The machine which clarifies as well as homogenize the milk is known as:
(A) Homogenizer (8) 7180011708
(C) Bactofuge 8(0
Concentration of milk result in :
൫ The water activity decreases
(ii) Hygroscopicity increases
(ii) The conformation of proteins change
(iv) Diffusion coefficients increase
(^) Only @) and (ii) is true
൯ Only (ii) is true
(C) Only (i), (ii) and (iii) is true
(D) All of above is true
The whey protein nitrogen content per gram of High heat skim milk powder :
(A) Maximum 1.5 N mg per gram
برق Minimum 1.5 mg N per gram
(C) Minimum 6 mg N per gram
(D) Maximum 6 mg N per gram
——____—— Test is done to determine the amount of chemical stabilizer to be added to any
given batch of evaporated milk for the most satisfactory heat stability.
(^) Turbidity test
(2) Pan sterilization test
(C) Pilot sterilization test
(D) Primary sterilization test
The eye formation in Swiss cheese is due to the production of :
(^) Butyric acid ൯) Acetic acid
(C) Oxygen (D) Carbon dioxide
The temperature of clarification of ghee is :
(A) 70108010 ൯ 190൦൨൭0050
(¢) 1100-1206 (0) 1701018010
11 150/2028
[7.7.0.]