Kerala PSC Previous Years Question Paper & Answer

Title : Junior Instructor (Dairying)
Question Code : A

Page:4


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.

page: 4 out of 14
Excerpt of Question Code: 150/2023

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The feeding pattern of cow has greatest effect on:
(A) Fat ൯) Protein
(C) Lactose () Minerals

The carboxy terminal fragments of / -casein is called as:

(^) K-casein ൯) Proteose peptone
(0) y-Casein (D) as 1casein

The enzyme whose heat stability is similar to minimum conditions used for milk
pasteurization :

(A) Lipoprotein lipase (B) Alkaline serine protease
(6 Plasmin (D) Alkaline phosphatase

Protein which act as an enzyme modifier in Lactose synthesis :
(A) #-lactoglobulin (3) @ lactalbumin

(C) Immunoglobulin (1) Lactoferrin

The stabilization of fat emulsion in milk can be achieved mainly by :
(^) Pasteurization (B) Homogenization
(C) Cream separation (D) Freezing

The milk component which shows highest density at 20°C :
(A) Water (B) Milk fat
(C) Protein (D) Lactose

Physico chemical property of milk which is used as an index of mastitis infection :
(4) Specific gravity (B) Surface tension
(0) Electrical conductivity (D) Viscosity

Total solids in milk can be determined by :

(A) Drying method ൯) Lactometer method
(C) Both (A) and (B) (D) None of these
n ashing, milk sample is exposed to a higher temperature of :
(A) 300°C (B) 440°C
(0 550°C (D) 150°C

Cryoscope is an instrument used to measure sample property :

(4) Freezing point (B) Boiling point
(C) Viscosity (D) Acidity

150/2023 6 A

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