Kerala PSC Previous Years Question Paper & Answer

Question Code :


Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'DAIRY EXTENSION OFFICER' And exam conducted in the year 2023. And Question paper code was '018/2023/OL'. Medium of question paper was in Malayalam or English . Booklet Alphacode was ''. 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: 1 out of 12
Excerpt of Question Code: 018/2023/OL


Question Paper Code: 18/2023/0L

Category Code: 008/2021

Exam: Dairy Extension Officer
Medium of Question: English

Date of Test 31-01-2023
Department Dairy Development
Alphacode A

Question1:-Sterilization of packaging film used for UHT milk can be done by use of

A:-Hydrogen cyanide

B:-Hypochlorite solution

C:-Potassium permanganate

D:-Hydrogen peroxide

Correct Answer:- Option-D
Question2:-The purpose of Tri-purpose or Tri-process cream separator is

A:-Separation of milk
:-Clarification of milk

C:-Standardization of milk

D:-All the above

Correct Answer:- Option-D
Question3:-When milk is offered for sale without indication of any class, standards applied are that of

A:-Cow milk

B:-Buffalo milk

C:-Std milk

D:-Mixed milk

Correct Answer:- Option-D
Question4:-Human milk is devoid of the following constituent


B:-Proteose peptone


D:-k- casein

Correct Answer:- Option-C
Question5:-'Recknagel phenomena’ is related to the following:

A:-Increase in the density of milk upon warm storage

B:-Increase in the oxidative reaction of milk upon warm storage

C:-Increase in the density of raw milk upon cold storage

D:-Increase in the viscosity of milk upon cold storage

Correct Answer:- Option-C
Question6:-As compared to the pasteurized milk, the UHT milk would be





Correct Answer:- Option-B
Question7:-Methylene blue reduction test measures

A:-Bacterial load of milk

B:-Sourness of milk

C:-Alkalinity of milk

D:-Minerals in milk

Correct Answer:- Option-A
Question8:-The second stage of a two-stage homogenizer is used to:

A:-Break down the fat globule size to < 2m those which could not be broken by the first stage pressure
B:-Separating out the clusters of fat globules that are created after the first stage of homogenizer
-Break down the fat globule size still smaller size (<1 im) than what was obtained through use of first stage pressure

D:-Separating out the clusters of fat globules that are cretaed after the second stage of homogenizer

Correct Answer:- Option-B
Question9:-A ‘Milk clarifier’ does not remove the following from raw milk:

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