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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.
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The taste sensation of bitter is detected at :
(A) _ Tip of tongue (B) Base of tongue
(C) Middle of tongue (D) None of these
The buffering capacity of milk is often estimated by determining :
(^) Titratable acidity (2) Viscosity
(C) Temperature (D) Specific gravity
In presence of cane sugar, boiling milk by addition of resorcinol powder and concentrated HC]
gives:
(^) Blue colour (B) Red colour
(C) Violet colour (D) Yellow colour
The reagent used for detecting the presence of hydrogen peroxide in milk :
(^) P-phenyl nitrogen phosphate (B) Para phenylene diamine
(C) Dimethyl amino benzoic acid (D) Sodium citrate
Rosalic acid test is used to detect the presence of :
(^) Neutraliser (B) Preservative
(C) Water (D) Nitrates
As per BIS if raw milk changes its colour between 1-2 hours in MBRT test, its quality can be
graded as:
(^) Very good (B) Poor
(C) Good (D) Fair
Heavy metals in milk can be determined using :
(A) Pycnometer
(B) Flame photometer
(C) Atomic absorption spectrophotometer
(D) Kjeldahl apparatus
Any combination of species identified milk is termed as —————— in FSSAI.
(^) Species identified milk (B) Mixed milk
(C) Both (D) None
Every package of cheese, if coated or packed in food grade waxes polyfilm or wrapping of
cloth, shall bear the label :
(A) Contain food grade waxes
(B) Wrapping of cloth present
(C) Both
(D) Remove the outer package before consumption
7 150/2023
[P.T.0.]