Kerala PSC Previous Years Question Paper & Answer
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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name ' Scientific Assistant (Biochemistry)' And exam conducted in the year 2023. And Question paper code was '107/2023/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.
B:-Mass spectrometer
C:-Densitometer
D:-Two-dimensional electrophoresis
Correct Answer:- Option-B
Question6:-In a chromatographic instrument selective separation of a mixture
occurs in
A:-Mass analyser
B:-Spectrometer
C:-Column
D:-Sample injection port
Correct Answer:- Option-C
Question7:-Drug of abuse can be measured by
A:-Thin layer chromatography
B:-Gas/liquid chromatography
C:-Size exclusion chromatography
D:-Paper chromatography
Correct Answer:- Option-B
Question8:-Mass spectrometer identifies analytes based on
A:-Mass: charge ratio
B:-Retention factor
C:-Density of the band
D:-Molecular weight
Correct Answer:- Option-A
Question9:-In atomic absorption spectroscopy with what material is the cathode in
hallow cathode lamp made?
A:-Tungsten
B:-Cadmium
C:-Element to be analysed
D:-Deuterium
Correct Answer:- Option-C
Question10:-Prussian Blue stain is used for staining which of the following metals?
A:-Iron
B:-Copper
C:-Selenium
D:-Zinc
Correct Answer:- Option-A