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 'Finger Print Searcher -Police Department(CAT.NO:139/2020)' And exam conducted in the year 2021. And Question paper code was '103/2021'. 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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Baeyer’s reagent 15
A) Aqueous KMnO, solution
8) 1% Alkaline KMnO, solution
C) Acidic KMnO, solution
D) Aqueous solution of KMnO, and K,Cr,07
The compound which does not show Friedel-Craft’s reaction is
A) Chlorobenzene B) Toluene
C) Nitrobenzene D) Phenol
Which of the following molecule can exhibit geometrical isomerism ?
A) 0113 - CH = CH, 8) (CH3)9C = 0112
©) CH3 - CH = 0(113)2 0) 0113 - CH = 601| - 0113
The reagent which may be used to distinguish between starch and cellulose is
A) Tollen’s reagent B) lodine solution
C) Acetic anhydride D) Fehling’s solution
The polysaccharide on hydrolysis give only fructose is
A) Cellulose B) Amylopectin
C) Amylose D) Inulin
Glucose and Mannose may be obtained by Kiliani synthesis from
A) D-arabinose B) D-xylose
C) D-ribose D) D-lyxose
The oxides of nitrogen which is isoelectronic with CO, is
A) NO 8) 1४५०५
C) NO, 9) ४५०
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