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 ' Junior Research Officer (SR for ST)' And exam conducted in the year 2023. And Question paper code was '137/2023/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.
FINAL ANSWER KEY
Question 137/2023/0L
Paper Code:
Category 034/2022
Code:
Exam: Junior Research Officer (SR for ST)
Date of Test 04-08-2023
Department Food Safety
Question1:-The pairs of sulfur - Nitrogen Compounds/species with 10 « electrons
]5.9[ اقوى]- :حم
പെ اقوى]-: 8
(:-५५४५][5५४३]
D:-[53N3] [522]
Correct Answer:- Option-B
Question2:-Which of the following organometallic compound has a 4c-2e bond if the
bonding is purely covalent?
^; -412(८ 3)
B:-Ai.CH3(t-Bu),
Ci-bigMe,
D:-Be,Me,
Correct Answer:- Option-C
Question3:-Which of the following adopts inverse spinel structure?
ी:-४०41204
B:-M9T1204
೮-೮೦೦
D:-MgIn,O4
Correct Answer:- Option-D
Question4:-vz.ci react with sci; produces a compound P, which on reduction with
NaBH, gives Q. Q on reaction with HCI gives R. Identify P. Q and R in the correct
order
A:-B3N3CljHs,B3N 3H6,B3N 3ClaH3
B:-B3N3ClgHo,B3N 3Cl3H3,B3N 3H
മംച
D:-B3N3ClzH3,B3N 3ClgH3,ByN3H¢
Correct Answer:- Option-C
Question5:-Which one of the following is not a zeolite?
A:-Crocidolite