Kerala PSC Previous Years Question Paper & Answer
Page:13
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.
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D:-All the above
Correct Answer:- Option-D
Question53:-Which among the following statements is incorrect for Patterno-Buchi
reaction
A:-lt is 2+2 photo cycloaddition reaction between an alkene and a carbonyl
compound
B:-Reaction is between an excited an alkene reacting with the ground state
carbonyl group
C:-The product of the reaction is an oxetane
D:-None of these
Correct Answer:- Option-B
Question54:-Rhodospin is a combination of and protein opsin
A:-11-cis-retinal
B:-11-trans-retinal
C:-10-cis-retinal
D:-10-trans-retinal
Correct Answer:- Option-A
Question55:-Which the main product of the following rearrangement?