Kerala PSC Previous Years Question Paper & Answer
Page:5
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'ASSISTANT RESEARCH OFFICER CHEMISTRY' And exam conducted in the year 2018. And Question paper code was '068/2018/OL'. 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.
A:-HPLC
B:-GC
൩൦
D:-lon-Exchange Chromatography
Correct Answer:- Option-B
Question39:-The shape of weak acid X strong base titration is
ig.
D:-fig
Correct Answer:-Question Cancelled
Question40:-The process of recovery of the constituents from the chromatogram is called
A:-Dilution
B:-Elution
C:-Eluent
D:-Recoveration
Correct Answer:- Option-B
Question41:-Iron-sulphur clusters in biological systems are involved in
A:-proton transfer
B:-atom transfer
C:-group transfer
D:-electron transfer
Correct Answer:- Option-D
Question42:-The metal present in carbonic anhydrase is
A:-Mn
B:-Zn
C:-Mg
D:-Cu
Correct Answer:- Option-B
Question43:-What is not true about Ferredoxins?
A:-Involved in oxidation of ***"{NH_3}""
B:-Generate *"{H_2}"° from acid solution
C:-Reduction potential is from 0 to +0.5 V
D:-It is Fe-S protein
Correct Answer:- Option-C
Question44:-Cytochromes acts as
A:-Two electron transfer agents
B:-One electron transfer agents
C:-Multi electron transfer agents
D:-None of these
Correct Answer:- Option-B
Question45:-Nitrogenase contains
A:-Fe, Mo
B:-Mg, Fe
C:-Fe, Zn
D:-Fe, Cu
Correct Answer:- Option-A
Question46:-fig. is an example for
A:-Crown ether
B:-Calixarenes
C:-Catenene
D:-Rotaxanes
Correct Answer:-Question Cancelled
Question47:-The interior of B-cyclodextrin is
A:-hydrophobic
B:-hydrophilic
C:-hydrophobic and hydrophilic
D:-none of these
Correct Answer:- Option-A