Kerala PSC Previous Years Question Paper & Answer
Page:4
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.
B:-4220
C:-4012
D:-4210
Correct Answer:- Option-B
Question17:-The correct match for metalloprotein in column A with its biological
function in column B.
Column A Column B
(a) Cytochrome 8450 (i) 0% transport
(b) Vitamin 2. (ii) 2 Storage
(€) Rubredoxin (iii) Group transfer
(५) Hemocyanin (iv) Electron transport
(५) Iron storage
(vi) Insertion of oxygen into C-H bond
A:-(a)-(vi), (b)-(iii), (c)-(iv), (d)-(i)
B:-(a)-(i), (b)-(ii), (c)-(iii), (d)-(vi)
C:-(a)-(iii), (b)-(vi), (c)-Civ), (6)-(1)
D:-(a)-(iv), (b)-(iii), (c)-(i), (d)-(iv)
Correct Answer:- Option-A
Question18:-Which one of the following is/are a single molecular magnet?
[ന്യ]
8: Mn(n5—CsMes),(Cx(CN),)|
6:-14௩,00(070/82) (270), 2120011410.
D:-All the above
Correct Answer:- Option-D
Question19:-The ground state term symbols for rm3+ and ro%+ are
7۷ 300 ھ۵۲
8:- 310 571६
0:34 and 77,
D:-7r, and °#s
Correct Answer:- Option-A
Question20:-4u(PPr;) is isolobal with
A:-Fe(CO), and cpco(co)
B:-mn(co), and CpFe(co),
C:-co(co); and [mico),]*
D:-Fe(co), and wilco),
Correct Answer:- Option-B
Question21:-Which of the following statement is/are correct about Ferro, Piezo- and
Pyroelectric materials
(1) The crystal of Ferro-, Piezo- and Pyroelectric crystals are non-centrasymmetric