Kerala PSC Previous Years Question Paper & Answer
Page:21
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:-4
C:-6
D:-1
Correct Answer:- Option-A
Question91:-If the experimental value is close to the true value, then the
experimental value is
A:-accurate
B:-precise
C:-suitable
D:-error
Correct Answer:- Option-A
Question92:-How many significant figures are there in the numbers 0.001023 and
0.001023000 respectively?
A:-4,6
B:-4, 7
6-6
0:-5, 7
Correct Answer:- Option-B
Question93:-Which statement is true for a primary standard?
A:-Should be extra pure
B:-Should be stable
C:-Should be soluble in titration medium
D:-All of these
Correct Answer:- Option-D
Question94:-Which parameter is measured using differential thermal analysis?
A:-Change in mass
B:-AT
C:-dH
D:-Volume
Correct Answer:- Option-B
Question95:-In gas chromatography, which is not used as a carrier gas?
A:-Argon
B:-Helium
C:-Oxygen
D:-Nitrogen
Correct Answer:- Option-C