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 'Scientific Assistant' And exam conducted in the year 2023. And Question paper code was '079/2023/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.
D:-0.33 9
Correct Answer:- Option-D
Question62:-Coding regions of a gene are called
A:-Chromosome
B:-Exons
C:-Introns
D:-Chromatin
Correct Answer:- Option-C
Question63:-Calculate the chemical shift in ppm for a proton in a 120 MHz
instrument if it shows resonance at 300 Hz in 60 MHz.
A:-2.5 ppm
B:-2 ppm
C:-5 ppm
D:-1.5 ppm
Correct Answer:- Option-C
Question64:-Which of the following is a step not involved in DNA finger printing?
A:-Gel electrophoresis
B:-DNA transcription
C:-Polymerase Chain Reaction
D:-Restriction fragment length polymorphisms
Correct Answer:- Option-B
Question65:-Sensitivity of Neutron Activation Analysis depends on
(I)
(1)
(111)
(IV)
Neutron activation cross section
Isotope abundance
Neutron flux
Counter efficiency
A:-ll, ۷۴
8:- ۱
C:-All of above
D:-None of above
Correct Answer:- Option-B
Question66:-The modulus in the Plateau region in DMA analysis of a polymer
sample
A:-not depending on cross linking
B:-depends on cross linking alone
C:-depends on crystallinity alone
D:-depends on both crystallinity and crosslinking
Correct Answer:- Option-D