Kerala PSC Previous Years Question Paper & Answer
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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name ' Scientific Assistant (Biochemistry)' And exam conducted in the year 2023. And Question paper code was '107/2023/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.
FINAL ANSWER KEY
Question 107/2023/0ட
Paper Code:
Category 003/2022
Code:
Exam: Scientific Assistant (Biochemistry)
Date of Test 11-07-2023
Department Medical Education
Question1:-The molecular biology technique where RNA is converted to cDNA and
then amplified is
A:-RT-PCR
B:-RFLP
C:-FISH
D:-Northern Blotting
Correct Answer:- Option-A
Question2:-Nucleic acid probes can be used for
A:-Prenatal diagnosis of sickle cell anemia
B:-Detection of CMV virus in patient samples
C:-Detection of Philadelphia chromosome
D:-All of the above
Correct Answer:- Option-D
Question3:-In SDS-PAGE
A:-The separating gel has larger pore size than stacking gel
B:-The stacking gel has larger pore size than separating gel
C:-The stacking gel and separating gel do not differ in pore size but differ in pH
of the buffer
D:-SDS is used only for preparing the separating gel
Correct Answer:- Option-B
Question4:-The concept of real time PCR came because
A:-The ability to volatise the sample in a nebulizer
B:-The development of dot-blot methods
C:-Development of chain ligase reaction
D:-Taq polymerase has 5' to 3' exonuclease activity
Correct Answer:- Option-D
Question5:-In HPLC the resulting bands in the chromatogram are measured by
A:-Ruler