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 'Research Officer- Chemistry/ Biochemistry' And exam conducted in the year 2023. And Question paper code was '027/2023/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.
Correct Answer:- Option-B
Question24:-Which of the following is different from rest of the inhibitors?
A:-Disulfiram
B:-Cyanide
C:-Fluoride
D:-Allopurinol
Correct Answer:-Question Cancelled
Question25:-Choose the correct pair of coenzyme and corresponding vitamin.
A:-Vit B1-TPP, Vit B2-FMN, Vit B6-PLP
B:-Vit B1-FMN, Vit B2-TPP, Vit B6-PLP
C:-Vit B1-PLP, Vit B2-TPP, Vit B6-TPP
D:-Vit B1-TPP, Vit B2-PLP, Vit B6-FMN
Correct Answer:- Option-A
Question26:-For plot of V against [S], allosteric enzyme exhibits
A:-Hyberbolic curve
B:-Sigmoidal curve
C:-Bell shaped curve
D:-None of the above
Correct Answer:- Option-B
Question27:-Acute pancreatitis is characterised by
A:-t Acid phosphatase
B:-T Serum amylase
C:-t Acid phosphatase and fT serum amylase
D:-1 Acid phosphatase and 1 serum amylase
Correct Answer:- Option-B
Question28:-Choose the incorrect statement.
A:-SEM provides 3D image, TEM provides 2D image
B:-Magnification caused by TEM is higher than that of SEM
C:-In SEM, sections of sample is coated with a thin layer of a heavy metal such
as gold
D:-SEM has higher resolution than TEM
Correct Answer:- Option-D
Question29:-Bragg equation states that
A:-nA = 2dSin(1/@)
B:-n/A = 2dSin@
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