Kerala PSC Previous Years Question Paper & Answer

Title : Scientific Assistant (Biochemistry)
Question Code :

Page:7


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.

page: 7 out of 20
Excerpt of Question Code: 107/2023/OL

D:-Mixed inhibitors bind to either E or ES at a site distinct from the active site
Correct Answer:- Option-C

Question32:-Which of the following statement(s) about immunochemical methods
of isoenzyme analysis is/are correct?

(1) Are particularly applicable to isoenzymes derived from multiple gene loci

(ii) The greater discriminating power of monoclonal antibodies has potentially
brought all multiple forms of an enzyme within the scope of immuno chemical
analysis

(111) The most common routine methods to measure isoenzymes or isoforms are
now based on immunochemical assays

A:-i and ii
B:-ii and iii
C:-i and iii

D:-All of the above (i, ii, iii)
Correct Answer:- Option-D
Question33:-Lineweaver-Burk plot is derived from
A:-Reciprocal of substrate concentration against reciprocal of velocity
B:-Substrate concentration against Vix
ഠാ against initial velocity
D:-Reciprocal of initial velocity against substrate concentration
Correct Answer:- Option-A
Question34:-Example of enzyme induction is
A:-Glycogen Phosphorylase by glucagon
B:-Tryptophan pyrrolase by glucocorticoids
C:-ALA synthase by heme
D:-None of the above
Correct Answer:- Option-B
Question35:-An enzyme which undergo covalent modification by acetylation is
A:-Acetyl CoA carboxylase
B:-Glycogen synthase
C:-Long chain acyl CoA dehydrogenase
D:-Aspartate Trans carbamoylase
Correct Answer:- Option-C

Question36:-The pattern of appearance of an enzyme in blood after an acute injury
depends on

A:-The intracellular location and whether molecules are bound or free
B:-Molecular weight

C:-The rate of elimination from blood

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Scientific Assistant (Biochemistry) : Video