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 'Assistant Scientist in Kerala State Pollution Control Board' And exam conducted in the year 2023. And Question paper code was '096/2023'. Medium of question paper was in Malayalam or English . Booklet Alphacode was 'A'. 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.
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Incomplete antigens
A) Haptens B) Epitopes C) Mitogens D) None of the above
Amino acid with OH side chain
A) Serine B) Aspartic acid CC) Glycine D) Alanine
Mac Conkey’s Agar
A) Selective agar
B) Only cultivates gram-negative bacterial species
C) Lactose fermenters, turn red or pink on Mac Conkey agar
D) All of these
Find true statements.
i. RFLP is based on polymorphism.
1. PCR based molecular markers are cheap, but time consuming.
ர். RAPD is a PCR based method.
iv. PCR is not needed for DAF.
A) iand ii B) ii and iii C) iii and iv D) iand iii
In Industrial scale, ergosterol can be produced by
A) Corynebacterium glutamicum B) Pseudomonas
C) Eminia herbicola D) Saccharomyces cerevisiae
Transfer of CGTase to potato leading to production of
A) Human C Protein B) Legumin
C) Glutelin D) Alpha and Beta cyclodextrins
Biological degradation of organic matter of sludge occurs in different stages
A) Acidogenesis and Methanogenesis
B) Hydrolysis and Methanogenesis
C) Methanogenesis and biofilms
D) Hydrolysis, Acidogenesis and Methanogenesis
Cytochromes are
A) Oxygen acceptors B) Electron donors
C) Electron acceptors D) Proton and electron donors
Volatile organic compounds can be removed by
A) Biotrickle filters B) Bioscrubbers
C) Biofilters D) All of these