Kerala PSC Previous Years Question Paper & Answer

Question Code : A


Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'LECTURER IN BOTANY' And exam conducted in the year 2017. And Question paper code was '043/2017/OLE'. 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.

page: 4 out of 11
Excerpt of Question Code: 043/2017/OLE

Correct Answer:- Option-D
Question29:-Replication in DNA moves from
A:-3' to 5' direction
to 5' direction
C:-3' to 3' direction
D:-5' to 3' direction
Correct Answer:- Option-D
Question30:-Cot ¥% of DNA is defined as
A:-The time taken to reanneal
B:-Concentration of DNA in a cell at any time
C:-Amount of cytosine bases in a single strand by DNA
D:-The initial concentration multiplied by time for half of DNA to reanneal
Correct Answer:- Option-D
Question31:-Chaperon protein help in
A:-Protein folding and assembly
B:-Protein folding only
C:-Protein stability
D:-Both 1) and 2)
Correct Answer:-Question Cancelled
Question32:-An enzyme responsible for the synthesis of tRNA
A:-tRNA replicase
B:-tRNA synthetase
:-Ribosomal enzymes
D:-RNA Polymerase
Correct Answer:- Option-D
Question33:-Polytene chromosome is generated by
A:-DNA replication failure
B:-Homologus chromosome pairing
:-Transcription process
D:-DNA replication without segregation
Correct Answer:- Option-D
Question34:-Which of the following correctly matches a phase of the cell cycle ?
A:-S1 immediately precedes cell division
-G2, cell division
C:-M, duplication of DNA
D:-G1 immediately follows cell division
Correct Answer:-Question Cancelled
Question35:-The 'RNA world hypothesis' proposes that
A:-RNA formed from DNA
-RNA is a catalyst
C:-RNA formed from protein
D:-RNA is both catalyst and genetic material
Correct Answer:- Option-D
Question36:-Which of the following structure is not surrounded by one or more membrane ?
Correct Answer:- Option-D
Question37:-Choose the more appropriate term for 'Connexin' protein
-Intercellular spaces
-Tight junctions
D:-Gap junctions
Correct Answer:- Option-D
Question38:-Water in non-cyclic photophosphorylation is used for
A:-Excitation of chlorophyll
B:-Hydrolysis of ATP

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