Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'SCIENTIFIC OFFICER (BIOLOGY) -KERALA POLICE SERVICE (FORENSIC SCIENCE LABORATORY)' And exam conducted in the year 2021. And Question paper code was '018/2021'. 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.
Which of the following events will NOT lead to transformation of a normal cell into a
cancer cell ?
(A) Gain of function of oncogenes
(B) 1085 of function of tumor suppressors
(C) Gain of function of genes involved in nucleotide excision repair
(D) 1௦% of function of pro-apoptosis related genes
What can be the impact of excessive use of nitrogenous fertilizers in agriculture ?
൯ Proliferation of nitrogen fixing microorganism in soil can occur
(11) Increase in the acidity of soil can occur
(111) Leaching of nitrate to the ground water can occur
Select the correct one.
(ಹ) (i) & (iii) only (B) (ii) only
& (iii) only (D) (i), (ii) ع (iii)
Which of the following is NOT a chromosomal anomaly ?
(C) Proteus syndrome
Baula project is meant for
lu Chat syndrome (8) Jacob’s syndrome
ற) Patau syndrome
(^) Turtles (B) Snow leopard
(C) Lion (D) Crocodiles
Which one of the following does NOT contribute to micro-evolutionary change ?
(4) Natural selection (B) Random mating
(C) Genetic drift (D) Mutation
Choose the agent that can cause relaxation of mesangial cells.
(A) Dopamine (B) Histamine
(C) Thrombaxane A, (D) Norepinephrine
Which one of
Peptides at epitl
the following does not belong to human antimicrobial proteins and
helial surfaces forming part of innate immunity ?
(^) Lactoferrin (8) Defensin
(6) Calprotectin ൯൩) Vimentin
Alveolar cells of the lung derived from
(^) Ectoderm (B) Mesoderm
(೮) Endoderm (D) Both Ectoderm & Mesoderm
Entry of envelo
ed viruses into host cells is mediated by
(A) Only endocytosis
(B) Only periocytosis
(C) Both endocytosis and membrane fusion
(D) Both endocytosis and phagocytosis
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