Kerala PSC Previous Years Question Paper & Answer

Title : Scientific Officer Biology (SR for SC/ST and ST only)
Question Code :

Page:12


Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Scientific Officer Biology (SR for SC/ST and ST only)' And exam conducted in the year 2022. And Question paper code was '094/2022/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: 12 out of 13
Excerpt of Question Code: 094/2022/OL

Correct Answer:- Option-é
Question90:-Most common type of phospholipid in the cell membrane of nerve cells is
‘Ac phosphatidylcholine
B:-phosphatidylinositol
C=phosphatidylserine
sphingomyelin
Correct Answer:- Option-é
Question91:-The maternal effect gene products that regulate the production of anterior structures in Drosophila embryo?
‘A:Bicoid and Nanos
B:-Bicoid and Hunchback
C=Bicoid and Caudal
D:-Nanos and Caudal

Correct Answer: Option ®

Question92:-Release of intracellular Cais due to
AcAbsence of PIP hydrolysis
B:-Rapid dephosphorylation of /P,
C=Retention of DAG in cytoplasm
D-Aetivation of IP receptors
Correct Answer:- Option-D
ಟಟ of the following is a component of the coenzyme A?
‘AcRetinol
B:-Pantothenic acid
C= Pyridoxine
D-Retinoie acid
Correct Answer:- Option ®
Question94:-Production of excessive amount of corticotropin (ACTH) occurs in which one of the following
AcGrave's disease
B:-Cushing's syndrome
C=Grieg's syndrome
D-Addison’s syndrome
Correct Answer:- Option ®
Question95:-The Biosafety Protocol, 2000 was conducted in,
‘Ac Montreal
B:-Kyoto
CeStockholm
Di Rio de Janeiro
Correct Answer:- Option-é
Question96:-The first DNA vaccine approved in India is
AcEngerix 8
`
മോ
D:-Havrix
Correct Answer:- Option-C
Question97::Which of the following functions are macrophages unable to carry out?
AcPinocytosis
B:-Phagocytosis
CT cell priming
D-Antigen presentation to activated cells,

Correct Answer: Option-C

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