Kerala PSC Previous Years Question Paper & Answer
Page:3
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.
B:-Hypodermis
CeEndodermis
D-Pericycle
Correct Answer:- Option-C
Question 7::Which tissue of Corchorus Capsularis is Jute Fibre?
‘AcXylem fibre
B:-Phloem fibre
C-Sclerenchymatous hypodermis
D-Endodermis
Correct Answer:- Option ®
Question18::Which one of the following is a coal tar dye?
‘A-Haematoxylin
B:-Brazilin
C-Carmine
D-Erythrosine
Correct Answer:- Option-D
Question19:-Phase contrast microscope was invented by
‘AcRobert Hooke
B:-Knoll and Ruska
CoFrits Zemike
D-Leeuwenhoek
Correct Answer:- Option-C
Question20::What is amphimixis?
‘A-Normal act of sexual reproduction
B:-Formation of seedless fruits
C-Embryo formation without fertilization
Embryo formation from synergids
Correct Answer:- Option-é
Question21:-Male gametophyte in Angiosperm is
AcMicrospore mother cell
B:-Pollen grain
ടം gametes
D-Sperm cells
Correct Answer:- Option ®
Question22:-Acetolysis of pollen grain is
‘AcTreating with acetocarmine
B:-Treating with acetic acid
നിറു with a mixture of concentrated sulfuric acid and acetic anhydride
D-All of the above
Correct Answer:- Option-C
Question23:-Sporopolienin is composed of
ಸಿಗಲು acids
B:-Phenylpropanoids and phenolics
C-Carotencids
D-All of the above
Correct Answer:- Option-D
Question24::Which Travancore Maharaja introduced tapioca in Kerala?
‘AcSree, Vysakham Tirunal
B:-Sree. Chithira Tirunal
CSree, Moolam Tirunal