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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Laboratory Technician Gr II- IMS/ Health etc ' And exam conducted in the year 22. And Question paper code was '007/22'. 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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Which of the following statements regarding prions is incorrect ?
(A) Infectious proteinaeceous agents which do not have nucleic acid
(B) They can be inactivated by boiling at 100°C
(C) Kuru is human disease caused by prions
(D) Instruments contaminated with prion containing materials can be disinfected with
1N sodium hydroxide
All of the following are true of NIPAH virus except :
(A) Fruit bats of the Pteropodidae Family are its natural host
(B) It is an enveloped RNA virus and belongs to Paramyxoviridae family
(0) Itis a Biosafety level 2 pathogen
(D) Diagnosis in the early phase of infection is by real time PCR of throat specimens
Among the following methods, identify the correct way of cleaning laboratory
glassware.
(A) Soap water > Tap water جہ Paper towel drying
(B) Soap water -> Tap water -> Air drying
(0) Soap water -> Tap water > Acetone wash -> Air drying
(D) Soap water > Tap water — Deionized water -> Air drying
Identify the factor that is not a contributor in loss of pipetting accuracy.
(A) Temperature of fluid to be pipetted.
(B) Viscosity of fluid to be pipetted.
(C) Fluid volume 50% above minimum volume.
(D) Angle of pipette during aspiration.
Out of the listed safety protocols, identify the protocol not adhering to proper laboratory
safety standard.
(^) Splash goggles should always be worn inside the laboratory.
(B) Procedures resulting in hazardous fumes should be performed in a flume hood.
(C) Material safety data sheet (MSDS) of all chemicals used must be displayed in
the laboratory.
(D) Used needles and blades should be safely disposed by wrapping in paper towels.
In a chemical laboratory, identify the protocol not adhering to proper chemical storage
standards.
(A) Methanol should be stored in a flame safety cabinet.
(B) Oxidizers and flammables should be stored in same cabinet for easy access.
(C) Chemicals should not be stored purely based on alphabetic order.
(D) Acids and bases should be stored separately or with sufficient distance.
Highest purity of water is indicated by which conductivity ?
(A) 18.2MQcem-! ௫) 15.0MQem-! (0) 17.2MQcem-! (D) 12MQcm-!
007/2022 10 A