[Solved paper] Laboratory Technician Grade II Kerala PSC Previous Question Paper|103/2023 Previous Question paper Kerala PSC

FINAL ANSWER KEY

Question Paper Code: 174/2023/OL

Category Code: 103/2023

Exam: Laboratory Technician Grade II (SR for ST)

Date of Test 28-12-2023

Department : Health Services

Laboratory Technician Grade II Kerala PSC Previous Question Paper

Question1:-Normal reticulocyte count

A:-50-100 /L

B:-4-11 /L

C:-3-5 /L

D:-6-15 /L

Correct Answer:- Option-A

Question2:-The coagulation factor not involved in intrinsic pathway of blood

coagulation

A:-Factor IX

B:-Factor VII

C:-Factor VIII

D:-Factor XII

Correct Answer:- Option-B

Question3:-Basophilic stippling occurs in

A:-Thalassemia

B:-Megaloblastic anaemia

C:-Lead poisoning

D:-All of the above

Correct Answer:- Option-D

Question4:-Reducing agent used in sickling test

A:-Potassium sulphate

B:-Sodium metabisulphite

C:-Sodium nitropreusside

D:-Sodium Hypochlorite

Correct Answer:- Option-B

Question5:-Hyper segmented neutrophils are found in

A:-Iron deficiency anaemia

B:-Acute lymphoblastic leukemia

C:-Macrocytic anaemia

D:-Acute myecogenous leukemia

Correct Answer:- Option-C

Question6:-Which of the following are used as prostatic marker

A:-Acid phosphatase

B:-Citric acid

C:-Zinc

D:-All of the above

Correct Answer:- Option-D

Question7:-Reagent used for detection of ketone bodies by dipstick method

A:-Sodium nitroferricyanide

B:-Ferric chloride

C:-Potassium iodide

D:-Ortho-toluidine

Correct Answer:- Option-A

Question8:-Which of the following organisms are destroyed when CSF samples are

refrigerated

A:-S. Pneumoniae

B:-N. Meningitidis

C:-E.Coli

D:-Salmonella typhi

Correct Answer:- Option-B

Question9:-Black tarry stool are indicative of

A:-Obstructive jaundice

B:-Cholera

C:-Gastrointestinal haemorrhage

D:-Food poisoning

Correct Answer:- Option-C

Question10:-Foul smelling sputum is observed in

A:-Bronchiectasis

B:-Pulmonary oedema

C:-Asthma

D:-Pneumonia

Correct Answer:- Option-A

Question11:-Cryoprecipitate is administered to patients suffering from

i. Haemophilia

ii. Thrombocytopenia

iii. Leucopenia

iv. Von Willebrand disease

A:-i and ii

B:-ii and iii

C:-i and iv

D:-ii and iv

Correct Answer:- Option-C

Question12:-Membrane stabilizer used in SAG-M blood bags

A:-Mannitol

B:-Dextrose

C:-Adenine

D:-Citric Acid

Correct Answer:- Option-A

Question13:-Which one of the following immunoglobulin crosses the placenta

frequently

A:-IgM

B:-IgA

C:-IgE

D:-IgG

Correct Answer:- Option-D

Question14:-Which of the following statement is correct for Bombay blood group

A:-persons with Bombay blood group carries HAg

B:-Bombay blood group person cannot receive 'O' blood group

C:-Bombay blood group in detected using forward grouping

D:-Bombay blood group persons lack anti H antibodies

Correct Answer:- Option-B

Question15:-Anti AI lectins are extracted from

A:-Ulex europeus

B:-Vicia graminea

C:-Dolichos biflorus

D:-Arachis hypogea

Correct Answer:- Option-C

Question16:-Microtome which is ideal for cutting sections of very large blocks of

tissue

A:-Sliding microtome

B:-Sledge microtome

C:-Rocking microtome

D:-Rotary microtome

Correct Answer:- Option-B

Question17:-All are mercury containing fixatives except

A:-Heidenhain susa

B:-Zenker's fluid

C:-Helly's fluid

D:-Gander's fluid

Correct Answer:- Option-D

Question18:-Best mounting media for fat stains

A:-Apathy medium

B:-DPX

C:-Glycerine jelly

D:-Canada Balsum

Correct Answer:- Option-C

Question19:-All are true about frozen section except

A:-Structural details may become distorted

B:-Serial sections can be obtained

C:-Polychrome methylene blue can be used for staining

D:-Adhesive not required for unfixed tissue

Correct Answer:- Option-B

Question20:-Following are special stains for hemosiderin except

A:-Tirmann - Schmelzer's turnbull blue technique

B:-Perl's prussian blue

C:-Glenner's method

D:-Stein's method

Correct Answer:- Option-D

Question21:-All are true about sex chromatin except

A:-Buccal mucosal scrapings from inside the cheek is obtained for sex

chromatin study

B:-The most reliable staining is hematoxylin and Eosin

C:-Fixative used is equal parts of ether and alcohol

D:-Sex chromatin is seen as an intensely staining dot lying against the nuclear

membrane

Correct Answer:- Option-B

Question22:-All are nuclear fixatives except

A:-New comer's fluid

B:-Clarke's fluid

C:-Carnoy's fluid

D:-Champy's fluid

Correct Answer:- Option-D

Question23:-All are true about Shorr's staining except

A:-Used for hormonal assessment

B:-Not very useful in detecting malignancies

C:-Nuclear definition and cytoplasmic transparency is better than pap stain

D:-Contain biebrich scarlet, orange G and fast green

Correct Answer:- Option-C

Question24:-"NAF" solution in cell block technique contain

A:-Formaldehyde

B:-Glycerin

C:-Ethanol

D:-Eosin

Correct Answer:- Option-B

Question25:-All are advantages of liquid based cytology except

A:-Number of slides per patient are reduced

B:-Improves the background of microscopy

C:-Improves cell preservation

D:-Cause drying of cells during preparation

Correct Answer:- Option-D

Question26:-In Karyotyping, shortest acrocentric chromosomes are seen in which

group?

A:-B group

B:-D group

C:-E group

D:-G group

Correct Answer:- Option-D

Question27:-V chromosome is a _________ chromosome

A:-Metacentric

B:-Submetacentric

C:-Centric

D:-Acrocentric

Correct Answer:- Option-D

Question28:-Which banding technique employs fluorescence for chromosomal

studies

A:-G banding

B:-Q banding

C:-C banding

D:-H banding

Correct Answer:- Option-B

Question29:-Turner syndrome is

A:-XXY

B:-48 XXXY

C:-X0

D:-49 XXXYY

Correct Answer:- Option-C

Question30:-Most commonly employed mitogen for chromosome preparation from

whole blood culture

A:-Phyto hemagglutinin

B:-Lipo polysaccharide

C:-Concanavalin A

D:-Pokeweed mitogen

Correct Answer:- Option-A

Question31:-Which of the following is a High level disinfectant?

A:-70% Ethyl alcohol

B:-Hydrogen peroxide

C:-Quaternary ammonium compound

D:-Phenol

Correct Answer:- Option-B

Question32:-Who is known as the 'Father of Antiseptic surgery'?

A:-Joseph Lister

B:-Louis Pasteur

C:-Edward Jenner

D:-Robert Koch

Correct Answer:- Option-A

Question33:-Polymerase Chain Reaction (PCR) was developed by

A:-Ernst Ruska

B:-Rosalyn Yallow

C:-Kary B Mullis

D:-Karl Landsteiner

Correct Answer:- Option-C

Question34:-Which of the following is not a feature of Electron Microscope?

A:-Viruses can be detected

B:-The object appears bright against a dark background

C:-Intra cellular structures of bacteria can be seen

D:-Electromagnet lens is used

Correct Answer:- Option-B

Question35:-Infectious plastic wastes should be segregated in which colour bag?

A:-White

B:-Yellow

C:-Blue

D:-Red

Correct Answer:- Option-D

Question36:-Which of the following is an anaerobic medium

A:-Thioglycollate broth

B:-Selenite F broth

C:-Bile broth

D:-Tetrathionate broth

Correct Answer:- Option-A

Question37:-Multiple ring forms are the characteristic feature of

A:-P.vivax

B:-P.falciparum

C:-P.Ovale

D:-P.malariae

Correct Answer:- Option-B

Question38:-Which of the following has no cystic stage?

A:-Trichomonas vaginalis

B:-Giardia lamblia

C:-Enteromonas hominis

D:-Dientamoeba fragilis

Correct Answer:- Option-A

Question39:-An AIDS patient came to the out patient dapartment complaining loos

stools. On acid fast staining, stool showed 4-6μm size oocyst. The most probable

diagnosis is

A:-Cryptococcus

B:-Cyclospora

C:-Cystoisospora

D:-Cryptosporidium

Correct Answer:- Option-D

Question40:-Which of the following is NOT a nematode with small intenstine as

habitat

A:-Ascaris lumbricoides

B:-Ancylostoma duodenale

C:-Enterobius vermicularis

D:-Necator americanus

Correct Answer:- Option-C

Question41:-Larva currens is caused by

A:-Toxocara canis

B:-Toxocara cati

C:-Ascaris lumbricoides

D:-Strongyloides stercoralis

Correct Answer:- Option-D

Question42:-Which of the following DO NOT float in saturated salt flotation

technique of stool

A:-Fertilised egg of round worm

B:-Unfertilised egg of round worm

C:-Ovum of pinworm

D:-Ovum of hook worm

Correct Answer:- Option-B

Question43:-Diarrheal stool with rice water appearance is a characteristic feature of

the disease

A:-typhoid

B:-bacillary dysentery

C:-cholera

D:-travellers diarrhea

Correct Answer:- Option-C

Question44:-Inverted fir tree appearing growth pattern in gelatin stabb culture is

related to

A:-B. anthracis

B:-Y.pestis

C:-P.aeruginosa

D:-B.cereus

Correct Answer:- Option-A

Question45:-Streptobacillus monoliformis causes

A:-Haverhill fever

B:-Pneumonia

C:-Meningitis

D:-Brazilian Purpuric fever

Correct Answer:- Option-A

Question46:-Example of motile Gram positive bacillus is

A:-Anthrax bacillus

B:-Cl. perfringens

C:-Cl. tetani

D:-Cl.Septicum

Correct Answer:- Option-D

Question47:-Friedlanders bacillus is

A:-K. pneumoniae

B:-M. tuberculosis

C:-S.typhi

D:-P.aeruginosa

Correct Answer:- Option-A

Question48:-Example of transport media is

A:-Mc Leod's medium

B:-DCA

C:-Stuart's medium

D:-Mac Conkeys medium

Correct Answer:- Option-C

Question49:-"Reynolds - Braude" phenomenon is related to

A:-C.tropicalis

B:-C.krusei

C:-C.pseudotropicalis

D:-C.albicans

Correct Answer:- Option-D

Question50:-Aflatoxin is produced by

A:-Rhzopus

B:-Aspergillus fumigatus

C:-Aspergillus flavus

D:-Histoplasma capsulatum

Correct Answer:- Option-C

Question51:-South American Blasto mycosis is

A:-Histoplasmosis

B:-Paracoccidioidomycosis

C:-Cryptococcosis

D:-Coccidioidomycosis

Correct Answer:- Option-B

Question52:-Ring worm of the foot is

A:-Tinea corporis

B:-Tinea cruris

C:-Tinea capitis

D:-Tinea pedis

Correct Answer:- Option-D

Question53:-Torulosis is caused by

A:-C.neoformans

B:-B.dermatitidis

C:-P.brasiliensis

D:-C.immitis

Correct Answer:- Option-A

Question54:-Sabouraud's Dextrose agar does not contain

A:-dextrose

B:-peptone

C:-agar

D:- yeast extract

Correct Answer:- Option-D

Question55:-Causative agent of "Shipyard eye" is

A:-Herpes virus

B:-Echo virus

C:-Adeno virus

D:-Arbovirus

Correct Answer:- Option-C

Question56:-Infectious Hepatitis is

A:-Type B Hepatitis

B:-Type A Hepatitis

C:-Type C Hepatitis

D:-Type D Hepatitis

Correct Answer:- Option-B

Question57:-HIV belongs to the family

A:-Herpesvirus

B:-Flavivirus

C:-Parvovirus

D:-Retrovirus

Correct Answer:- Option-D

Question58:-Example of DNA virus is

A:-Adenovirus

B:-Retrovirus

C:-Corona virus

D:-Picornavirus

Correct Answer:- Option-A

Question59:-Inclusion bodies seen in case of "fowl pox" are

A:-Lipschutz bodies

B:-Guarnieri bodies

C:-Molluscum bodies

D:-Bollinger bodies

Correct Answer:- Option-D

Question60:-Tzanck cells seen in microscopic examination of the lesions in case of

infection with

A:-Pox virus

B:-Herpes virus

C:-Mumps virus

D:-Togavirus

Correct Answer:- Option-B

Question61:-The main component of glass is

A:-Silicon trioxide

B:-Silicon dioxide

C:-Sodium dioxide

D:-Calcium silicate

Correct Answer:- Option-B

Question62:-Which acid is used in the preparation of chromic acid

A:-Hcl

B:-

C:-

D:-

Correct Answer:- Option-B

Question63:-Needle prick injury belongs to

A:-Physical hazard

B:-Chemical hazard

C:-Biological hazard

D:-Electric hazard

Correct Answer:- Option-C

Question64:-Pririe acid is stored

A:-in closed cabinet

B:-Under water

C:-crack proof containers

D:-at ground level

Correct Answer:- Option-B

Question65:-Still is used for the preparation of

A:-Reagents

B:-Distilled water

C:-Acids

D:-All of the above

Correct Answer:- Option-B

Question66:-Unit of Luminous intensity is

A:-Ampere

B:-Candela

C:-Kelvin

D:-Mole

Correct Answer:- Option-B

Question67:-Gram equivalent weight of a solute in a litre of solution is termed as

A:-Molar solution

B:-Normal solution

C:-Percent solution

D:-Molal solution

Correct Answer:- Option-A

Question68:-Suitable antioagulant for blood gas analysis is

A:-EDTA

B:-Sodium citrate

C:-Heparin

D:-Double oxalate

Correct Answer:- Option-C

Question69:-Gray coloured vacutainer tube stopper indicate the anticoagulant

A:-EDTA

B:-Heparin

C:-Sodium fluoride-potassium oxalate

D:-Citrate

Correct Answer:- Option-C

Question70:-Chemical wastes are collected in which colour coded bag before

disposal

A:-Black

B:-Blue

C:-Red

D:-Yellow

Correct Answer:- Option-A

Question71:-For determination of electrolyte concentration, the instrument used is

A:-fluorimeter

B:-flame photometer

C:-spectrophotometer

D:-Luminometer

Correct Answer:- Option-B

Question72:-Which of the following radioactive isotope is used to measure the

activity of tyroid gland?

A:-Cobalt-60

B:-Carbon-14

C:-Iodine-131

D:-Sodium-24

Correct Answer:- Option-C

Question73:-Henderson-Hasselbach equation is

A:-

B:-

C:-

D:-None of these

Correct Answer:- Option-A

Question74:- of plasma is

A:-6.8 - 8.4

B:-7.3 - 7.4

C:-5.8 - 6.2

D:-7.1 - 7.9

Correct Answer:- Option-B

Question75:-In thin layer chromatography, the stationary phase is

A:-Paper

B:-Cellulose

C:-Resins

D:-Gas

Correct Answer:- Option-B

Question76:-The electrostatic interaction between charged proteins and matrix is

involved in

A:-Thin layer chromatography

B:-Ion exchange chromatography

C:-Molecular sieve chromatography

D:-None of these

Correct Answer:- Option-B

Question77:-In dry chemistry analysers, the reaction is measured by

A:-Flame photometry

B:-Colosemetry

C:-Reflectance spectrophotometry

D:-All of the above

Correct Answer:- Option-C

Question78:-Closeness to the true value is

A:-Accuracy

B:-Precision

C:-Sensitivity

D:-None of these

Correct Answer:- Option-A

Question79:-In accurate pepetting, belongs to which of the following?

A:-Pre analytical error

B:-Analytical error

C:-Post analytical error

D:-All the above

Correct Answer:- Option-B

Question80:-Red coloured vacutainer tube contain,

A:-EDTA

B:-No any anticoagulant

C:-Heparin

D:-Double oxalate

Correct Answer:- Option-B

Question81:-Estimation of serum level of which of the following parameters helps in

differentiation between salivary gland lesions and pancreatic disease?

A:-Alkaline phosphatase

B:-Amylase

C:-C-Reactive protein

D:-Lipase

Correct Answer:- Option-D

Question82:-Using Friedewald equation the LDL cholesterol value can be calculated

if we know the values of

A:-Total cholesterol and HDL cholesterol

B:-Total cholesterol and VLDL cholesterol

C:-Total cholesterol, HDL cholesterol and Triglycerides

D:- Total cholesterol, HDL cholesterol and VLDL cholesterol

Correct Answer:- Option-C

Question83:-Estimation of serum concentration of 25-hydroxy vitamin D is useful in

cases of

A:-Megaloblastic anemia

B:-Night blindness

C:-Osteomalacia

D:-Pernicious anemia

Correct Answer:- Option-C

Question84:-Urinary ALA (delta amino levulinic acid) excretion is normal in which of

the following disorders

A:-Acute intermittent porphyria

B:-ALA dehydratase deficiency

C:-Lead poisoning

D:-Variegate porphyria

Correct Answer:- Option-D

Question85:-The Michaelis constant is numerically equal to the substrate

concentration when the velocity of the reaction catalysed is equal to

A:-Vmax

B:-Vmax/2

C:-2 × Vmax

D:-Zero

Correct Answer:- Option-B

Question86:-Which of the following is true regarding kinetic assays in comparison to

end point assays

A:-Good accuracy and precision

B:-Can be done on ordinary photometers

C:-Cheaper

D:-More time required

Correct Answer:- Option-A

Question87:-Creatine phospho kinase MB isoenzyme is assayed for diagnosis of

disorder of the

A:-Brain

B:-Heart

C:-Liver

D:-Kidney

Correct Answer:- Option-B

Question88:-Thyroid stimulating hormone level estimation is commonly performed

A:-End point assay

B:-Immuno assay

C:-Kinetic assay

D:-Potentiometry

Correct Answer:- Option-B

Question89:-In eukaryotes the initiator codon codes for which of the following

amino acids?

A:-Methionine

B:-Threonine

C:-Tryptophan

D:-Valine

Correct Answer:- Option-A

Question90:-The substance identified by using RTPCR is

A:-Antibody

B:-Antigen

C:-DNA

D:-RNA

Correct Answer:- Option-D

Question91:-The enzyme used for creation of a gene library is

A:-Restriction endonuclease

B:-Reverse transcriptase

C:-Telomerase

D:-Topoisomerase

Correct Answer:- Option-A

Question92:-Adequacy of collection of a 24 hour urine specimen is analysed by

noting the value of

A:-Albumin

B:-Creatinine

C:-Urea

D:-Uric acid

Correct Answer:- Option-B

Question93:-Interference of red blood cells in CSF protein analysis is avoided by

A:-Centrifugation

B:-Dilution 1:10

C:-Filtration

D:-Precipitation

Correct Answer:- Option-A

Question94:-The indicator used for determination of free acidity in gastric juice is

A:-Methyl orange

B:-Methyl red

C:-Phenolphthalein

D:-Topfer's reagent

Correct Answer:- Option-D

Question95:-The most common types of kidney stones are

A:-Calcium oxalate

B:-Cystine

C:-Struvite

D:-Uric acid

Correct Answer:- Option-A

Question96:-In serum protein electrophoresis, the globulin fraction with the slowest

rate of migration is

A:-Alpha 1

B:-Alpha 2

C:-Beta

D:-Gamma

Correct Answer:- Option-D

Question97:-The immunoglobulin class important in secondary immune response is

A:-IgA

B:-IgD

C:-IgG

D:-IgM

Correct Answer:- Option-C

Question98:-The enzyme present in enzyme-labelled antibodies used in ELISA

technique is

A:-5-nucleotidase

B:-Alanine aminotransferase

C:-Alkaline phosphatase

D:-Aspartate aminotransferase

Correct Answer:- Option-C

Question99:-The best index of long-term (6-8 weeks) control of blood glucose level

A:-Fasting Plasma Glucose

B:-Fructosamine

C:-Glycated Hemoglobin

D:-Urine Microalbumin

Correct Answer:- Option-C

Question100:-The common specimens used for drug abuse testing in employees

are all of the following except

A:-Hair

B:-Nail

C:-Saliva

D:-Urine

Correct Answer:- Option-B

Check These also

Job News

Latest Job Notifications Check HERE

Gulf Job News Check Here

Exam Preparation

Best Books for Competitive Exams

Download the Syllabus for all exams

SCERT Textbooks Kerala Download

Malayalam GK Notes

previous Question Papers

Download printable OMR Sheet PDF for practice

Study Tips

14 February 2025

[Solved paper] Laboratory Technician Grade II Kerala PSC Previous Question Paper|103/2023 Previous Question paper Kerala PSC