Kerala PSC Previous Years Question Paper & Answer

Title : junior Lab Assistant
Question Code : A

Page:8


Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'junior Lab Assistant' And exam conducted in the year 2023. And Question paper code was '006/2023'. 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.

page: 8 out of 16
Excerpt of Question Code: 006/2023

06/23

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49.

Reagent for oxidase reaction of bacteria is

A) P-dimethyl amino benzaldehyde

B) Nessler’s reagent

0)
)

a-naphthol in ethanol

D) Tetra methyl p-phenylene diamine hydrochloride

Acid fastness of bacteria is due to the presence of

A) Mycolic acid
C) Carboxylic acid

The parasite of benign tertian malaria is
A) P. ovale
C) P. falciparum

In P. malariae infection, infected RBC show:
A) Jame’s dots
©) Ziemann’s dots

An example of clearing agent used for tissue pr
A) Cedar wood oil
C) Paraffin wax

Cold acetone is an example of
A) Nuclear fixative
C) Histochemical fixative

B) Flagellin
D) Slime layer

B) P. vivax
D) P. malariae

5
B) Maurer’s dots
D) Schuffner’s dots

rocessing in histopathology laboratory is
B) Ethanol
D) Isopropyl alcohol

B) Vapour fixative
D) Cytoplasmic fixative

is used as preservative in Mayer’s haematoxylin stain.

A) Sodium azide
C) Glycerol

B) Sodium iodate
D) Chloral hydrate

Stain used for hormonal evaluation in cytology is

൧) Cresyl violet
C) Acetic orcein

B) Shorr’s stain
D) Hand E stain

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