Kerala PSC Previous Years Question Paper & Answer

Title : Scientific Officer - Chemical Examiners Laboratory
Question Code : A

Page:9


Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Scientific Officer - Chemical Examiners Laboratory' And exam conducted in the year 2021. And Question paper code was '040/2021'. 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: 9 out of 16
Excerpt of Question Code: 040/2021

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040/21

Passive immunity is obtained by injecting
A) Antibiotics B) Antigens C) Antibodies D) Vaccines

Mobilization of stored iron occurs in which of the following sequences ?

A) Ferritin of RE system — Ferritin of intestinal mucosal cells - Absorption from
Intestine

8) Ferritin of intestinal mucosal cells -> Absorption from intestine > Ferritin of RE
system

©) Ferritin of RE system — Absorption from intestine - Ferritin of intestinal
mucosal cells

D) Absorption from intestine -> Ferritin of intestinal mucosal cells ‏۔‎ Ferritin of RE
system

Which one of the following statements about the urea cycle is correct ?

A) The two nitrogen atoms that are incorporated into urea enter the cycle as
ammonia and alanine

B) Urea is produced directly by the hydrolysis of ornithine

C) ATP is required for the reaction in which argininosuccinate is cleaved to form
arginine

D) Urinary urea is increased by a diet rich in protein

Shine-Delgarno sequence is present in which of the following RNA ?
A) tRNA B) mRNA C) rRNA D) SnRNA

The suprasegmental feature juncture is related to
A) Intonation B) Duration C) Stress D) Tone

Which of the following are examples of physiological biometric ?

1. Retina

2. Thermogram

3. Keystroke dynamics

A) 1 and 3 only 8) 1,2and3 ©) 2and3 only D) 1 and 2 only

Which of the following are useful to determine location of a given mobile device ?
1. Time Difference of Arrival

2. Time of Arrival

3. Enhanced Observed Time Difference

A) 1, 2 3 8) 1 and 2 only ©) 1 and3 only 0) 2 and 3 only

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