Kerala PSC Previous Years Question Paper & Answer

Title : MICROBIOLOGIST
Question Code : A

Page:6


Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'MICROBIOLOGIST' And exam conducted in the year 2017. And Question paper code was '075/2017/OL'. 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: 6 out of 11
Excerpt of Question Code: 075/2017/OL

Correct Answer:- Option-D
Question48:-The enzyme responsible for the conversion of starch into fermentable sugars in the beer making process is
A:-cellulase
B:-amylase
C:-glucanase
D:-maltase
Correct Answer:- Option-B
Question49:-The most important anaerobic bacterial species that causes meat putrefication is
A:-Bacillus cereus
B:-Clostridium perfringens
C:-Clostridium tetani
D:-Clostridium botulinum
Correct Answer:- Option-B
Question50:-Name the neurotoxin that is involved in lathyrism
A:-Trimethyl amine
B:-Trimethyl amine oxide
C:-Beta oxalyl amino alanine
D:-Sanguinarine
Correct Answer:- Option-C
Question51:-Select the temperature that can be tolerated by the emetic toxin of Bacillus cereus
A:-112°C
B:-85°C
C:-152°C
D:-126°C
Correct Answer:- Option-D
Question52:-Which among the following is the causative agent for shell fish poisoning?
A:-Gonyaulax Catenella
B:-Vibrio Parahaemolyticus
C:-Giardia lamblia
D:-Salmonella typhimurium
Correct Answer:- Option-A
Question53:-Select the critical limit of temperature as the CCP in the process steps of pasteurization in an HACCP plant for
liquid milk
A:-138 + 2°C
-55 ೬210
C:-77 42°C
D:-None of the above
Correct Answer:- Option-C
Question54:-VOD is caused by the toxin present in the seeds of which adulterant plant?
A:-Crotalaria nanaburn
B:-Panicum maximum
C:-Argemone Mexicana
D:-Arabidopsis Thaliana
Correct Answer:- Option-A
Question55:-Which of the following condition the disease ''Hyperkeratosis" is associated with?
A:-Acute arsenic exposure
-Chronic fluoride exposure
C:-Acute fluoride exposure
D:-Chronic arsenic exposure
Correct Answer:- Option-D
Question56:-Pink colour formation in oysters is due to the infestation with which of the following organism?
A:-Rhodotorula
B:-Rhosdospirillum
C:-Halobacterium
D:-Serratia
Correct Answer:- Option-C
Question57:-What do you mean by the term "fugu"?
A:-Algal poisoning
B:-Shell fish poisoning

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