Kerala PSC Previous Years Question Paper & Answer

Title : MICROBIOLOGIST
Question Code : A

Page:10


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: 10 out of 11
Excerpt of Question Code: 075/2017/OL

C:-Whiskers
D:-Black spot
Correct Answer:- Option-D

Question86:-Which is the anaerobic bacterial species that produces a neurotoxin that is found associated with insufficient
canning processes?

A:-Bacillus cereus
-Clostridium botulinum
C:-Desulfovibrio sp
D:-Desufatomaculum sp
Correct Answer:- Option-B
Question87:-Which among the following is the spoilage symptom caused by Erwinia Carotovora in vegetables?
A:-Soft rot
B:-Grey spot
C:-Angular spot
D:-Ropiness
Correct Answer:- Option-A
Question88:-Detection of which of the compound in fish would reveal the spoilage occurrence?
A:-TMAO.
B:-TMA
C:-PUFA
D:-TTX
Correct Answer:- Option-B
Question89:-Paralytic shellfish poisoning is caused by
A:-Saxitoxin by Gonyaulax catenella
-Neurotoxin by dinoflagellates
C:-Serotoxin by diatoms
D:-None of the above
Correct Answer:- Option-A
Question90:-Which is the crhomatographic system that is used for analyzing samples with volatile activity?
A:-TLC
B:-Paper chromatography
C:-GLC
D:-lon exchange chromatography
Correct Answer:- Option-C

Question91:-Which is the most probable food poisoning organism that is associated with the complications arising out of the
consumption of the Japanese food ''sushi''?

A:-Camylobacter jejuni
B:-Vibrio Cholarae
C:-Pseudomonas aruginosa
D:-Vibrio parahaemolyticus
Correct Answer:- Option-D
Question92:-In a chemostat what is the dilution rate, if the flow rate is 50 ml per hr and the volume of the vessel is 500 ml?
A:-0.1 per hr
B:-10.0 per hr
:-0.01 per hr
D:-25000 per hr
Correct Answer:- Option-A
Question93:-Which of the fungus causes ergotism?
A:-Claviceps purpurea
B:-Rhizopus stolanifer
:-Aspergillus flavus
D:-Fusarium oxysporum
Correct Answer:- Option-A
Question94:-The starting material for the production of "Rum" is
A:-Wheat
B:-Barley
C:-Grapes
D:-Molasses
Correct Answer:- Option-D

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