Kerala PSC Previous Years Question Paper & Answer
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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.
A:-Thiocyanate
B:-Dioxine
C:-Sanguinarine
D:-Trimethy! amine
Correct Answer:- Option-C
Question39:-During the production of beer making, in which of the following step the non soluble unfermentable
carbohydrates from the cereals are hydrolyzed into soluble fermentable materials?
A:-Mashing
B:-Malting
C:-Hop addition
D:-Wort processing
Correct Answer:- Option-A
Question40:-What is milk plasma?
A:-Milk without lactose
B:-Milk without casein
C:-Milk without fat globules
D:-Milk without whey
Correct Answer:- Option-C
Question41:-Name the psychotrophic bacteria belonging to enterobacteriaceae that causes enteric infection
A:-Shigella Flexneri
B:-Yersinia enterocolitica
C:-Enterobacter fecalis
D:-Escherichia Coli
Correct Answer:- Option-B
Question42:-Which is the toxic protein present in ''Killer yeast" that has adverse effect on beneficial yeast?
A:-Mycocide
B:-Bactocide
C:-Zymocide
D:-Saccharocide
Correct Answer:- Option-C
Question43:-Which is the new taxonomical name given to the bottom fermenting yeast "Saccharomyces carlsbergensis''?
A:-Saccharomyces uvarum
B:-Saccharomyces pastorianus
:-Saccharomyces udum
D:-Saccharomyces lactis
Correct Answer:- Option-B
Question44:-The scientist who first developed pure culture of yeast for the production of beer
A:-Brefeld
B:-Joseph Lister
C:-Emil Hansen
D:-Louis Pasteur
Correct Answer:- Option-C
Question45:-Select the sequence of downstream processing involved in most of the production process of antibiotics
A:-Filtration - Solvent Extraction - Crystallization - Drying
B:-Solvent Extraction - Filtration - Crystallization - Drying
C:-Filtration - Crystallization - Solvent Extraction - Drying
D:-Crystallization - Solvent Extraction - Filtration - Drying
Correct Answer:- Option-A
Question46:-Indonesian Tempeh is a processed food derived from
A:-Rice
B:-Soybean
:-Groundnut
D:-Wheat
Correct Answer:- Option-B
Question47:-Name the bacterial species with the presence of an active pyruvate carboxylase enzyme
A:-Pseudomonas aeruginosa
B:-Lactobacillus brevis
C:-Streptococcus lactis
D:-Zymomonas 1700115