Kerala PSC Previous Years Question Paper & Answer

Title : Bacteriologist / Dairy Microbiologist - PART-I (GRL. CATEGORY) PART
Question Code :

Page:10


Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Bacteriologist / Dairy Microbiologist - PART-I (GRL. CATEGORY) PART ' And exam conducted in the year 2023. And Question paper code was '025/2023/OL'. Medium of question paper was in Malayalam or English . Booklet Alphacode was ''. 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: 025/2023/OL

Correct Answer:- Option-C
Question86:-The following starter culture is used for Koumiss making is
A:-Saccharomyces unisporus
Aspergillus flavus
C:-Coxiella burnetii
D:-Propionibacterium shermanii
Correct Answer:- Option-A
Question87:- is the principle substrates utilized by LAB for diacetyl production.
A:-Glucose
B:-Galactose
C:-Citrate
D:-Maltose
Correct Answer:- Option-C
Question88:- is a thermophilic dairy starter culture organism.
A;-Lactobacillus
B:-Lactococcus
C:-Leuconostoc
D:-Pediococcus
Correct Answer:- Option-A
Question89:- is not an obligately homofermentative starter culture organism.
A:-Lactobacillus paracasei
B:-Lactobacillus bulgaricus
C:-Lactobacillus kefiranofaciens
D:-Lactobacillus johnsonii
Correct Answer:- Option-A
Question90:-Which of the following starter cultures can utilize aesculin ?
A:-Leuconostoc cremoris
B:-Lactococcus lactis subsp. cremoris
C:-Streptococcus thermophilus
D:-Pediococcus acidilactici
Correct Answer:- Option-C
Question91:-Time required to destroy 90% of viable pathogenic organisms at specific temperature is called
A:-A-Value
Value
C:-D-Value
D:-Z-Value
Correct Answer:- Option-C
Question92:- is a sulphide-related spoilage sporeformer organism
A:-Clostridium nigrificans
B:-Clostridium tetani
C:-Clostridium perfringens
D:-Clostridium botulinum
Correct Answer:- Option-A
Question93:-Bioactive peptide can be released by
A:-Enzymatic hydrolysis by digestive enzymes
B:-Proteolysis by enzymes derived from microorganisms
C:-Food processing
D:-All the above
Correct Answer:- Option-D
Question94:-The maximum allowable number of defective sample units is represented by

Correct Answer:- Option-D
Question95:-Mycobacterium species, including M. paratuberculosis can be obtained from the patients suffering from
A:-Crohn's disease
B:-Johnson's disease
C:-Salmonellosis disease

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Bacteriologist / Dairy Microbiologist - PART-I (GRL. CATEGORY) PART : Video