A:-Aspergillus niger
B:-Aspergillus flavus
C:-Penicillium chyrsogenum
D:-Sacharomyces cerevisiae
B:-Aspergillus flavus
C:-Penicillium chyrsogenum
D:-Sacharomyces cerevisiae
Correct Answer:- Option-A
2:-Which of the following methods is used to demonstrate antibiotic sensitivity?
A:-Roll tube technique
B:-Slide Culture technique
C:-Stokes' method
D:-Standard Plate count
B:-Slide Culture technique
C:-Stokes' method
D:-Standard Plate count
Correct Answer:- Option-C
3:-Strain improvement for industrial fermentation can be achieved by which of the following methods
A:-Parasexual hybridization
B:-UV mutagenesis
C:-Protoplast fusion
D:-All of the above
B:-UV mutagenesis
C:-Protoplast fusion
D:-All of the above
Correct Answer:- Option-D
4:-Downstream process is used for
A:-Extraction of product
B:-Preparation of media
C:-Sterilization of media
D:-None of the above
B:-Preparation of media
C:-Sterilization of media
D:-None of the above
Correct Answer:- Option-A
5:-Hiss's serum water medium is used to study fermentation reactions in case of which of the following bacteria?
A:-Staphylococcus aureus
B:-Streptococcus pneumoniae
C:-E. Coli
D:-Salmonella typhi
B:-Streptococcus pneumoniae
C:-E. Coli
D:-Salmonella typhi
Correct Answer:- Option-B
6:-The colonies of E. coli growing on EMB agar appear as _________.
A:-Dark centered colonies with green metallic sheen
B:-Pink coloured colonies with dark centres
C:-Yellow coloured colonies
D:-Blue colonies
B:-Pink coloured colonies with dark centres
C:-Yellow coloured colonies
D:-Blue colonies
Correct Answer:- Option-A
7:-Flagella seen in Vibrio cholerae can be described as __________.
A:-Peritrichous flagella
B:-Bipolar
C:-Lophotrichous
D:-Single polar flagellum
B:-Bipolar
C:-Lophotrichous
D:-Single polar flagellum
Correct Answer:- Option-D
8:-Which of the following descriptions best suits a mycorrhizae?
A:-Symbiotic association between a fungus and an algae
B:-Symbiotic association between an actinomycete and fungus
C:-Symbiotic association between a fungus and roots of a vascular plant
D:-None of the above
B:-Symbiotic association between an actinomycete and fungus
C:-Symbiotic association between a fungus and roots of a vascular plant
D:-None of the above
Correct Answer:- Option-C
9:-Nisin is defined as which one of the following?
A:-Nucleotide, toxic to nerves
B:-Peptide, lantibiotic used as food preservative
C:-Carbohydrate with antimicrobial properties
D:-None of the above
B:-Peptide, lantibiotic used as food preservative
C:-Carbohydrate with antimicrobial properties
D:-None of the above
Correct Answer:- Option-B
10:-The ratio of the water vapour pressure of food substrate to the vapour pressure of pure water at the same temperature is known as __________.
A:-Water activity
B:-Water pressure
C:-Partial pressure of water
D:-None of the above
B:-Water pressure
C:-Partial pressure of water
D:-None of the above
Correct Answer:- Option-A
0 Comments
Post a Comment