(A) The rate of diffusion
(B) The surface area/volume ratio
(C) The number of mRNAs that can be produced by the nucleus
(D) All of the above
Tag: General Microbiology Mcqs
Triple sugar iron test can be used for all EXCEPT:
(A) To differentiate b/w fermentation of lactose and sucrose
(B) To observe H2S production
(C) To observe gas production from glucose fermentation
(D) To differentiate b/w fermentation of glucose and lactose
All of followings are the sugars used in Triple sugar iron test to check their fermentation EXCEPT:
(A) Sucrose
(B) Glucose
(C) Lactose
(D) Dextrose
__ technique is used for isolation of antibiotic-producing microorganism from soil samples.
(A) Enrichment culture
(B) Pour plate
(C) Crowded-plate
(D) Streak plate
Antimicrobial activity of a NEW compound is checked against all the bacteria EXCEPT:
(A) Staphylococcus aureus
(B) Salmonella typhimurium
(C) Pseudomonas aeruginosa
(D) Escherichia coli
The process of killing all microorganisms along with their spores is __.
(A) Sterilization
(B) Sanitization
(C) Disinfection
(D) Antisepsis
Soil microbes serially degrade nitrogenous organic compounds derived from dead plants and animals to coverts them finally into NH3, the process is __.
(A) Denitrification
(B) Nitrogen fixation
(C) Nitrification
(D) Ammonification
Which of the following method is used for viable count of a culture?
(A) Plate-count method
(B) Membrane-filter count
(C) Plate-count method and membrane-filter count
(D) Direct microscopic count