(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
Category: Microbiology Mcqs
Microbiology Mcqs for NTS, PPSC, FPSC, SPSC, KPPSC, AJKPSC, PMS, NAT, PTS, Educators, Lecturer and all other exams. Here users will find all the Mcqs related to Microbiology. Here users will find mcqs related to study of life and living organisms, living things in an ecosystem, study and structure of organs, study of cells, organisms interaction and their environment, , study of heredity, study of biological molecules, study of DNA and proteins, study of fossils and all microbiology mcqs will be available here.
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