(A) storage in a freezer
(B) storage in a refrigerator on an agar slant
(C) storage on a petri plate at room temperature
(D) storage in a freezer at ultra-low temperatures
Tag: General Microbiology Mcqs
Salmonella from fecal sample is isolated using:
(A) Crowded-plate technique
(B) Pour plate technique
(C) Enrichment culture technique
(D) Gradient-plate technique
Isolation of pure culture refers to __.
(A) Purification of culture
(B) Separation of a single colony
(C) Introduction of inoculum
(D) To grow microorganism on a surface
Petri dish/plate is commonly labeled:
(A) On the bottom-side of plate
(B) On the top of plate
(C) On the side of plate
(D) On the inside of plate
MacConkey agar is an example of:
(A) Enriched medium
(B) Selective medium
(C) Differential medium
(D) Both ‘B’ and ‘C’
Oldest eukaryotic organisms are considered to be:
(A) Archaea
(B) Diplomonads like Giardia
(C) Fungi
(D) Animals
What will be CFU/ml if colonies per plate = 75, Dilution = 10-7 and volume added per plate 0.5ml?
(A) 1.5 x 10 power 7
(B) 1.5 x 10 power 9
(C) 1.5 x 10 power 8
(D) 7.5 x 10 power 9
The temperature at which the rate of reproduction is most rapid is known as __.
(A) Optimum growth temperature
(B) Minimum growth temperature
(C) Maximum growth temperature
(D) None of the above