(A) Blue, red
(B) Red, blue
(C) Red, black
(D) Black, purple
Tag: Basic Microbiology Mcqs Questions
Microorganisms can be phagocytosed after?
(A) Opsonization
(B) Hydrolysis
(C) Cytolysis
(D) Ingestion
“Turbidity test” for milk is used to detect its:
(A) Pasteurization
(B) Sterilization
(C) Contamination
(D) Lactobacillus contents
Koch’s old tuberculin is preserved in:
(A) 70% formalin
(B) 50% glycerine
(C) 2% phenol
(D) Absolute alcohol
The major mechanism of the lethal effect of UV light on bacteria is attributed to its effect on:
(A) Ribosome
(B) Lysosome
(C) Mesosome
(D) DNA
The following is the direct stain for capsule:
(A) Fleming’s Nigrosin method
(B) Dry India ink film method
(C) Welch method
(D) Both “A” and “B”
Spores of which of the following are used as a microbiological test of dry heat efficiency:
(A) Toxigenic strains of E. coli
(B) Toxigenic strains of Clostridium tetani
(C) Non-toxigenic strains of Clostridium tetani
(D) Non-toxigenic strains of Proteus
Soiled dressings are destroyed by:
(A) Hot air oven
(B) Autoclaving
(C) Boiling
(D) Incineration