Which of the following is an acid-fast bacillus_____________?
(A) Mycobacterium bacilli
(B) Treponema pallidum
(C) Neisseria gonorrhea
(D) All of the above
Diphtheria is pathogenic only when infected with______________?
(A) Beta phage
(B) Alfa phage
(C) Lambda K12
(D) Delta Phage
The most common site where organisms are present in a typhoid carrier is______________?
(A) Spleen
(B) Gall Bladder
(C) Liver
(D) Salivary gland
Gram -ve bacteria stain during gram staining____________?
(A) Blue color
(B) Red color
(C) Green
(D) Colorless
Silver impregnation method of staining is useful to demonstrate_____________?
(A) Bacterial flagella
(B) Spirochetes
(C) Both of the above
(D) None of the above
The temperature required for cultivating mycobacterium________________?
(A) 2 degree
(B) 0 degree
(C) 27 degrees
(D) 37 degrees
Toxic shock syndrome is due to the following virulence factor_____________?
(A) M protein
(B) Pyrogenic exotoxin
(C) Streptolysin 0
(D) Carbohydrate cell wall
Endotoxin have all but one of the properties given below_______________?
(A) Produced by gram negative bacteria
(B) Produced by gram positive bacteria
(C) Not secreted outside the cell
(D) Cannot be toxoided
Organ of locomotion in bacteria is________________?
(A) Fimbria
(B) Flagella
(C) Capsule
(D) Cell wall
For uniform staining reaction, morphology and biochemical activity it is advisable to study bacterial cultures during the_____________?
(A) Lag phase
(B) Death phase
(C) Stationary phase
(D) Logarithmic phase