Microbiology Mcqs

Causative agents of Vincent’s angina_____________?

(A) Borrelia vincenti and fusobacterium fusiformis

(B) Borrelia recurrents and bateroides

(C) Borrelia burgoloferi and lactobacillus

(D) Leptospira and Treponema pallidum

Submitted By: Ali Uppal


Group A B-hemolytic streptococcal infection of the pharynx may be followed in some by_____________?

(A) Diphtheria

(B) Typhoid fever

(C) Rheumatic fever

(D) Syphilis

Submitted By: Ali Uppal


Which of the following is an acid-fast bacillus_____________?

(A) Mycobacterium bacilli

(B) Treponema pallidum

(C) Neisseria gonorrhea

(D) All of the above

Submitted By: Ali Uppal


Diphtheria is pathogenic only when infected with______________?

(A) Beta phage

(B) Alfa phage

(C) Lambda K12

(D) Delta Phage

Submitted By: Ali Uppal


The most common site where organisms are present in a typhoid carrier is______________?

(A) Spleen

(B) Gall Bladder

(C) Liver

(D) Salivary gland

Submitted By: Ali Uppal


Gram -ve bacteria stain during gram staining____________?

(A) Blue color

(B) Red color

(C) Green

(D) Colorless

Submitted By: Ali Uppal


Silver impregnation method of staining is useful to demonstrate_____________?

(A) Bacterial flagella

(B) Spirochetes

(C) Both of the above

(D) None of the above

Submitted By: Ali Uppal


The temperature required for cultivating mycobacterium________________?

(A) 2 degree

(B) 0 degree

(C) 27 degrees

(D) 37 degrees

Submitted By: Ali Uppal


Toxic shock syndrome is due to the following virulence factor_____________?

(A) M protein

(B) Pyrogenic exotoxin

(C) Streptolysin 0

(D) Carbohydrate cell wall

Submitted By: Ali Uppal


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

Submitted By: Ali Uppal