Medical Mcqs

Gram -ve bacteria stain during gram staining____________?

(A) Blue color
(B) Red color
(C) Green
(D) Colorless

Submitted By :Ali Uppal

The difference between gram positive and negative bacteria lies in their_______________?

(A) cell wall
(B) cell membrane
(C) Nuclear material
(D) Mesosomes

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The commonest method of detection of diptheria carriers is_______________?

(A) Schick test
(B) Dick test
(C) Casoni’s test
(D) Charles’ test

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

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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

Organ of locomotion in bacteria is________________?

(A) Fimbria
(B) Flagella
(C) Capsule
(D) Cell wall

Submitted By :Ali Uppal

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

Submitted By :Ali Uppal

One of the following is a treponemal test for diagnosis of syphilis_____________?

(A) FTAB
(B) Widal test
(C) Wasserman test
(D) Kahn test

Submitted By :Ali Uppal

The genetic ability of a bacterium to grow in the presence of several antibiotics is passed in vivo from one bacterium to another by_____________?

(A) Conjugation
(B) Rarefaction
(C) Transduction
(D) Transformation

Submitted By :Ali Uppal

The virulence factors of Neisseria gonorrhea include all of the following except____________?

(A) Outer membrane proteins
(B) IgA Protease
(C) M-Proteins
(D) Pili

Submitted By :Ali Uppal

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