MCQS HOME 2020

All of the following organisms are known to survive intracellularly except_____________?

(A) Neisseria meningitides

(B) Salmonella typhi

(C) Streptococcus pyogenes

(D) Legionella pneumophila

Submitted By: Ali Uppal


Bacteria acquire characteristics by all the following except_______________?

(A) Through plasmids

(B) Incorporating part of host DNA

(C) Through bacteriophages

(D) Through conjugation

Submitted By: Ali Uppal


Borrelia vincenti is always associated with______________?

(A) Spirochaetes

(B) Fusiform bacilli

(C) Treponema vincenti

(D) None of the above

Submitted By: Ali Uppal


Negative staining is used to demonstrate________________?

(A) Bacterial spore

(B) Bacterial Flagella

(C) Bacterial capsule

(D) Bacterial fimbriae

Submitted By: Ali Uppal


The most common pathogens responsible for nosocomial pneumonias in the ICU are______________?

(A) Gram positive organisms

(B) Gram negative organisms

(C) Mycoplasma

(D) Virus infections

Submitted By: Ali Uppal


Test for differentiating virulent form non-virulent tubercular bacilli_____________?

(A) Aryl sulphatase test

(B) Niacin test

(C) Neutral red test

(D) Catalase peroxidase test

Submitted By: Ali Uppal


Cough plate method is used to identify________________?

(A) Y. pestis

(B) Pertussis

(C) Mycoplasma

(D) M-Tuberculosis

Submitted By: Ali Uppal


cAMP reaction is shown by which streptococci ?

(A) Group A

(B) Group B

(C) Group C

(D) Group D

Submitted By: Ali Uppal


Vibrio cholera was discovered by_________________?

(A) Koch

(B) Medintoff

(C) John snow

(D) Virchow

Submitted By: Ali Uppal


Staphylococcus does not causes_______________?

(A) Osteomyelitis

(B) Abscess

(C) Scarlet fever

(D) Pneumonia

Submitted By: Ali Uppal