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Resistance of Staphylococcus aureus is due to ________________________?

(A) Pleomorphism

(B) Elaboration of an enzyme that destroy penicillin

(C) Penicillin analogue production

(D) Lack of nucleic acid in the cell wall

Submitted By: Ali Uppal


Common inhabitant of throat and tonsils is______________?

(A) Alpha hymolytic streptococci (S. viridans)

(B) Staphylococci

(C) Beta hemolytic streptococci

(D) Pneumococci

Submitted By: Ali Uppal


One of the following is a zoonotic disease_____________?

(A) Anthrax

(B) Typhoid

(C) Bacillary dysentery

(D) Cholera

Submitted By: Ali Uppal


The facultative anaerobic bacteria are those who are_______________?

(A) Unable to grow in the presence of oxygen

(B) Unable to grow in the absence of oxygen

(C) Able to grow in the presence of carbon dioxide

(D) Able to grow in the presence of absence of oxygen

Submitted By: Ali Uppal


The commonly used fluorescent dye in the detection of tubercie bacilli________________?

(A) Acridine orange

(B) Thioglavin

(C) Congo red

(D) Auramine and Rhodamine

Submitted By: Ali Uppal


Nagglers reaction is used in the diagnosis of______________?

(A) Malaria

(B) Whooping cough

(C) Gas gangrene

(D) Wool sorters disease

Submitted By: Ali Uppal


Loss of capsule in bacteria is generally associated with______________?

(A) Decease in virulence

(B) Loss of infectivity

(C) Inability to spread through tissue

(D) increase in invasiveness

Submitted By: Ali Uppal


Submitted By: Ali Uppal


Encapsulation in bacteria helps in__________________?

(A) Spore formation

(B) Decreased virulence

(C) Prevent their phagocytosis

(D) Oxygen effect

Submitted By: Ali Uppal


Phage conversion is required for________________?

(A) Tularemia

(B) Diptheria

(C) Gonorrhoea

(D) All o f the above

Submitted By: Ali Uppal