(A) Coagulase test
(B) Phosphatase test
(C) Catalase test
(D) Gram-negative
Tag: Basic Microbiology Mcqs Questions
Hot cold phenomenon is seen due to which toxin of staphylococci:
(A) Alpha hemolysin
(B) Beta hemolysin
(C) Gamma hemolysin
(D) Theta hemolysin
A person from village is complaining of development of pustules. Extract from pus has shown Gram-positive cocci, showing hemolysis, catalase negative, identified as a group of streptococci. Following test is used:
(A) Bacitracin sensitivity
(B) Novobiocin sensitivity
(C) Optochin sensitivity
(D) Hemolysis test
Quelling phenomenon is seen in:
(A) Pneumococcus
(B) Streptococcus
(C) Staphylococcus
(D) Hemophilus
Streptococci causing dental caries:
(A) Streptococcus pyogenes
(B) Streptococcus mutans
(C) Streptococcus pneumoniae
(D) Streptococcus bovis
Lancefield grouping of streptococci is done using:
(A) M protein
(B) Group C carbohydrate antigen
(C) Group C peptidoglycan cell wall
(D) M antigen
Staphylococcus aureus secretes all, EXCEPT:
(A) Lipase
(B) Cellulose
(C) Coagulase
(D) Lecithinase
Eight months after prosthetic valve replacement, which of the following pathogen can cause infective endocarditis?
(A) Staphylococcus aureus
(B) Staphylococcus epidermidis
(C) Streptococcus viridans
(D) All of these