Grape bunch shaped colonies are seen in______________?
A. Streptococcus
B. Staphylococcus
C. E.coli
D. Gonococci
Medical Mcqs
Which of the following enzyme is required to induce the formation of a plasma clot pathogenic staphylococci_____________?
Which of the following enzyme is required to induce the formation of a plasma clot pathogenic staphylococci_____________?
A. Lysozyme
B. Fibrinolysin
C. Coagulase
D. S protein
Bacteria acquire characteristics by all of the following except___________________?
Bacteria acquire characteristics by all of the following except___________________?
A. Though plasmids
B. Incorporating part of host DNA
C. Through bacteriophages
D. through conjugation
Bacteria with potent exotoxin is_______________?
Bacteria with potent exotoxin is_______________?
A. Clostridium tetani
B. Pseudomonas
C. Shigella
D. Klebsiella
Wasserman test test is diagnostic of__________________?
Wasserman test test is diagnostic of__________________?
A. Syphilis
B. Gonorrhea
C. TB
D. Tyhoid
Phage conversion is required for________________?
Phage conversion is required for________________?
A. Tularemia
B. Diptheria
C. Gonorrhoea
D. All o f the above
Anaerobic bacteria grow_______________?
Anaerobic bacteria grow_______________?
A. in the presence of oxygen
B. in the presence of nitrogen
C. in the absence of oxygen
D. differential media
The bacterial cell wall has all of the following properties except______________?
The bacterial cell wall has all of the following properties except______________?
A. It consists of a mixed polymer called peptidoglycon
B. It is the structure principally responsible for the reaction of gram staining
C. It is a unique flexible plastic structure
D. It contains D-isomers of amino acids
Each of the following can cause food poisoning except________________?
Each of the following can cause food poisoning except________________?
A. Cl. difficile
B. Staphylococcus
C. Cl. welchii
D. Cl. botulinum
The following are applicable to bacterial genoms except________________?
The following are applicable to bacterial genoms except________________?
A. It is composed of DNA
B. It doe not contain histones
C. It is circular
D. Its DNA has both introns and extrons