Microbiology Mcqs

Encapsulation in bacteria helps in__________________?

• (A)  Spore formation
• (B)  Decreased virulence
• (C)  Prevent their phagocytosis
• (D)  Oxygen effect

Answer

Submitted By :Ali Uppal

Phage conversion is required for________________?

• (A)  Tularemia
• (B)  Diptheria
• (C)  Gonorrhoea
• (D)  All o f the above

Answer

Submitted By :Ali Uppal

Wasserman test test is diagnostic of__________________?

• (A)  Syphilis
• (B)  Gonorrhea
• (C)  TB
• (D)  Tyhoid

Answer

Submitted By :Ali Uppal

Bacteria with potent exotoxin is_______________?

• (A)  Clostridium tetani
• (B)  Pseudomonas
• (C)  Shigella
• (D)  Klebsiella

Answer

Submitted By :Ali Uppal

Bacteria acquire characteristics by all of the following except___________________?

• (A)  Though plasmids
• (B)  Incorporating part of host DNA
• (C)  Through bacteriophages
• (D)  through conjugation

Answer

Submitted By :Ali Uppal

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

Answer

Submitted By :Ali Uppal

Grape bunch shaped colonies are seen in______________?

• (A)  Streptococcus
• (B)  Staphylococcus
• (C)  E.coli
• (D)  Gonococci

Answer

Submitted By :Ali Uppal

which of the following is anaerobic_______________?

• (A)  E.coli
• (B)  Bacteroides
• (C)  Pseudomonas
• (D)  Klebsiella

Answer

Submitted By :Ali Uppal

Inactivated microorganisms are used in the manufacture of which of the following________________?

• (A)  Salk vaccine
• (B)  Tetanus toxoid
• (C)  Sabin’s oral vaccine
• (D)  All of the above

Answer

Submitted By :Ali Uppal

The major intestinal pathogens which are non-lactose fermenters are_________________?

• (A)  Salmonella
• (B)  Klebsiella
• (C)  Escherichia
• (D)  Paracolons

Answer

Submitted By :Ali Uppal