Bacteria with tuft of flagella at one end are called_______________?

Related Mcqs:

1. Multiple drug resistance of bacteria depends on which of the following_______________?

   A. Resistance transfer factor (RTF)
   B. Colicigenic factor (Col)
   C. Fertility factor (F+)
   D. All of the above

2. Detergents used to disinfect dental instruments in the office kill bacteria by interfering with functional of the cell______________?

   A. wall
   B. nucleus
   C. membrane
   D. Capsule

3. Cell wall deficient bacteria are_______________?

   A. Escherichia Coli
   B. Staphylococci
   C. Spirochetes
   D. Mycoplasma

4. The component that sensitizes bacteria and virus to UV irradiation_______________?

   A. Lipids
   B. Carbohydrates
   C. Inorganic salts
   D. Nucleic acids

5. Anaerobic bacteria can be cultured in__________________?

   A. L-J medium
   B. Robertson cooked meat medium
   C. Loefflers medium
   D. Sabourauds agar

6. Which regards to temperature requirement, most pathogenic bacteria are_____________?

   A. Psychrophiles
   B. Mesophiles
   C. Cryophiles
   D. Thermophiles

7. Which of the following characteristics of bacteria is not true?

   A. Unicellular
   B. Free living
   C. Having either DNA or RNA
   D. Cell wall containing muramic acid

8. Electron microscopic examination of the bacterial flora of necrotising ulcerative gingivitis indicates the presence of microorganisms within non-necrotic tissues in advance of other bacteria. The organisms involved are______________?

   A. Cocci
   B. Spirochetes
   C. Bacteriophages
   D. Filamentous rods

9. Bacteria with potent exotoxin is_______________?

   A. Clostridium tetani
   B. Pseudomonas
   C. Shigella
   D. Klebsiella

10. Bacteria acquire characteristics by all of the following except___________________?

    A. Though plasmids
    B. Incorporating part of host DNA
    C. Through bacteriophages
    D. through conjugation