A. Spore formation
B. Decreased virulence
C. Prevent their phagocytosis
D. Oxygen effect
Related Mcqs:
- Which of the following conditions is characterized by cafe-au-lait spots, non-encapsulation and potential for malignant transformation___________?
A. Neurilemmoma
B. Neurofibroma
C. Traumatic Neuroma
D. Solitary plasmocytoma - Anaerobic bacteria can be cultured in__________________?
A. L-J medium
B. Robertson cooked meat medium
C. Loefflers medium
D. Sabourauds agar - Sporulation occurs in__________________?
A. Lag phase
B. Log phase
C. Stationary phase
D. Decline phase - Bacteria reproduce mainly by______________?
A. Budding
B. Binary fission
C. Sporing
D. Bacterial components produced by host cells - Organ of locomotion in bacteria is________________?
A. Fimbria
B. Flagella
C. Capsule
D. Cell wall - Which regards to temperature requirement, most pathogenic bacteria are_____________?
A. Psychrophiles
B. Mesophiles
C. Cryophiles
D. Thermophiles - 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 - Bacteria acquire characteristics by all the following except_______________?
A. Through plasmids
B. Incorporating part of host DNA
C. Through bacteriophages
D. Through conjugation - 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 - 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
