381. Plaque microflora can-split carbohydrates. What does it means?
A. Saccharolytic
B. Saprophytic
C. Virulent
D. Avirulent

382. Which of the following represents soluble polysaccharide found in dental plaque and is formed from the fructose moiety of sucrose?
A. Levan
B. Dextran
C. Amylopectin
D. Hyaluronic acid

383. Progression of dental caries caries on pit and fissure occurs from:
A. Apex of the pit and fissure
B. Wide and of the pit and fissure
C. Lateral surface of the pit and fissure
D. Bottom of the pit and fissure

384. Which of the following is cariostatic?
A. Selenium
B. Magnesium
C. Cadmium
D. Molybdenum

385. Liquefaction foci of Miller is a histopathological observation in:
A. Cemental caries
B. Early enamel caries
C. Advanced enamel caries
D. Advanced dentinal caries

386. Streptococcus mutans produces an adhesive polymer from sucrose, known as:__________?
A. Levans
B. Lectins
C. Glucans
D. Polyfructose

387. The gelatinous deposit adherent on the tooth surface is called as:__________?
A. Materia alba
B. Plaque
C. Calculus
D. All of the above

388. Most demineralised zone in enamel caries:____________?
A. Translucent zone
B. Body of lesion
C. Dark zone
D. Surface zone

389. Most used selective medium for streptococcus mutans is:____________?
A. Mac conkey medium
B. Mitis salivarius bacitracin agar
C. Nutrient agar
D. Tellurite medium

390. The cells most frequently found in a granuloma are:___________?
A. Mast cells
B. Giant cells
C. Lymphocytes
D. Neutrophilic