1. Acellular cementum is typically found in_____________?
A. Coronal half of root
B. Apical half of root
C. Apex of root
D. Entire root
✅ The correct answer is option A. Coronal half of root.
Oral Histology
2. Epithelium of oral mucous membrane is_______________?
A. Keratinized
B. Non keratinized
C. Ortho, para and non keratinized
D. Only para keratinized
✅ The correct answer is option C. Ortho, para and non keratinized.
3. Partially keratinized papilla is_______________?
A. Fungiform
B. Filiform
C. Circumvallate
D. Foliate
✅ The correct answer is option B. Filiform.
4. Gubernacular canal and gubernacular cord are seen in relation to____________?
A. Permanent teeth
B. Deciduous teeth
C. Succedaneous teeth
D. None of the above
✅ The correct answer is option C. Succedaneous teeth.
5. The connective tissue of the gingiva is known as the______________?
A. Lamina dura
B. Dental cuticle
C. Lamina propria
D. Fibroblasts
✅ The correct answer is option C. Lamina propria.
6. The primary function of the dental pulp is____________?
A. Nutritive
B. Production of dentin
C. Production of enamel
D. Vascular supply to the teeth
✅ The correct answer is option B. Production of dentin.
7. Gubernacular canal guides the eruption of_____________?
A. Primary teeth
B. Permanent teeth
C. Both A and B
D. None of the above
✅ The correct answer is option B. Permanent teeth.
8. The cap stage in tooth development is characterized by_____________?
A. morphodifferentiation
B. reversal of functional polarity
C. Formation of hammock ligament
D. Increased mitotic activity
✅ The correct answer is option D. Increased mitotic activity.
9. Dentinogenesis by odontoblasts first begins at_____________?
A. Pulpal end
B. Cusp tip
C. Tooth bud stage
D. Cervical area
✅ The correct answer is option B. Cusp tip.
10. Functional importance of maxillary sinus is______________?
A. Lightening of skull weight and production of bactericidal lysozyme to the nasal cavity
B. Protects the brain against exposure to cold air by arresting air in sinus temporarily
C. Resonance of voice and enhancement of faciocranial resistance to mechanical shock
D. All of the above
✅ The correct answer is option D. All of the above.