Sunday, 5 July 2015

MCQS ORAL BIOLOGY

Q # 01 The following permanent tooth is most often congenitally missing from the
           arch:
               
           A.  Maxillary central incisor
            B.  Maxillary cuspid
            C.  Maxillary lateral incisor
            D.  Mandibular cuspid
            E.  Mandibular lateral incisor
            F.  Mandibular central incisor
                                                                                                                                    Key C
                                                                                                                                                                   
Q #02 The cells that will form the dentine differentiate from the ectomesenchyme of

            A.  Enamel organ
            B   Dental papilla
            C.  Reduced enamel epithelium
            D.  Stellate reticulum
            E.  HERS
                                                                                                                                    Key B
                                                                                                                                        
Q #03  The minimum number of lobes in development of human tooth is:

            A. 2
            B. 3
C. 4
            D. 5
            E. 6
                                                                                                                                    Key C
                                                                                                                                   
Q # 04 The function of the contact between two adjacent teeth is:
           
            A.  To aid in mastication by maintaining proper relationship with the opposing teeth
            B.  To protect the interdental papillae
            C.  To prevent drifting of the teeth
            D.  To prevent food impaction
            E.  All function are corect
                                                                                                                                    Key E

Q # 05 The first permanent anterior tooth to erupt is the:
            A.  Maxillary central incisor
            B.  Mandibular cuspid
            C.  Mandibular lateral incisor
            D.  Mandibular central incisor
            E.  Maxillary cuspid
                                                                                                                                    Key D

Q # 06 The cusp of Carabelli (Carabelli’s tubercle) is located on the:

            A.  Mandibular first molar
            B.  Maxillary second molar
            C.  Mandibular second molar
            D.  Maxillary second molar
            E.  Maxillary first molar
                                                                                                                                    Key A
                                                                                                                                                                       


Q # 07 The primary function of the dental pulp is:

            A.  Nutritive
            B.  Production of dentin
            C.  Sensory
            D.  Defensive
            E.  Protect Dentine
                                                                                                                                    Key B

Q # 08 The largest tooth in the mouth in upper arch:

            A.  Mandibular first molar
            B.  Maxillary third molar
            C.  Maxillary first molar
            D.  Mandibular second molar
            E.  Deciduous molar
                                                                                                                                    Key A


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