Explore topic-wise MCQs in Medical Subjects .

This section includes 245 Mcqs, each offering curated multiple-choice questions to sharpen your Medical Subjects knowledge and support exam preparation. Choose a topic below to get started.

1.

Which of the following teeth have more than one occlusal form____________?

A. Maxillary 1st premolar
B. Maxillary 2nd premolar
C. Maxillary 1st molar
D. Mandibular 1stmolar
Answer» D. Mandibular 1stmolar
2.

Which of the following tooth shows largest Mesio- buccal ridge _____________?

A. Maxillary 1st premolar
B. Maxillary 2nd premolar
C. Mandibular 1st molar
D. Mandibular 2nd premolar
Answer» B. Maxillary 2nd premolar
3.

Which of the premolars is usually the smallest____________?

A. Maxillary first
B. Maxillary second
C. Mandibular first
D. Mandibular second
Answer» D. Mandibular second
4.

Which of the portions of the intra articular disc is the thinnest ?

A. Anterior
B. Intermediate
C. Posterior
D. retrodiscal
Answer» C. Posterior
5.

Which of these teeth are highly sturdy and usually the last ones to be lost ?

A. First molar
B. Central incisors
C. Canines
D. Premolars
Answer» D. Premolars
6.

Which statement is correct about decidous dentition?

A. Calcification of maxillary primary first premolar is completed at birth
B. Mandibular first molar erupts at one and half years of age
C. The crowns of primary dentition are more yellowish than permanent
D. The primary dentition is initiated at 10th month in uterus
Answer» C. The crowns of primary dentition are more yellowish than permanent
7.

Which teeth the proximal aspect shows rhomboidal appearance________________?

A. Maxillary posteriors
B. Mandibular posteriors
C. Maxillary anteriors
D. Mandibular anteriors
Answer» C. Maxillary anteriors
8.

Which teeth show less curvature on the crown above the cervical line than any other teeth_____________?

A. Maxillary anterior
B. Mandibular canine
C. Mandibular anteriors
D. Maxillary canine
Answer» D. Maxillary canine
9.

While charting the dentition of a child, the pedodontist finds that the following teeth are present in all the four quadrants; permanent central incisor , permanent lateral incisor , decidous cuspid , decidous first molar, decidous 2nd molar and permanent 1st molar. The eruptive pattern may be considered most nearly normal for a child aged_____________?

A. 3-6 years
B. 7-10 years
C. 11-14 years
D. 15- 18 years
Answer» C. 11-14 years
10.

With respect to their permanent successors the sum of the mesidodistal diameters of the first and second decidous molar is generally ____________?

A. Less
B. Greater
C. The same
D. Not related
Answer» C. The same
11.

Which of the following premolars has a mesial marginal ridge more cervical than the distal marginal ridge________________?

A. Maxillary 1st premolar
B. Maxillary 2ndpremolar
C. Mandibular 1st premolar
D. Mandibular 2nd premolar
Answer» D. Mandibular 2nd premolar
12.

Which of the following permanent teeth is usually bilaterally symmetric when viewed labially and incissaly ______________?

A. Mandibular lateral incisor
B. Mandibular canine
C. Mandibular central incisor
D. Maxillary central incisor
Answer» D. Maxillary central incisor
13.

Which of the following muscles moves the condyle and articular disc anterior and downwards on glenoid fossa______________?

A. Lateral pterygoid
B. Medial pterygoid
C. Temporalies- anterior fibers
D. Temporalis – posterior fibers
Answer» B. Medial pterygoid
14.

Which of the following muscle helps in depressing the mandible ___________?

A. Temporalis
B. Massetor
C. Lateral pterygoid
D. Medial pterygoid
Answer» D. Medial pterygoid
15.

Which of the following movement (s) is / are involved in the opening of the mouth?

A. Only hinge ( rotation )
B. Only translation
C. Hinge followed by translation
D. Translation followed by hinge
Answer» D. Translation followed by hinge
16.

Which of the following moment are performed by a non- working condyle ?

A. Straightward
B. Down wards forwards and lateral
C. Down wards forwards and medial
D. Down wards Back wards and medial
Answer» C. Down wards forwards and medial
17.

Which of the following is true of permanent first molar’s occlusal surface_____________?

A. Maxillary molar has 2 major fossa, 2 minor fossa, 4 triangular ridges,1 oblique ridge and 5 grooves
B. Mandibular molar has 1 major fossa, 2 minor fossa, 5 triangular ridges and 4 grooves
C. Rhomboidal shape in maxillary molars and hexagonal shape in Mandibular molars
D. All of the above
Answer» E.
18.

Which of the following is true for permanent teeth________________?

A. Maxillary roots are inclined distally where as Mandibular roots are inclined mesially
B. Maxillary molars are buccally inclined and Mandibular molars are inclined lingually
C. Buccal cusps of lower and lingual cusps of upper are the functional cusp
D. All of the above
Answer» E.
19.

Which of the following is true about calcification of teeth ?

A. Calcification of primary teeth is almost complete at time of birth
B. Calcification of all primary teeth and few permanent teeth complete at birth
C. Calcification of all permanent teeth complete at birth
D. Calcification of primary teeth starts around birth
Answer» B. Calcification of all primary teeth and few permanent teeth complete at birth
20.

Which of the following is the largest root_____________?

A. The lingual root of a maxillary first molar
B. The lingual root of a maxillary second molar
C. The root of a mandibular canine
D. The root of a maxillary canine
Answer» E.
21.

Which of the following is not a structural element of the temporomandibular joint ?

A. Sigmoid notch
B. Articular disc
C. Capsular ligament
D. Joint cavities
Answer» B. Articular disc
22.

Which of the following is dental formula of a 9 years old child_____________?

A. 6 EDC21/ 6EDC21
B. 6EDCBA/ 6EDC21
C. EDC21/EDC21
D. 76EDC21/ 7EDC21
Answer» B. 6EDCBA/ 6EDC21
23.

Which of the following is a smallest posterior tooth______________?

A. Maxillary first premolar
B. Mandibular first premolar
C. Maxillary second premolar
D. Mandibular second premolar
Answer» C. Maxillary second premolar
24.

Which of the following has the maximum faciolingual diameter of the crown__________?

A. Decidous maxillary 2nd molar
B. Decidous maxillary 1st molar
C. Decidous mandibular 2nd molar
D. Decidous mandibular 1st molar
Answer» B. Decidous maxillary 1st molar
25.

Which of the following has a nonfunctional cusp ?

A. Mandibular canine
B. Maxillary second premolar
C. Mandibular first premolar
D. None of the above
Answer» D. None of the above
26.

Which of the following has a bifid root ?

A. 32,42
B. 31,41
C. 34,44
D. 13,23
Answer» D. 13,23
27.

Which of the following gives the best description of erupted permanent teeth typically seen in a 9- years old______________?

A. Only molars
B. All teeth except third molars
C. 1,2,4,5,6,7 in all quadrants
D. 1,2,6 in all quadrants
Answer» E.
28.

Which of the following features of a permanent maxillary lateral incisor aids in distinguishing it from a mandibular lateral incisor ?

A. Flattened root
B. More pronounced lingual fossa
C. Thinner incisal ridge
D. Sharper proximal incisal angles
Answer» C. Thinner incisal ridge
29.

Which of the following do not contribute to arch stability ?

A. Cusps
B. Root forms
C. Embrasures
D. Periodontal fibers
Answer» D. Periodontal fibers
30.

Which of the following decidous molars bears the greatest resemblance to a premolar _____________?

A. Maxillary first
B. Maxillary second
C. Mandibular first
D. Mandibular second
Answer» B. Maxillary second
31.

Which of the following are the unctions of contact areas______________?

A. Distribution of occlusal stresses
B. Protection of periodontium
C. Stabilization of dental arches
D. All of the above
Answer» E.
32.

Which muscle is responsible for translation of condyle ?

A. Medial pterygoid
B. Masseter
C. Superior constrictor of pharynx
D. Lateral pterygoid
Answer» E.
33.

Which line angle area is most acute when a permanent maxillary second molar is viewed occlusally ?

A. Mesiofacial
B. Distofacial
C. Mesiolingual
D. Distolingual
Answer» B. Distofacial
34.

Which is the predominant factor in the formation of the alveolar process_____________?

A. Eruption of teeth
B. Normal process of growth
C. Lengthening of the condyle
D. Overall growth of the bodies of the maxilla and the mandible
Answer» B. Normal process of growth
35.

Which four mandibular teeth are so aligned that when viewed from the occlusal, a straight line may be drawn bisecting the contact areas_____________?

A. 5,6,7,8
B. 4,5,6,7
C. 3,4,5,6
D. 2.3.4.5
Answer» B. 4,5,6,7
36.

Which cusp is poorly developed in a permanent maxillary second molar_____________?

A. DB
B. DL
C. MB
D. ML
Answer» C. MB
37.

Which bifurcation is closet to the cervical line (or) which surface has short root trunk length in a maxillary permanent first molar ?

A. Buccal
B. Mesial
C. Distal
D. None of the above
Answer» C. Distal
38.

Which anterior teeth have both mesial and distal contact areas of at the incisal third____________?

A. Mandibular centrals
B. Mandibular laterals
C. Both A and B
D. None of the above
Answer» D. None of the above
39.

Which among the following is NOT a common finding of the decidous dentition ?

A. Tight contacts, absence of spacing
B. Shallow overjet and overbite
C. Flush terminal plane
D. Ovoid arch form
Answer» B. Shallow overjet and overbite
40.

When viewed occlusally, a primary mandibular second molar closely resembles which of the following mandibular teeth ?

A. Permanent second molar
B. Permanent first molar
C. Second premolar
D. Primary first molar
Answer» C. Second premolar
41.

When a molar has no opposing tooth, it can become_______________?

A. Extruded
B. Intruded
C. Protruded
D. Retruded
Answer» B. Intruded
42.

What is the thickness of the layer of primsless enamel found in primary teeth_____________?

A. 25 μm
B. 50μm
C. 75μm
D. 100μm
Answer» B. 50μm
43.

What is the functional form of anterior teeth from the mesial or the distal aspect ?

A. Rhomboidal
B. Trapezoidal
C. Elliptical
D. Wedge- shaped
Answer» E.
44.

What is the amount of time required by erupting premolar to move through 1 mm of bone as measured on a bite – wing radigraph ?

A. 3-4 months
B. 4-5 months
C. 5-6 months
D. 6-7 months
Answer» C. 5-6 months
45.

Using occlusal morphology as guide , the Mandibular third molar is most similar to______________?

A. Maxillary permanent first molar
B. Mandibular permanent first molar
C. Mandibular permanent second molar
D. Mandibular decidous second molar
Answer» D. Mandibular decidous second molar
46.

Upper 4 resembles 5 from which aspect ?

A. Buccally
B. Lingually
C. Occlusal
D. Proximally
Answer» B. Lingually
47.

Tritubercular cusps are_______________?

A. ML
B. MB
C. DB
D. All of the above
Answer» E.
48.

Transverse ridge is prominent on occlusal surface of which of the following decidous teeth ?

A. Mandibular first molar
B. Maxillary first molar
C. Mandibular second molar
D. Maxillary second molar
Answer» B. Maxillary first molar
49.

Tooth with most variable occlusal anatomy________________?

A. Maxillary third molar
B. Mandibular third molar
C. Maxillary second premolar
D. Mandibular second premolar
Answer» B. Mandibular third molar
50.

Tooth with smallest root is_______________?

A. Maxillary central incisor
B. Mandibular lateral incisor
C. Maxillary lateral incisor
D. Mandibular central incisor
Answer» E.