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.

201.

Distobuccal cusp of 27 falls into ______________?

A. Embrasure of 37 & 38
B. Embrasure of 36 & 37
C. Mesial pit of 37
D. Immediately incisal to cingulam
Answer» B. Embrasure of 36 & 37
202.

Distal contact of upper first premolar is________________?

A. Lower than mesial contact area
B. Little cervical to junction of occlusal and middle third of crown
C. Higher than mesial contact area
D. A and B
Answer» E.
203.

Difference between primary and permanent enamel is_______________?

A. In prism arrangement
B. in mineral content
C. No difference in enamel, difference in dentin
D. None of the above
Answer» B. in mineral content
204.

Difference between mandibular and maxillary premolars is that in the mandibular premolars ?

A. The buccal and lingual cusps are more prominent
B. The lingual cusp is sharper and longer
C. The lingual surface rounded and less developed
D. The buccal surface is rounded and less developed
Answer» D. The buccal surface is rounded and less developed
205.

Desmodont is another name for_____________?

A. The tooth with one wall pocket
B. Tooth with three walled pocket
C. periodontal ligament
D. Dehiscence
Answer» D. Dehiscence
206.

Depression of mandible is achieved by_______________?

A. Digastric
B. Lateral pterygoid
C. Geniohyoid
D. All of the above
Answer» E.
207.

Dentition of humans is_______________?

A. Herbivorous
B. Omnivorous
C. Carnivorous
D. None of the above
Answer» C. Carnivorous
208.

Dentin islands are frequently found in the root canals of which of the following permanent teeth ?

A. Maxillary lateral incisor & mandibular canine
B. Maxillary 2nd premolar & maxillary 1st molar
C. Maxillary 2nd premolar & mandibular canine
D. Maxillary 1st molar & mandibular 2nd premolar
Answer» D. Maxillary 1st molar & mandibular 2nd premolar
209.

Cusp of carbelli is present on ________ surface of the permanent maxillary molar ?

A. Mesial surface
B. Palatal surface
C. Buccal surface
D. Mesial half of the palatal surface
Answer» E.
210.

Cusp of carbaelli can be considered a normal finding on____________?

A. Decidous mandibular 1st molar
B. Decidous maxillary 1st molar
C. Decidous maxillary 2nd molar
D. Decidous mandibular 2nd molar
Answer» D. Decidous mandibular 2nd molar
211.

Curve passing through the buccal and lingual cusp tips of the mandibular buccal teeth is______________?

A. Wilson curve
B. Mansoon curve
C. Curve of spee
D. Caternary curve
Answer» B. Mansoon curve
212.

Crown formation of all permanent teeth except third molars is completed between_____________?

A. Birth to 8 years
B. Birth to 12 years
C. Birth to 6 years
D. 6 years to 12 years
Answer» B. Birth to 12 years
213.

Corner stones of dental arches are:

A. Canines
B. First premolars
C. First molars
D. Second molars
Answer» D. Second molars
214.

Contact areas of anterior teeth which are placed in centre of middle third ____________?

A. Mesial contacts of maxillary lateral and canine
B. Distal contacts of maxillary centrals and laterals
C. Distal contacts of maxillary laterals and canine
D. Mesial contacts of maxillary first and second premolar
Answer» D. Mesial contacts of maxillary first and second premolar
215.

Conjoint tendon is formed by _________?

A. External and internal oblique
B. External oblique and transversus abdominis
C. Internal oblique and transversus abdominis
D. Internal oblique
Answer» D. Internal oblique
216.

Cervical cross section of maxillary first premolar is_____________?

A. Dumbell
B. Kidney shape
C. Elliptical
D. Oval
Answer» C. Elliptical
217.

Cervical bulge. True is____________?

A. Enamel rods at cervical region directed occlusally
B. Results in constriction at cervical region
C. Is characteristic of decidous teeth
D. All of the above
Answer» D. All of the above
218.

Calcification of third molar begins at__________________?

A. 8 months
B. 18 months
C. 8 years
D. 16 years
Answer» D. 16 years
219.

Calcification of permanent first molar usually begins in the_____________?

A. Third month of intrauterine life
B. In the sixth month of intrauterine life
C. At birth
D. In the third month of extra uterine life
Answer» D. In the third month of extra uterine life
220.

Calcification of roots of decidous teeth is completed by_____________?

A. 2 years
B. 4 years
C. 6 years
D. 8 years
Answer» C. 6 years
221.

Calcification of all teeth except last molars are completed by____________?

A. 2 years
B. 4 years
C. 6 years
D. 8 years
Answer» E.
222.

Buccal surface of posterior teeth are wider than lingual surface mesiodistally except in______________?

A. Maxillary first molar
B. Mandibular second premolar
C. Mandibular first molar
D. Maxillary second premolar
Answer» B. Mandibular second premolar
223.

Beginning of eruption of permanent tooth starts_____________?

A. After completion of root
B. When apical third root is still to be formed
C. When half of the root is still to be formed
D. when root formation starts
Answer» D. when root formation starts
224.

Before eruption the position of permanent mandibular incisor buds relative to primary incisors is_____________?

A. Superior and facial
B. Inferior and facial
C. Superior and lingual
D. Inferior and lingual
Answer» E.
225.

Basically TMJ is a_____________?

A. Ball and socket joint
B. Hinge and axis joint
C. Synovial joint
D. Diartmodal joint
Answer» E.
226.

Average of length of maxillary cuspid is______________?

A. 26 mm
B. 33 mm
C. 21 mm
D. 18 mm
Answer» B. 33 mm
227.

At birth the following teeth are calcifying____________?

A. Primary incisors & first molar
B. Primary canines & second molars
C. Permanent canines
D. Permanent 3rd molar
Answer» B. Primary canines & second molars
228.

As compared to permanent tooth , root formation in primary tooth______________?

A. Take less time
B. Take more time
C. Same time
D. Is complete when tooth erupts in oral cavity
Answer» B. Take more time
229.

Articular disc of tmj receives insertion from which muscle______________?

A. Medial pterygoid
B. Lateral pterygoid
C. Massetor
D. Temporalis
Answer» C. Massetor
230.

Articular disc of TMJ is__________?

A. Thickest posteriorly
B. Narrow in the centre
C. Strengthened by lateral pterygoid
D. All of the above
Answer» E.
231.

An imaginary occlusal curve that contacts the buccal and lingual cusp tips of mandibular buccal teeth is called the _____________?

A. Catenary curve
B. Curve of spee
C. Monson curve
D. Wilson curve
Answer» E.
232.

An 8 – yr old child comes to your clinic with large front teeth having jagged margins, what is the treatment plan for this patient ?

A. Smoothen the jagged margins and apply fluoride varnish
B. Build up other teeth to large size
C. Extraction of big teeth
D. Assure him and send him back
Answer» E.
233.

Among the difference between teeth in the decidous and the permanent dentition is that_____________?

A. Buccal surfaces of the permanent molars are flatter
B. Cervical ridges are more pronounced in permanent molars
C. Root trunks of decidous teeth are larger compared with their overall root lengths
D. Crowns of decidous incisors are wider mesiodistally than their cervico incisal lengths
Answer» E.
234.

All of the following muscles are elevators of the mandible except______________?

A. Digastric
B. Massetor
C. Medial pterygoid
D. Temporalis
Answer» B. Massetor
235.

All embrasure spaces are reflection of the______________?

A. Form of the teeth involved
B. Size of the teeth involved
C. Eruption sequence involved
D. None of the above
Answer» B. Size of the teeth involved
236.

All are true about calciotraumatic line, except______________?

A. Due to caries
B. Due to death of odontoblastic layer
C. It remains after caries is removed
D. Because of odontoblastic migration from cell rich zone
Answer» C. It remains after caries is removed
237.

Acute angled cusps in permanent maxillary first molar are_____________?

A. DB and ML
B. MB and DL
C. MB and DB
D. ML and DL
Answer» C. MB and DB
238.

According to Schour & Massler the crown completion of both permanent maxillary and mandibular first molars is________________?

A. 1½ 2 years
B. 2½ – 3 years
C. 3-4 years
D. 3-5 years
Answer» C. 3-4 years
239.

A six- year molar begins to calcify at______________?

A. Six months IU
B. At birth
C. 1 years after birth
D. 3 years age
Answer» C. 1 years after birth
240.

A radiograph of 4- years old child reveals no evidence of calcification of mandibular second pre molar. This indicates______________?

A. It is too early to make final predication
B. The teeth may develop later
C. Primary second molar extracted to allow mesial drifting of permanent first molar
D. The child may never develop premolars
Answer» C. Primary second molar extracted to allow mesial drifting of permanent first molar
241.

A pronounced developmental groove is usually present on the mesial marginal ridge of a permanent________________?

A. Mandibular third molar
B. Mandibular second premolar
C. Maxillary second molar
D. Maxillary first premolar
Answer» E.
242.

A new tooth is erupting in the mouth of a one and a half year old child. This tooth is most likely to be a decidous___________?

A. Maxillary central incisor
B. Mandibular lateral incisor
C. Maxillary lateral incisor
D. Maxillary canine
Answer» E.
243.

A maxillary right canine may be distinguished from a maxillary left canine because ____________?

A. The root curves to mesial in the apical 1/3rd
B. The distal half of canine shows more convexity than the mesical half
C. Facially the cusp tip is placed distal to Bisecting line
D. Lingually the cervical line slopes mesially
Answer» C. Facially the cusp tip is placed distal to Bisecting line
244.

A distinguishing characteristic of a maxillary first premolar that identifies it as right or left is the________________?

A. Height of the lingual cusp
B. Mesial inclination of the lingual cusp
C. Flattened area beneath the contact on the distal surface
D. Greater length of the mesial cusp ridge on the lingual cusp ( AIPG- 98)
Answer» C. Flattened area beneath the contact on the distal surface
245.

A child has 12 permanent and 12 decidous teeth, what is his age____________?

A. 8½ years
B. 11½ years
C. 4½ years
D. 13½ years
Answer» B. 11½ years