A. Slender mesiodistally
B. Slender anteroposteriorly
C. Bulkier mesiodistally
D. Buliker anteroposteriorly

A. Grooves
B. Fissures
C. Cusps
D. All of the above

A. Mandibular 1st molar
B. Mandibular2nd molar
C. Maxillary 2nd molar
D. None of the above

A. One
B. Two
C. Three
D. Four

A. Primary roots show less a accessory and lateral canals
B. Primary roots resorb more easily
C. Primary roots are shorter
D. None of the above

A. Wide and deep
B. Shallow and narrow
C. Wide and narrow
D. Shallow and wide

(A) Mandibular first molar
(B) Maxillary first molar
(C) Mandibular second molar
(D) Maxillary second molar

(A) Mesiolingual
(B) Distolingual
(C) Mesiobuccal
(D) Distobuccal

(A) Permanent central incisors
(B) Decidous maxillary central incisors
(C) Permanent maxillary canines
(D) Permanent mandibular lateral incisors

(A) In prism arrangement
(B) in mineral content
(C) No difference in enamel, difference in dentin
(D) None of the above