(A) Incremental lines of retzius
(B) Incremental lines of von Ebner
(C) Contour lines lines of owen
(D) None of the above

(A) Booster Mechanism
(B) Seeding theory
(C) Alkaline Phosphatase theory
(D) Cartier/s Adenosine Triphosphate theory

(A) 25th day of Intra uterine life
(B) 34th day of Intra uterine life
(C) 56th day of Intra uterine life
(D) 20 wks of Intra uterine life

(A) Enamel prismatic arrangement
(B) Dentinal tubule arrangement
(C) Primary and secondary dentin
(D) Mineral content

(A) Type I
(B) Type II
(C) Type III
(D) Type IV

(A) Permanent teeth
(B) Deciduous teeth
(C) Succedaneous teeth
(D) None of the above

(A) Reduced enamel epithelium
(B) Dental papilla
(C) Inner enamel epithelium
(D) Dental sac

(A) Osteoblast
(B) Fibrocytes
(C) Polymorphs
(D) Osteoclasts

(A) Fat
(B) Mucin

(C) Cartilage
(D) Iron

(A) By using 10% formalin
(B) By using liquid or solid Co2
(C) By using increasing percentages of alcohol
(D) By using 5% nitric acid