315.Tome's granular layer is seen in

a.Enamel
b.Pulp
c.Cementum
d.Dentin root

Ans-d.Dentin root

314.Advanced bell stage is an important stage of

a.Histodifferiantation
b.Morphodifferentiation
c.Apposition
d.Initiation

Ans-Morphodifferentiation

247.Great sanitary awakening took place in

a.England
b.America
c.east Asia
d.Russia

Ans-England

Explanation-Ref park 18th ed pg 4