499.A diamond in the shape of square based pyramid is used in

a.Knoop hardness test
b.Vicker hardness test
c.Shore and Barcol test
d.Rock well hardness test

Ans-b.Vicker hardness test

498.Another name for infectious mononucleosis is

a.Pfeieffer disease
b.Kissing disease
c.Both a and b
d.None


Ans-C.Both a and b Refer shafers 5th ed pg 1065

497.All of the following are radiopaque lesions except

a.Ameloblastic Fibroma
b.Ameloblastic Fibroodontoma
c.Cementoblastoma
d.Odontoma



Ans-a.Ameloblastic Fibroma