Refer to the given figures of types
of teeth (P, Q, R and S) in human beings.
Select the correct option regarding them.
AS is used in tearing of food while P is used in cutting or biting of food.
BQ is total 8 in number while R is total 12 in number in human jaws.
CR type of teeth is absent in milk teeth and it appears in second set of teeth i.e., permanent teeth.
DP is total 2 in number while S is total 4 in number.