How many cusps are present in chewing surface of premolars

How many cusps are present in chewing
surface of premolars ?
a) 2
b) 3
c) 4
d) 5
Correct Answer - A
Ans. is ‘a’ i.e., 2
Premolars or bicuspids
They have two cusps on the chewing surface of teeth. The root is
usually single but may be double