This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Forensic Medicine
How many cusps are present in chewing surface of premolars ? 
Select and explain. 
A. 2, B. 3, C. 4, D. 5
A: 2
Answer: A: 2 
Explanation: 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.