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: Dental
In primates; a tooth with single conical cusp and
single root is seen in: 
Select and explain. 
A. Haplodont, B. Heterodont, C. Acrodont, D. Thecodont
A: Haplodont
Answer: A: Haplodont 
Explanation: None