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
Cusp of carabelli is present on 
Select and explain. 
A. Permanent Maxillary 1st Molar, B. Permanent Mandibular 1st Molar, C. Permanent Maxillary 2nd Molar, D. Permanent Mandibular 2nd Molar
A: Permanent Maxillary 1st Molar
Answer: A: Permanent Maxillary 1st Molar 
Explanation: None