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: Gynaecology & Obstetrics
Presence of more than two germ cell layer in a tumor is called : 
Select and explain. 
A. Dysgerminoma, B. Teratoma, C. Theca cell tumor, D. Seminoma
B: Teratoma
Answer: B: Teratoma 
Explanation: Teratoma