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: Radiology
Tumour, most sensitive to radiotherapy: March 2011, March 2013 (b, h) 
Select and explain. 
A. Yolk sac tumour, B. Embryonal cell tumour, C. Teratoma, D. Seminoma
D: Seminoma
Answer: D: Seminoma 
Explanation: Ans. D: Seminoma Highly radiosensitive tumours are 1) hodgkin's disease, 2) seminoma, 3) wilm's tumour and 4) medulloblastoma