This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pharmacology
Bone tumour that typically affects the epiphysis of a long bone? NOT RELATED-OHO 
Select and explain. 
A. Osteosarcoma, B. Ewing's sarcoma, C. Chondroblastoma, D. Chondromyxoid fibroma
C: Chondroblastoma
Answer: C: Chondroblastoma 
Explanation: Rare neoplasmTypically located in epiphysis of long boneOther epiphyseal origin tumors are:i. Osteoblastomaii. Subchondral cyst