<prompt> The most radiosensitive tumor among the following is-Bronchogenic carcinomaCarcinoma parotidDysgerminomaOsteogenic sarcoma  <response>: Ans. is c i.e. Dysgerminoma Dysgerminoma is the ovarian counterpa of the seminoma of testis and is highly radiosensitive tumor similar to seminomas. Radiosensitivity of different tumors a Highly sensitive c Relatively resistant Lymphoma Squamous cell carcinoma of lung Seminoma Hypernephroma Myeloma Rectal carcinoma Ewings sarcoma Bladder carcinoma Wilms tumour Soft tissue sarcoma b Moderately sensitive Carcinoma of cervix Small cell lung cancer d Highly resistant Breast cancer Melanoma Basal cell carcinoma Osteosarcoma Medulloblastoma Pancreatic carcinoma Teratoma Ovarian cancer 