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
All of these secrete hormone, except 
Select and explain. 
A. Choriocarcinoma, B. Dysgerrninoma, C. Seminoma, D. All
B: Dysgerrninoma
Answer: B: Dysgerrninoma 
Explanation: Ans. is b i.e. Dysgerminoma Dysgerminoma : "The tumor is neutral and does not secrete either male or female sex hormones but secretes placental alkaline phosphatase, lactate dehydrogenase and beta hCG. Seminoma Secretes (3 HCG Teratoma Secretes 3 HCG Choriocarcinoma Secretes 13 HCG