This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Sex Hormones, Subject name: Physiology
Beta HCG is secreted by - 
Select and explain. 
A. Ovary, B. Pituitary, C. Corpus luteum, D. Placenta
D: Placenta
Answer: D: Placenta 
Explanation: Ans. is 'd' i.e., Placenta [Ref: Ganong 24th/ep. 414 & 23rd/ep. 424Jo b-HCG is secreted by placenta.o This question is a direct repeat from NBE based NEET 2012-13.