Beta HCG is secreted by -: (A) Ovary, (B) Pituitary, (C) Corpus luteum, (D) Placenta
Answer is D. 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.