Go through the following statements
(i) HCG from placenta stimulates the sertoli cells of the male foetus to produce testosterone and is thus indirectly ivolved in the development of male external genitalia
(ii) Sertoli cells secrete a protein called inhibin, which suppresses FSH synthesis.
(iii) Humans have haemo-endothelial type of placenta.
(iv) oxytcin stimulates the placenta to secrete prostaglandins which in turn stimulate more contractions of uterus.
Which of these correct?

Options

A. (i) & (iv)
B. (ii) & (iv)
C. (i), (ii) & (iv)
D. All are correct

Answer

B

Explanation

HCG stimulates Leydig cells to secrete testosterone. Human placenta is hoemo-chorial.