Endometrial hyperplasia is seen in:: (A) Endodermal sinus tumor, (B) Dysgerminoma, (C) PCOD, (D) Ca cervix
Answer is C. Endometral hyperplasia specially simple hyperplasia results from circumstances in which there is prolonged, increased oestrogen production example:

Follicular cysts of ovary
PCOD
Granulosa and theca cells
HRT