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in Psychology by (65.7k points)

The ovaries 

A. Begin to develop ova at puberty when acted on by FSH. 

B. Are required for cyclical menstrual activity. 

C. Must have double follicular rupture if identical twins are conceived. 

D. Cease to respond to FSH after the menopause. 

E. Secrete hormones which constrict uterine vessels.

1 Answer

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A. False The immature ova are formed before birth and no more are developed after birth. 

B. True Because of their secretion of oestrogen and progesterone. 

C. False Identical twins are derived from a single ovum. 

D. True Follicles disappear and are replaced by fibrous tissue. 

E. False Withdrawal of ovarian hormones leads to vasoconstriction.

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