which of the following are NOt homologous structures

1, which of the following are NOt homologous structures?a, ovaries ; testesb,labia majora; scrotumc, clitoris; spongy urethrad, paraurethral glands; bulbourethral glands.e, greater vestibular glands; bulbourethral glands2, the oogonium and the spermatogoniuma, develops directly from cells that develop in the gonadsb, are derived from the mesodermc, are derived from the ectodermd, are derived from the placentae, are derived from the yolk sack3, how does the reproductive system affect the skeletal systema, androgens inhibit the growth and maintenance of bonesb,androgens promote osteopeniac, androgens promote osteoporosisd, estrogen causes epiphyseal plates of both to close, ending growth in heighte, estrogen causes osteoporosis4,the american cancer society recommends that a woman should have a baseline mammogram taken, to serve as a comparison, between the ages ofa,20 and 24b, 25 and 29c, 30 and 34d, 35 and 39