Gonadal hormones: Hormones that are primarily produced by the gonads, which are the reproductive organs. In males, the gonads are the testes and the main gonadal hormone is testosterone, which belongs to the class of hormones called androgens. Females have the ovaries as gonads and the primary gonadal hormones are estrogen and progesterone. These hormones play crucial roles in the development and functioning of the reproductive system, as well as in other aspects of overall health. Multiple Choice Questions on Gonadal Hormones (Sex Hormones) 1. Which hormone is responsible for the development of male secondary sexual characteristics during puberty? a) Estrogen b) Progesterone c) Testosterone d) Thyroxine 2. Which of the following is NOT a primary gonadal hormone? a) Estrogen b) Insulin c) Progesterone d) Testosterone 3. What is the primary function of estrogen in females? a) Development of female secondary sexual chara...