Reproductive Endocrinology of Animal mcqs January 8, 2026April 9, 2024 by u930973931_answers 20 min Score: 0 Attempted: 0/20 Subscribe 1. What is the primary function of reproductive endocrinology in animals? (A) Regulating reproductive processes (B) Controlling growth and development (C) Regulating metabolic processes (D) Maintaining homeostasis 2. Which of the following hormones is responsible for the initiation of puberty in mammals? (A) Estrogen (B) Progesterone (C) Testosterone (D) Follicle-stimulating hormone (FSH) 3. What hormone is primarily responsible for triggering ovulation in female mammals? (A) Estrogen (B) Progesterone (C) Follicle-stimulating hormone (FSH) (D) Luteinizing hormone (LH) 4. In males, which hormone is produced by the Leydig cells and is essential for the development of secondary sexual characteristics? (A) Estrogen (B) Progesterone (C) Follicle-stimulating hormone (FSH) (D) Testosterone 5. Which of the following hormones is responsible for stimulating the growth and maturation of ovarian follicles in females? (A) Estrogen (B) Progesterone (C) Follicle-stimulating hormone (FSH) (D) Luteinizing hormone (LH) 6. What hormone is produced by the corpus luteum after ovulation and helps maintain the uterine lining during pregnancy? (A) Estrogen (B) Progesterone (C) Follicle-stimulating hormone (FSH) (D) Luteinizing hormone (LH) 7. Which hormone is responsible for the development and maintenance of the uterine lining in preparation for implantation of a fertilized egg? (A) Estrogen (B) Follicle-stimulating hormone (FSH) (C) Progesterone (D) Luteinizing hormone (LH) 8. In males, what hormone is responsible for stimulating spermatogenesis? (A) Follicle-stimulating hormone (FSH) (B) Progesterone (C) Estrogen (D) Luteinizing hormone (LH) 9. What hormone is responsible for maintaining pregnancy and preventing the onset of new ovarian cycles during gestation? (A) Estrogen (B) Follicle-stimulating hormone (FSH) (C) Progesterone (D) Luteinizing hormone (LH) 10. Which hormone is responsible for stimulating the production of milk in the mammary glands after childbirth? (A) Estrogen (B) Progesterone (C) Prolactin (D) Oxytocin 11. What is the primary hormone responsible for initiating parturition (birth) in mammals? (A) Prolactin (B) Progesterone (C) Estrogen (D) Oxytocin 12. Which of the following hormones is responsible for stimulating uterine contractions during labor? (A) Oxytocin (B) Progesterone (C) Prolactin (D) Estrogen 13. In females, what hormone surge triggers ovulation? (A) Estrogen (B) Luteinizing hormone (LH) (C) Progesterone (D) Prolactin 14. What hormone is responsible for the release of an egg from the ovary during ovulation? (A) Luteinizing hormone (LH) (B) Progesterone (C) Estrogen (D) Prolactin 15. Which of the following hormones is produced by the anterior pituitary gland and stimulates milk production? (A) Estrogen (B) Progesterone (C) Prolactin (D) Oxytocin 16. What hormone is responsible for the let-down reflex, which facilitates milk ejection during nursing? (A) Estrogen (B) Progesterone (C) Prolactin (D) Oxytocin 17. In males, what hormone inhibits the release of FSH from the pituitary gland? (A) Estrogen (B) Inhibin (C) Testosterone (D) Prolactin 18. Which hormone maintains the structure and function of the male reproductive tract? (A) Testosterone (B) Inhibin (C) Estrogen (D) Prolactin 19. What hormone promotes follicle development and estrogen synthesis in females? (A) Follicle-stimulating hormone (FSH) (B) Luteinizing hormone (LH) (C) Progesterone (D) Inhibin 20. Which hormone maintains the corpus luteum during early pregnancy? (A) Luteinizing hormone (LH) (B) Follicle-stimulating hormone (FSH) (C) Progesterone (D) Inhibin