Animal Reproductive Biology MCQs January 8, 2026March 26, 2024 by u930973931_answers 15 min Score: 0 Attempted: 0/15 Subscribe 1. . What is the primary male reproductive organ in mammals? (A) Testis (B) Ovary (C) Uterus (D) Prostate gland 2. . What hormone is primarily responsible for the regulation of the male reproductive system? (A) Estrogen (B) Testosterone (C) Progesterone (D) Follicle-stimulating hormone (FSH) 3. . In which part of the male reproductive system does spermatogenesis occur? (A) Seminiferous tubules (B) Epididymis (C) Vas deferens (D) Seminal vesicle 4. . What is the function of the epididymis in the male reproductive system? (A) Production of sperm (B) Storage and maturation of sperm (C) Secretion of seminal fluid (D) Transport of sperm to the urethra 5. . Which of the following is not a component of seminal fluid? (A) Sperm (B) Prostaglandins (C) Fructose (D) Urethra 6. . What is the primary female reproductive organ in mammals? (A) Testis (B) Ovary (C) Uterus (D) Vas deferens 7. . What hormone is primarily responsible for the regulation of the female reproductive system? (A) Testosterone (B) Estrogen (C) Progesterone (D) Follicle-stimulating hormone (FSH) 8. . In which part of the female reproductive system does oogenesis occur? (A) Ovary (B) Fallopian tube (C) Uterus (D) Cervix 9. . What is the function of the fallopian tube in the female reproductive system? (A) Production of eggs (B) Fertilization of the egg (C) Implantation of the embryo (D) Transport of egg from ovary to uterus 10. . Which of the following hormones is responsible for the thickening of the endometrium during the menstrual cycle? (A) Estrogen (B) Testosterone (C) Progesterone (D) Follicle-stimulating hormone (FSH) 11. . What is the function of the cervix in the female reproductive system? (A) Production of eggs (B) Fertilization of the egg (C) Implantation of the embryo (D) Passage between the uterus and vagina 12. . Which of the following is not a phase of the menstrual cycle? (A) Menstruation (B) Ovulation (C) Proliferative phase (D) Gestation 13. . What is the corpus luteum? (A) A structure in the male reproductive system (B) A hormone produced by the ovaries (C) A temporary endocrine structure formed in the ovary (D) A component of seminal fluid 14. . What is the function of the placenta during pregnancy? (A) Production of hormones (B) Exchange of nutrients and waste products between mother and fetus (C) Protection of the embryo from external environment (D) Regulation of body temperature 15. . What is the primary role of oxytocin during childbirth? (A) Triggering contractions of the uterus (B) Stimulating milk production (C) Regulating blood sugar levels (D) Promoting sperm production