1. Which hormone is primarily responsible for the development and maintenance of secondary sexual characteristics in females?
A) Estrogen
B) Progesterone
C) Testosterone
D) Luteinizing hormone (LH)
Answer: A) Estrogen
2. What is the primary function of luteinizing hormone (LH) in the female reproductive cycle?
A) Stimulate follicle development
B) Trigger ovulation
C) Maintain the endometrium
D) Regulate menstrual bleeding
Answer: B) Trigger ovulation
3. During which phase of the menstrual cycle does the endometrial lining thicken in preparation for potential implantation?
A) Follicular phase
B) Ovulatory phase
C) Luteal phase
D) Menstrual phase
Answer: C) Luteal phase
4. Which hormone is produced by the corpus luteum and helps maintain the endometrial lining during early pregnancy?
A) Estrogen
B) Progesterone
C) Follicle-stimulating hormone (FSH)
D) Human chorionic gonadotropin (hCG)
Answer: B) Progesterone
5. What is the role of follicle-stimulating hormone (FSH) in the male reproductive system?
A) Stimulate testosterone production
B) Regulate spermatogenesis
C) Trigger sperm ejaculation
D) Control libido
Answer: B) Regulate spermatogenesis
6. What is the primary function of the seminiferous tubules in the male reproductive system?
A) Produce testosterone
B) Store sperm
C) Produce sperm
D) Transport sperm
Answer: C) Produce sperm
7. Which structure in the female reproductive system is responsible for the release of the egg during ovulation?
A) Uterus
B) Ovarian follicle
C) Fallopian tube
D) Endometrium
Answer: B) Ovarian follicle
8. In males, what is the function of the prostate gland?
A) Produce seminal fluid
B) Store sperm
C) Regulate testosterone levels
D) Produce luteinizing hormone
Answer: A) Produce seminal fluid
9. What is the primary role of human chorionic gonadotropin (hCG) during early pregnancy?
A) Stimulate milk production
B) Support corpus luteum function
C) Trigger ovulation
D) Regulate fetal heart rate
Answer: B) Support corpus luteum function
10. What process describes the release of a mature egg from the ovary?
A) Menstruation
B) Fertilization
C) Ovulation
D) Implantation
Answer: C) Ovulation