REPRODUCTIVE SYSTEM QUIZZES

Take a comprehensive reproductive system quiz covering organs, hormones, and cycles to enhance your knowledge. Suitable for students and healthcare practitioners. Let’s begin.

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Reproductive system quiz 1

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1. After ejaculation, sperm travel through the structures of the female reproductive tract in which order?

A. Vagina, uterus, fallopian tube, ovary

B. Cervix, vagina, uterus, fallopian tube

C. Vagina, cervix, uterus, fallopian tube

D. Cervix, urethra, uterus, fallopian tube

C: Sperm eventually reach the fallopian tube after gaining entry to the uterus via the cervix. The urethra is not part of the female reproductive tract.

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2. Which of the following could be accurately said of oogenesis and spermiogenesis?

A. They both occur after puberty.

B. They both cease after menopause.

C. The former occurs before birth while the latter continues from puberty to death.

D. The former is promoted by FSH while the latter is promoted by LH.

C: Oogenesis occurs before birth while spermiogenesis continues from puberty to death. Both are promoted by FSH.

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3. Sperm gain motility as they pass through which structure?

A. Lumen of the seminiferous tubule

B. Prostatic part of the urethra

C. Ductus deferens

D. Epididymis

B: In the prostate, sperm are mixed with seminal fluid from the seminal vesicles. This fluid mobilises the flagellum of a sperm cell.

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4. What is a fertilised egg known as?

A. Ovum

B. Zygote

C. Embryo

D. Blastocyst

B: The fertilised egg, before it begins to divide, is known as a zygote.

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5. In males, what is the function of the luteinising hormone (LH)?

A. It stimulates interstitial cells in the testes to produce testosterone.

B. It stimulates sustentacular cells in the testes to produce sperm.

C. It promotes the maturation of spermatozoa.

D. It stimulates the anterior pituitary to release FSH.

A: LH targets interstitial (Leydig) cells to produce testosterone. GnRH stimulates the ant pit to secrete FSH and LH.

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6. What is the name given to a female’s first menstrual period?

A. Menarche

B. Menses

C. Eclampsia

D. Amenorrhea

A: Menarche is the first menstrual cycle, or first menstrual bleeding, in female humans.

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7. Which of the following lists the structures of the female perineal area in the correct order?

A. Clitoris, vaginal opening, urethral opening, anus

B. Clitoris, urethral opening, vaginal opening, anus

C. Urethral opening, clitoris, vagina, cervix

D. Anus, clitoris, urethral opening, vaginal opening.

B: Clitoris is the most ventral structure, while the anus is the most dorsal. The urethra is between the clitoris and vagina.

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8. What is the function of the hormone progesterone?

A. To maintain secondary sex characteristics

B. To pause meiosis until the ovum is fertilised

C. To stimulate estrogen production

D. To prepare the uterus for pregnancy

D: Progesterone causes the lining of the uterus to thicken in preparation for implantation.

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9. What is the function of progesterone?

A. To stimulate the development of follicles

B. To maintain the corpus luteum

C. Prepare and maintain the uterus for pregnancy

D. To stimulate ovulation

C: Progesterone prepares the uterus lining for pregnancy and causes the number of peg cells in the fallopian tube to increase.

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10. From the list below, what do WOMEN have as part of their reproductive system that men do not?

A. An X chromosome

B. Bartholin’s (vestibular) glands

C. Luteinising hormone

D. An inguinal canal

B: Bartholin’s glands (or greater vestibular glands) are possessed by women. The male homologue is Cowper’s gland (bulbourethral glands). The inguinal canal is present in women where it attaches to the round ligament of the uterus, as well as in men.

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11. Which cells are targeted by luteinising hormone (LH) inducing the production of which of the listed products?

A. Nurse/Sertoli cells to promote spermiogenesis

B. Granulosa cells to proliferate around the ovum

C. Leydig cells to produce testosterone

D. Uterine epithelial cells to proliferate

C: Choices A and B are caused by FSH, while progesterone causes the uterus epithelium to proliferate.

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12. Both testosterone and FSH contribute to which of the following effects in the male?

A. The stimulation of spermiogenesis.

B. Metabolic rate stimulation.

C. They establish and maintain the secondary sex characteristics.

D. The stimulation of muscle and bone growth.

A: FSH in the presence of testosterone stimulates spermiogenesis.

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13. What is the function of the epididymis?

A. Produces sperm

B. Stores sperm and facilitates their maturation

C. Stores sperm and produces seminal fluid

D. Carries semen out through the penis

B: The epididymis stores sperm for 2–3 months during which time they mature.

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14. Male sterilisation (vasectomy) involves the cutting of which tube?

A. Ejaculatory duct

B. Epididymis

C. Urethra

D. Ductus deferens

D: Vasectomy involves removing a piece of the ductus deferens (vas deferens) from a site within the scrotum.

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15. In the male reproductive tract, where are sperm produced?

A. Seminiferous tubules

B. Epididymis

C. Sertoli cells of the testes

D. Leydig cells of the testes

A: In the seminiferous tubules; stem cells called spermatogonia undergo meiosis to become sperm cells.

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16. Which cells produce the majority of estrogens?

A. The cells of the corpus luteum

B. The cells of anterior pituitary

C. Endometrial cells

D. Granulosa cells of the follicle

D: The thecal cells of the follicles produce androstenedione which is absorbed by the granulosa cells and used to produce estrogens. The corpus luteum does secrete some estrogens too.

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17. From which source does the majority of the volume of a male ejaculation come?

A. Epididymis

B. Seminiferous tubules

C. Seminal vesicles

D. Prostate gland

C: The seminal vesicles provide about 60% of ejaculate volume.

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18. What is the section of the male reproductive tract within which sperm is produced called?

A. The urethra

B. The epididymis

C. The vas deferens

D. The seminiferous tubules

D: The seminiferous tubules of the testes produce sperm.

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19. From the list below, what do MEN have as part of their reproductive system that women do not?

A. Androgens

B. Follicle stimulating hormone

C. Tunica vaginalis

D. Gametes

C: The remarkably named tunica vaginalis is the membrane that lines the scrotal cavity in men. Both women and men produce gametes, androgens and FSH.

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20. What is the role of luteinising hormone (LH) in the female?

A. It causes release of FSH from the anterior pituitary.

B. It maintains the secondary sex characteristics.

C. It allows the frequency of pulses of GnRH to increase.

D. It causes ovulation.

D: A surge of LH release from the anterior pituitary gland causes the mature follicle to release its ovum. GnRH stimulates the release of FSH, while the secondary sex characteristics are maintained by estrogens.

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Reproductive system quiz 2

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1. What is the function of luteinising hormone?

A. It stimulates the interstitial (Leydig) cells to produce testosterone.

B. It stimulates sustentacular (Sertoli) cells to produce sperm.

C. It stimulates the anterior pituitary to release follicle-stimulating hormone.

D. It stimulates the ovary to develop follicles.

A: Luteinising hormone targets the interstitial cells of the testes inducing them to secrete testosterone. (In women, LH helps with menstrual cycle, ovulation and the formation of the corpus luteum. The corpus luteum then releases progesterone, a hormone necessary to maintain pregnancy).

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2. Where are the ejaculatory ducts located?

A. In the testicles before the epididymis

B. In the penis

C. Between the bulbourethral glands and the urethra

D. At the end of the vas deferens (ductus deferens)

D: The ejaculatory ducts commence where the ducts of the seminal glands join the vas deferens and end where the vas deferens join with the urethra.

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3. What effect does luteinising hormone have?

A. It stimulates the growth of a few follicles each month.

B. Stimulates ovulation and maintains the corpus luteum.

C. It prepares the uterus for pregnancy.

D. It establishes and maintains the secondary sex characteristics.

B: Luteinising hormone stimulates ovulation and the formation of the corpus luteum.

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4. How do sperm cells differ from other cells in the male body?

A. They contain 23 chromosomes.

B. They all contain an X chromosome.

C. They all contain a Y chromosome.

D. They undergo mitosis.

A: Somatic cells contain 46 chromosomes, whereas a sperm cell has 23. It has either an X or a Y chromosome.

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5. Where should fertilisation of the egg by a sperm occur?

A. In the cervix

B. In the uterus

C. In the fallopian tube

D. In the abdominal cavity between ovary and fallopian tube

C: Fluid from the “peg” cells of the Fallopian tube assist in the capacitation of sperm allowing them to fertilise the egg.

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6. What hormone is released by the corpus luteum in the greatest quantity?

A. Progesterone

B. Estrogens

C. Luteinising hormone

D. Follicle-stimulating hormone

A: The corpus luteum releases progesterone which prepares the uterus for pregnancy (and causes the number of peg cells to increase).

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7. Which of the listed structures does the male reproductive tract pass through?

A. The prostate

B. The bulbourethral gland

C. The seminiferous vesicles

D. The bladder

A: The ducts from the seminal glands join with the vas deferens to become the ejaculatory ducts and enter the prostate. There they both join the urethra which then exits the prostate.

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8. Where does fertilisation of the ovum normally occur?

A. In the cervical canal

B. In the ovary

C. In the uterus

D. In the Fallopian tube

D: The sperm meets the ovum in the ampulla of the fallopian tube (=uterine tube) where fertilisation occurs, facilitated by the secretions of the peg cells.

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9. What is the function of gonadotropin-releasing hormone (GnRH)?

A. Stimulates the anterior pituitary to release LH

B. Stimulates the anterior pituitary to release both LH and FSH

C. Stimulates the anterior pituitary to release FSH

D. Stimulates the corpus luteum to release progesterone

B: GnRH stimulates the anterior pituitary gland to release both LH and FSH, which are two gonadotropins. They act on the gonads (testes and ovaries) and control gamete and sex hormone production.

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10. What is the name of the tube that carries sperm from the testes to the prostate gland?

A. Vas deferens

B. Ejaculatory duct

C. Seminiferous tubule

D. Urethra

A: The vas deferens (=ductus deferens) begin at the epididymis and end at the ejaculatory duct in the prostate.

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11. Where is the hormone progesterone produced?

A. By the thecal cells that surround the follicle

B. In the anterior pituitary

C. In the corpus luteum

D. By the developing follicle

C: The corpus luteum (which develops from the follicle after ovulation) produces progesterone.

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12. What do the thecal cells that surround the follicle produce?

A. Mucus

B. Luteinising hormone

C. Androgens

D. Estrogens

C: The thecal cells produce androgens (androstenedione) which diffuse to the granulosa cells which convert androgens to estrogens.

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13. Below is a list of structures and (in brackets) a hormone that they might produce. Which list is correct?

A. Hypothalamus (FSH); anterior pituitary (GnRH); ovarian follicle (estrogens); corpus luteum (LH)

B. Hypothalamus (GnRH); anterior pituitary (estradiol); ovarian follicle (LH); corpus luteum (progesterone)

C. Hypothalamus (estrogens); anterior pituitary (FSH); ovarian follicle (progesterone); corpus luteum (estrogens)

D. Hypothalamus (GnRH); anterior pituitary (FSH and LH); ovarian follicle (estrogens); corpus luteum (progesterone)

D: The listed structures produce the respective hormones.

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14. Choose the correct statement about LH or FSH.

A. LH targets Leydig cells of the testes which produce testosterone.

B. LH targets Sertoli cells of the testes which promotes spermiogenesis.

C. FSH targets Leydig cells of the testes which promotes spermiogenesis.

D. FSH targets Sertoli cells of the testes which produce testosterone.

A: LH targets Leydig (interstitial) cells to produce testosterone. FSH targets Sertoli (nurse/sustentacular) cells which (in the presence of testosterone)
promote spermiogenesis.

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15. Which one of the following is NOT a secondary sex characteristic?

A. The adult male body shape

B. The thicker vocal cords of a male

C. Pubic hair

D. The penis

D: Secondary sex characteristics are those that develop after puberty, that is, not present at birth.

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16. Which of the following do the testes produce?

A. Capacitated spermatozoa

B. About 60% of the ejaculate

C. Slightly acidic fluid

D. Physically mature spermatozoa

D: The sperm are physically mature when they enter the epididymis but need to be capacitated by fluid from the seminal glands and the fallopian tube’s peg cells. Most of the volume of the ejaculate comes from the seminal glands.

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17. In which of the following lists are the structures of the male reproductive tract listed in the correct order from testes to urethra?

A. Ejaculatory ducts, seminiferous tubules, epididymis, vas deferens

B. Seminiferous tubules, epididymis, vas deferens, ejaculatory ducts

C. Epididymis, ejaculatory ducts, seminiferous tubules, vas deferens

D. Vas deferens, seminiferous tubules, epididymis, ejaculatory ducts

B: Seminiferous tubules are in the testes so should be before the epididymis and vas deferens; ejaculatory ducts must be after the vas deferens.

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18. In the sequence of events known as the ovarian cycle, which of the following does NOT occur?

A. The anterior pituitary releases FSH and LH.

B. FSH stimulates a follicle to develop

C. The hypothalamus releases GnRH.

D. The developing follicle produces progesterone.

D: The corpus luteum (not the follicle) produces progesterone.

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