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Quizzes > Health & Medicine

Male Reproductive System Quiz: Test Your Anatomy Knowledge

Quick, free male reproductive anatomy quiz. Instant results and review tips.

Editorial: Review CompletedCreated By: Pramith RajUpdated Aug 23, 2025
Difficulty: Moderate
2-5mins
Learning OutcomesCheat Sheet
Paper art illustration of male reproductive organs and anatomy on dark blue background for biology quiz challenge

This male reproductive system quiz helps you check core anatomy, organs, and functions with quick questions. Use it to find weak spots, build recall, and see instant results. For labeling practice, try the male reproductive system labeling quiz. Explore terms with the spermolytic substance quiz, or compare systems in the female reproductive anatomy quiz.

What is the primary function of the testes?
Spermatogenesis (sperm production)
Digestion of nutrients
Egg production
Urine storage
The testes are the primary male gonads responsible for spermatogenesis, the process of sperm production. They contain seminiferous tubules where germ cells develop into mature sperm. Additionally, the testes secrete testosterone, which regulates male secondary sexual characteristics. Learn more at .
Which structure stores and matures sperm after they leave the testes?
Vas deferens
Seminal vesicle
Prostate gland
Epididymis
The epididymis is a coiled duct located atop the testis in which sperm mature and are stored until ejaculation. Sperm gain motility and fertilization capacity during transit through the epididymis. It connects the seminiferous tubules to the vas deferens. Learn more: .
What is the name of the tube that carries sperm from the epididymis to the ejaculatory ducts?
Urethra
Ejaculatory duct
Fallopian tube
Vas deferens
The vas deferens is a muscular tube that transports mature sperm from the epididymis into the pelvic cavity toward the ejaculatory ducts. During ejaculation, peristaltic contractions propel sperm through this duct. The vas deferens joins with the seminal vesicle duct to form the ejaculatory duct. Learn more: .
Which gland contributes a fructose-rich fluid that nourishes sperm in semen?
Prostate gland
Bulbourethral glands
Seminal vesicles
Epididymis
The seminal vesicles secrete an alkaline, fructose-rich fluid that makes up about 60-70% of the ejaculate volume and provides energy for sperm motility. Their secretions also contain coagulating proteins and prostaglandins. This fluid mixes with sperm in the ejaculatory ducts. Learn more: .
What is the external pouch that regulates testicular temperature called?
Scrotum
Glans penis
Perineum
Corpus cavernosum
The scrotum is a thin-walled pouch that holds and protects the testes outside the body cavity, maintaining an optimal temperature approximately 2 - 4°C below core body temperature for spermatogenesis. It achieves temperature regulation via the cremaster and Dartos muscles adjusting testicular position. The scrotum's lower temperature environment is critical for sperm development. Learn more: .
Which part of the sperm cell contains the nucleus and genetic material?
Midpiece
Head
Tail
Acrosome
The head of the sperm houses the nucleus, which contains densely packed chromosomes (DNA) that will combine with egg DNA upon fertilization. It is capped by the acrosome, which contains enzymes for penetrating the egg. The midpiece contains mitochondria for energy, and the tail provides motility. Learn more: .
Which hormone, secreted by the anterior pituitary, directly stimulates spermatogenesis?
Testosterone
Gonadotropin-releasing hormone (GnRH)
Luteinizing hormone (LH)
Follicle-stimulating hormone (FSH)
Follicle-stimulating hormone (FSH) acts on Sertoli cells in the seminiferous tubules to promote spermatogenesis, aiding in the nourishment and maturation of developing sperm. LH stimulates Leydig cells to produce testosterone, which indirectly supports spermatogenesis. Testosterone facilitates feedback regulation of FSH and LH. Learn more: EndocrineWeb - FSH Function.
Which glands produce a clear mucus that neutralizes acidic urine in the urethra before ejaculation?
Bulbourethral glands
Epididymis
Prostate gland
Seminal vesicles
The bulbourethral glands (Cowper's glands) secrete a clear, alkaline mucus prior to ejaculation that neutralizes traces of acidic urine in the urethra and lubricates the penile urethra. This pre-ejaculate fluid helps create a favorable environment for sperm during ejaculation. They are pea-sized structures located within the deep perineal pouch. Learn more: .
What is the function of the acrosome in a sperm cell?
Maintains sperm tail structure
Helps penetrate the egg's zona pellucida
Produces ATP for motility
Synthesizes DNA
The acrosome, a cap-like vesicle at the tip of the sperm head, contains hydrolytic enzymes (e.g., hyaluronidase and acrosin) necessary to digest the zona pellucida of the egg, allowing sperm to penetrate and fertilize the oocyte. This process is known as the acrosome reaction. The acrosome originates from the Golgi apparatus during spermiogenesis. Learn more: .
Which artery supplies oxygenated blood directly to the testis?
Inferior mesenteric artery
Internal pudendal artery
Testicular artery
Renal artery
The testicular artery, a branch of the abdominal aorta, descends in the spermatic cord to supply oxygenated blood directly to the testes. This artery travels alongside the pampiniform plexus of veins, aiding in temperature regulation through countercurrent heat exchange. Damage to this artery can impair testicular function. Learn more: .
Which fibrous layer of the testis divides it into lobules?
Dartos fascia
Tunica vaginalis
Tunica albuginea
Cremaster muscle
The tunica albuginea is a dense, fibrous connective tissue layer that envelops the testis and extends inward to form septa dividing the testis into approximately 200 lobules containing seminiferous tubules. The tunica vaginalis is an outer serous covering, whereas the Dartos fascia and cremaster muscle are superficial layers involved in temperature regulation. The septa help organize the seminiferous tubule arrangement. Learn more: .
Which cells in the seminiferous tubules form the blood - testis barrier?
Leydig cells
Spermatogonia
Sertoli cells
Peritubular myoid cells
Sertoli cells, located within the seminiferous epithelium, form tight junctions that create the blood - testis barrier, isolating developing germ cells from blood-borne substances and immune cells. This barrier is crucial for proper spermatogenesis and protecting haploid germ cells from autoimmune attack. Leydig cells, found in the interstitium, produce testosterone but do not form this barrier. Learn more: .
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Study Outcomes

  1. Identify Major Organs -

    After completing the male reproductive system quiz, readers will be able to identify and name key organs such as the testes, epididymis, vas deferens, and prostate gland.

  2. Explain Organ Functions -

    Readers will understand the primary functions of each reproductive structure, including sperm production, maturation, transport, and hormone regulation.

  3. Label Anatomical Diagrams -

    Users will practice accurate labeling of male reproductive anatomy diagrams, reinforcing spatial relationships and structural details.

  4. Analyze Structure-Function Relationships -

    Participants will be able to analyze how anatomical features support reproductive processes and the overall physiology of the system.

  5. Assess Knowledge Through Feedback -

    Quiz takers will evaluate their understanding with scored questions and detailed explanations to identify areas for further study.

Cheat Sheet

  1. Testicular Anatomy and Spermatogenesis -

    The testes contain coiled seminiferous tubules where spermatogenesis occurs, producing up to 300 million sperm per day (NIH). Remember "SEVEN UP" to recall the pathway starting at Seminiferous tubules and ending at the Penis, a handy mnemonic for your male reproductive system quiz. Understanding Leydig and Sertoli cell functions is crucial: Leydig cells secrete testosterone, while Sertoli cells support developing sperm.

  2. Hypothalamic-Pituitary-Gonadal (HPG) Axis -

    The HPG axis regulates hormone release: GnRH from the hypothalamus triggers pituitary LH and FSH secretion, which then stimulate testosterone production and sperm maturation in the testes (Endocrine Society). Use the phrase "GnRH Lets FSH and LH flow" to remember the order. Interruption anywhere in the axis can lead to hypogonadism, a key concept for quiz questions on male reproductive function.

  3. Sperm Transport Pathway -

    Sperm travel from seminiferous tubules → epididymis → vas deferens → ejaculatory duct → urethra (University of Michigan). A sample labeling question might ask you to identify each segment on a sagittal diagram; practice with printed anatomical charts for extra confidence. Recall the journey with "SEVE N UP": Seminiferous, Epididymis, Vas, Ejaculatory, Urethra, Penis.

  4. Accessory Gland Secretions -

    The seminal vesicles contribute about 60% of seminal fluid (fructose-rich for energy), the prostate adds alkaline fluid to neutralize vaginal acidity, and the bulbourethral glands provide pre-ejaculate lubrication (American Urological Association). Remember the order by "SVP" - Seminal vesicles, Prostate, and Cowper's glands (BulboUrethral). Quiz questions often test fluid composition percentages and pH values.

  5. Erection and Ejaculation Mechanisms -

    Erection is mediated by parasympathetic vasodilation ("Point") and ejaculation by sympathetic contractions ("Shoot"), a classic mnemonic for physiology recall (Guyton & Hall). Review slide diagrams showing nitric oxide's role in smooth muscle relaxation for erection. Questions may describe nerve damage cases - understanding "Point and Shoot" dynamics will help you choose the correct clinical explanation.

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