Free Human Reproductive System MCQs with Answers
109 Human Reproductive System MCQs from Biology, each with the correct answer and a written explanation of why it is correct. Free and unlimited, with no account needed.
The human reproductive system includes the male and female organs that produce gametes, secrete sex hormones and support fertilization and development. Questions cover the testes, ovaries, reproductive ducts, menstrual and ovarian cycles, ovulation, fertilization, implantation, placenta formation and the roles of FSH, LH, oestrogen, progesterone and testosterone.
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109 questions · page 6 of 6
- A. Liver
- B. Kidney
- C. Ovaries
- D. Heart
Explanation: Meiosis is a process that occurs in sex cells, such as sperm and egg cells in the human body, to make more of them.
Correct answer: Ovaries- A. Prototherians
- B. Eutherians
- C. Metatherian
- D. All of above
Explanation: Metatherians, also known as marsupials, are a group of mammals that give birth to relatively undeveloped embryos.
Correct answer: Metatherian- A. Identical twins
- B. Siames twins
- C. Fraternal twins
- D. Double twins
Explanation: When a woman's ovary releases two eggs which are fertilized by two different sperms, it results in the formation of fraternal twins.
Correct answer: Fraternal twins104. Which sequence correctly describes the route sperm take through the human male reproductive system?
- A. Vas deferens, urethra, epididymis
- B. Epididymis, vas deferens, urethra
- C. Epididymis, urethra, vas deferens
- D. Urethra, epididymis, vas deferens
Explanation: The correct sequence of sperm transport is: Epididymis → Vas deferens → Urethra.
Correct answer: Epididymis, vas deferens, urethra105. The enlarged lining epithelium cells connected with groups of developing spermatozoa in testes is:
- A. Somatic cells
- B. Sertoli cells
- C. Stem cells
- D. Totipotent cells
Explanation: Sertoli cells are the epithelial supporting cells of the seminiferous tubules.
Correct answer: Sertoli cells- A. Plasma membrane
- B. Vitelline membrane
- C. Corona radiata
- D. All of the above
Explanation: Mature ova (egg cells) in humans are surrounded by all three: plasma membrane, vitelline membrane, and corona radiata.
Correct answer: All of the above- A. Hypothalamus
- B. Pituitary gland
- C. Prostate
- D. Sertoli cells
Explanation: The correct answer is Sertoli cells. Inhibin is produced by Sertoli cells within the testes and is part of the transforming growth…
Correct answer: Sertoli cells- A. ciliated epithelium
- B. Squamaus epithelium
- C. Columnar epithelium
- D. Cubodial epithelium
Explanation: The inner surface of the fallopian tube is lined by ciliated epithelium.
Correct answer: ciliated epithelium- A. Perimetrium
- B. Myometrium
- C. Endometrium
- D. Cervix
Explanation: The embryo implants in the endometrium of the uterus. The endometrium is the innermost layer of the uterine wall, and it undergoes cyclic…
Correct answer: Endometrium