Free Reproduction MCQs with Answers
1,220 Reproduction MCQs from Biology, each with the correct answer and a written explanation of why it is correct. Free and unlimited, with no account needed.
Human reproduction covers the male and female reproductive organs, gamete formation, fertilization, implantation and hormonal regulation. The menstrual cycle includes ovarian and uterine changes controlled by pituitary and ovarian hormones, while sexually transmitted diseases are studied through their causes, transmission, symptoms, prevention and effects on fertility.
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Read the Reproduction notesFree MDCAT chapter notes with key terms1,220 questions · page 9 of 61
- A. All types of organisms reproduce
- B. Many cells of one type fuse with a single cell of another type
- C. Nuclei of two specialized cells fuse together
- D. Parents produce genetically identical offspring
Explanation: Sexual reproduction occurs when the sperm from the male parent fertilizes an egg from the female parent, producing an offspring that is…
Correct answer: Nuclei of two specialized cells fuse together- A. Human
- B. Eagle
- C. Chicken
- D. Pigeon and human
Explanation: Unlike most female animals, which have two functioning ovaries, the chicken usually has only one.
Correct answer: Chicken- A. Genetic engineering
- B. Integrated disease management
- C. Hydroponic culture technique
- D. Cloning
Explanation: The correct answer is Cloning. Cloning is a form of asexual reproduction that results in the creation of an organism genetically identical…
Correct answer: Cloning- A. Mitosis
- B. Meiosis
- C. Fission
- D. All of these
Explanation: Only meiosis is the type of cell division that will produce haploid number of chromosomes (n).
Correct answer: Meiosis- A. Oxytocin
- B. Growth hormones
- C. Pheromones
- D. All
Explanation: Pheromones are substances which are secreted to the outside by an individual and received by a second individual of the same species.
Correct answer: Pheromones- A. Same
- B. Same in function
- C. Different
- D. Same in location
Explanation: The spermatic cord and spermatic duct refer to distinct structures in the male reproductive system.
Correct answer: Different- A. Ureter
- B. Urethra
- C. Testes
- D. All of these options are correct
Explanation: The sperm duct, also known as the vas deferens, opens into the urethra.
Correct answer: Urethra- A. 1
- B. 2
- C. 3
- D. 4
Explanation: During spermatogenesis, which is the process of sperm cell development, a primary spermatocyte undergoes two rounds of cell division to…
Correct answer: 4- A. The testicles produce millions of sperm
- B. Hormones are produced by the testicles
- C. Semen is produced in the seminal vesicles
- D. All males are born with one testicle
Explanation: Males are typically born with two testicles. The condition of having only one testicle is known as monorchism, and it is relatively…
Correct answer: All males are born with one testicle- A. Vas deferens
- B. Prostate gland
- C. Semen
- D. All of these
Explanation: Sperms are nourished and activated through the seminal fluid, which is a mixture of fluids contributed by various glands in the male…
Correct answer: Semen- A. Nerve cells
- B. Fat cells
- C. Muscle cells
- D. Interstitial cells
Explanation: Leydig cells are interstitial cells located adjacent to the seminiferous tubules in the testes.
Correct answer: Interstitial cells- A. Provides liquid medium
- B. Provides protection to sperms
- C. Provides nourishment to sperms
- D. All A, B and C are correct
Explanation: Correct option is D.Sertoli cells are sometimes known as testicular "nurse cells" or "mother cells."It is a component of a seminiferous…
Correct answer: All A, B and C are correct- A. Bag
- B. Scrotum
- C. Pouch
- D. All of these
Explanation: The external genitalia of the human male include the scrotum, which houses a pair of testes.
Correct answer: Scrotum- A. Ovaries
- B. Testosterone
- C. Testes
- D. Ovum
Explanation: The male gonads are also known as testes (singular: testis). Testosterone is the hormone secreted by testes.
Correct answer: Testes- A. Urethra
- B. Seminiferous tubules
- C. Ejaculatory duct
- D. Vas deferens
Explanation: After traveling through the epididymis, sperm cells enter the vas deferens.
Correct answer: Vas deferens- A. Ureter
- B. Vas deferens
- C. Urinary bladder
- D. Urethra
Explanation: The male reproductive system includes the penis, scrotum, testes, epididymis, vas deferens, prostate, and seminal vesicles.
Correct answer: Urethra- A. Trypsin
- B. Helicase
- C. Testosterone
- D. Hyaluronidase
Explanation: Hyaluronidase is the enzyme helps the sperm penetrate the protective layer surrounding the egg, called the zona pellucida.
Correct answer: Hyaluronidase- A. Provide liquid medium to cells in testes
- B. Provide protection and nourishment to cells
- C. Secrete testosterone
- D. Both A and B
Explanation: Sertoli cells, also known as sustentacular cells, are specialized cells found in the seminiferous tubules of the testes.
Correct answer: Both A and B- A. Spermatid
- B. Spermatogonium
- C. Secondary spermatocyte
- D. Spermatozoa
Explanation: The term that best describes a mature, motile, and haploid sperm cell produced during spermatogenesis is "spermatozoon" or simply…
Correct answer: Spermatozoa- A. Progesterone
- B. Estrogen
- C. Testosterone
- D. All of these
Explanation: The hormone released from the testes is testosterone. Testosterone is a steroid hormone that is produced by the Leydig cells of the…
Correct answer: Testosterone