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 46 of 61
- A. Seminal vesicle
- B. Cowper's gland
- C. Prostate gland
- D. Bartholin's gland
Explanation: Fluids contributed by the seminal vesicles are approximately 60 percent of the total semen volume; these fluids contain fructose, amino…
Correct answer: Seminal vesicle- A. Urethra
- B. Spermatic duct
- C. Oviduct
- D. Ejaculatory duct
Explanation: The male sex accessory ducts include rete testis, vasa efferentia, epididymis and vas deferens.
Correct answer: Ejaculatory duct- A. Seminal vesicle
- B. Prostate gland
- C. Cowper's gland
- D. Lacrimal gland
Explanation: In humans, the male reproductive system consists of the following organs:2 testes in the scrotum, 2 epididymides, 2 deferent ducts (vas…
Correct answer: Prostate gland- A. Zona pellucida, corona radiata, plasma membrane
- B. Corona radiata, zona pellucida, plasma membrane
- C. Plasma membrane, zona pellucida, corona radiata
- D. None of the above
Explanation: The correct sequence of layers in the mammalian egg from the outside to the inside is:b) Corona Radiata, Zona Pellucida, Plasma…
Correct answer: Corona radiata, zona pellucida, plasma membrane905. Which of the following hormones is active during the proliferative phase of the menstrual cycle:
- A. Estrogen
- B. Testosterone
- C. Progesterone
- D. All of these
Explanation: The correct answer is a) Estrogen. While estrogen is active during the proliferative phase, neither testosterone nor progesterone is…
Correct answer: Estrogen- A. Follicular phase
- B. Menstrual phase
- C. Secretory phase
- D. Proliferative phase
Explanation: The secretory phase occurs after ovulation and is also known as the luteal phase.
Correct answer: Secretory phase- A. Menarche
- B. Impotency
- C. Menopause
- D. Puberty
Explanation: Menopause is the correct term for the cessation of the menstrual cycle.
Correct answer: Menopause- A. Meiosis II
- B. Division of secondary oocyte and secondary spermatocyte
- C. Formation of first polar body
- D. Formation of second polar body
Explanation: The correct answer is:c) Formation of the first polar bodyDuring oogenesis (the process of egg cell development), the primary oocyte…
Correct answer: Formation of first polar body- A. Interphase
- B. Anaphase II
- C. Prophase I
- D. Both prophase I and II
Explanation: The correct answer is:c) Prophase IProphase I is the first phase of meiosis and is characterized by the pairing of homologous chromosomes…
Correct answer: Prophase I- A. Ovum
- B. Primary oocyte
- C. Oogonium
- D. Secondary oocyte
Explanation: The correct answer is:d) Secondary oocyteThe secondary oocyte is the immediate product of the first meiotic division (Meiosis I) of a…
Correct answer: Secondary oocyte- A. ADCEB
- B. ACEDB
- C. BACDE
- D. CADBE
Explanation: The sequence of events in the human female reproductive cycle and match them with the provided options:A-Secretion of…
Correct answer: ACEDB- A. Sperms are non-nucleate
- B. Semen is without sperms
- C. Spermatogenesis does not occur
- D. Sperms are nonmotile
Explanation: The correct answer is:b) Semen is without spermsThe vas deferens are responsible for transporting sperm from the epididymis to the…
Correct answer: Semen is without sperms- A. 6,1,2,7,5,3,4
- B. 1,6,2,7,5,4,3
- C. 1,6,2,7,5,3,4
- D. 1,2,6,7,5,3,4
Explanation: The pathway of sperm is seminiferous tubules-epididymis-vas deferens- urethra-vagina-fallopian tubes-uterus.
Correct answer: 1,6,2,7,5,3,4- A. 12
- B. 46
- C. 23
- D. 92
Explanation: The most accurate option is:b) 46Spermatogonia are the diploid precursor cells of sperm cells.
Correct answer: 46- A. Testosterone
- B. Corticosterone
- C. Oestrogen
- D. Progesterone
Explanation: The correct answer is:a) TestosteroneLeydig cells are specialized cells found in the testes of males.
Correct answer: Testosterone- A. Vagina
- B. Embryo sac
- C. Testes
- D. Ovary
Explanation: The correct answer is d) Ovary. Human eggs, also known as ova or oocytes, are produced within the ovaries.
Correct answer: Ovary- A. Seminal fluid
- B. Testosterone
- C. Sperm
- D. Urine
Explanation: The correct answer is a) Seminal fluid. The prostate gland is a major contributor to the production of seminal fluid, which is a milky…
Correct answer: Seminal fluid- A. Luteinizing hormone
- B. Progesterone
- C. Follicle-stimulating hormone
- D. Testosterone
Explanation: The corpus luteum secretes estrogens and progesterone. The latter hormone causes changes in the uterus that make it more suitable for…
Correct answer: Progesterone- A. 14th day
- B. 5th day
- C. 20th day
- D. 11th day
Explanation: The correct answer is a) 14th day. In a normal human menstrual cycle, the rapid secretion of LH (luteinizing hormone) surge usually occurs…
Correct answer: 14th day- A. Spermiogenesis
- B. Metamorphosis
- C. Spermatogenesis
- D. Gametogenesis
Explanation: The correct answer is a) Spermiogenesis. Spermiogenesis is the process by which round, non-motile spermatids (immature male germ cells)…
Correct answer: Spermiogenesis