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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1,220 questions · page 32 of 61

  • A. Urethra
  • B. Sperm dust
  • C. Pancreas
  • D. Testes

Explanation: The testes are the male reproductive organs responsible for producing sperm through a process called spermatogenesis.

Correct answer: Testes
  • A. Ovulation
  • B. Menstruation
  • C. Oestrous
  • D. All of these

Explanation: The process of discharge of ovum Is called ovulation. In human only one ovum is usually discharged from the ovary at one time, this…

Correct answer: Ovulation
  • A. Fallopian tube
  • B. Uterine tube
  • C. Both Options A and B are correct
  • D. Uterus

Explanation: The oviduct is generally called fallopian tube or uterine tube.The fallopian tubes are a pair of long, thin tubes that connect the ovaries…

Correct answer: Both Options A and B are correct
  • A. Zygote
  • B. Foetus
  • C. Embryo
  • D. All of these options are correct

Explanation: After the 3rd month of pregnancy, the implanted zygote is referred to as the fetus.

Correct answer: Foetus
  • A. 8.5 hours
  • B. 10 hours
  • C. 14 hours
  • D. 15.5 hours

Explanation: The cocklebur, Xanthium strumarium, is a short-day plant that begins to flower in the late summer and fall, when day length no longer…

Correct answer: 8.5 hours
  • A. Death
  • B. Shedding of uterine wall
  • C. Menopause
  • D. Formation of Corpus Luteum

Explanation: The secretory phase, also known as the post-ovulatory phase, is the third phase of the menstrual cycle.

Correct answer: Formation of Corpus Luteum
  • A. 10-15 minutes
  • B. 20-30 minutes
  • C. 60 minutes
  • D. 10-45 minutes

Explanation: Afterbirth is the delivery of the placenta which follows the delivery of the baby. It occurs 10 to45 minutes after the baby is born.

Correct answer: 10-45 minutes
  • A. Seminiferous tubules
  • B. Urinogenital duct
  • C. Seminal Vesicles
  • D. Vasa efferentia

Explanation: Vasa efferentia is the correct answer. The vasa efferentia are a series of ducts that connect the rete testis (a network of tubules within…

Correct answer: Vasa efferentia
  • A. Progesterone
  • B. Lactin
  • C. Oestrogen
  • D. Oxytocin

Explanation: Oestrogen (Estrogen) is the correct answer. FSH stimulates the ovary to produce estrogen (also spelled as oestrogen).

Correct answer: Oestrogen
  • A. HIV
  • B. Treponema pallidum
  • C. Neisseria gonorrhoeae
  • D. Type '2' virus

Explanation: Syphillis is caused by the bacterium Treponema Pallidum.HIV causes AIDS.

Correct answer: Treponema pallidum
  • A. Proliferative phase
  • B. Menstrual phase
  • C. Secretory phase
  • D. Ovulation phase

Explanation: From day 14 to day 28 of the menstrual cycle (secretory phase) Progesterone thickens endometrium in preparation for possible fertilization…

Correct answer: Secretory phase
  • A. HIV / AIDS
  • B. Pseudomonas Pyogenes
  • C. Treponema Pallidum
  • D. Neisseria

Explanation: The bacteria responsible for causing syphilis is treponema pallidum.

Correct answer: Treponema Pallidum
  • A. Fertilization
  • B. Pollination
  • C. Follicle formation
  • D. Ovulation

Explanation: Ovulation is the process of release or discharge of ovum or secondary oocyte from the Graffian follicle after maturation of the Graffian…

Correct answer: Ovulation
  • A. Metaphase
  • B. Prophase
  • C. Anaphase
  • D. Telophase

Explanation: Until fertilization, the secondary oocyte stops at the metaphase. After fertilization, it completes meiosis and forms a mature oocyte and…

Correct answer: Metaphase
  • A. Primary spermatocyte
  • B. Secondary spermatocyte
  • C. Spermatogonia
  • D. Spermatid

Explanation: Spermatids are haploid cells that result from the second meiotic division of secondary spermatocytes.

Correct answer: Spermatid
  • A. Interstitial Cells
  • B. Germ Cells
  • C. Sertoli Cells
  • D. Spermatocytes

Explanation: In the testes, interstitial cells are present in the connective tissue surrounding the sperm producing tubules, and are respnsible for the…

Correct answer: Interstitial Cells
  • A. Increase in the level of LH
  • B. Decrease in the level of progesterone
  • C. Increase in the level of FSH
  • D. Increase in the level of estrogen

Explanation: If fertilization doesn't occur, the corpus luteum starts to degenerate, leading to a decrease in progesterone production.

Correct answer: Decrease in the level of progesterone
  • A. Both Uterus and Cervix
  • B. Cervix
  • C. Uterus
  • D. Ovary

Explanation: Oogonia are produced by primordial germ cells during fetal development, in large numbers in the ovary.

Correct answer: Ovary
  • A. Cessation of oogenesis
  • B. Breakdown of oocytes
  • C. Ovulation
  • D. Development of zygote

Explanation: Luteinizing hormone (LH) is a hormone produced by the anterior pituitary gland.

Correct answer: Ovulation
  • A. Anaphase I
  • B. Prophase I
  • C. Metaphase I
  • D. Metaphase II

Explanation: When a female ovulates the secondary oocyte is in metaphase II. It then completes the second phase of meiosis to make a mature ovum only…

Correct answer: Metaphase II