Free Reproduction MCQs with Answers
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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 19 of 61
- A. Fallopian tube
- B. Urethra
- C. Vagina
- D. All of the choices are correct
Explanation: The uterus opens into the vagina through the cervix. The cervix is the lower part of the uterus that connects to the vagina, serving as a…
Correct answer: Vagina- A. A follicular cycle
- B. An estrous cycle
- C. A menstrual cycle
- D. A luteal cycle
Explanation: An estrous cycle is the reproductive cycle in mammals, during which the female is sexually receptive and displays behaviors to attract…
Correct answer: An estrous cycle- A. Myometrium
- B. Perimetrium
- C. Endometrium
- D. Both (A) and (C)
Explanation: The uterine wall is composed of three layers which are endometrium, myometrium, and perimetrium.
Correct answer: Endometrium- A. Progesterone
- B. Follicle stimulating hormone
- C. Luteinizing hormone
- D. Chorionic gonadotrophic hormone
Explanation: The follicle cells, after release of the egg. are modified to form a special structure called corpus luteum.
Correct answer: Progesterone- A. Corpus luteum
- B. Graffian follicle
- C. Primary follicle
- D. Germinal epithelium
Explanation: Graffian follicle is the mature follicle that releases the secondary oocyte during ovulation.
Correct answer: Graffian follicle- A. Morula, parturition
- B. Blastocyst, parturiton
- C. Blastocyst, implantation
- D. Morula, implantation
Explanation: The blastocyst is the stage at which the embryo implants into the endometrial lining of the uterus.
Correct answer: Blastocyst, implantation- A. Oxytocin
- B. Follicle stimulating hormone
- C. Luteinizing hormone
- D. None of these
Explanation: The release of milk from mammary glands is primarily controlled by oxytocin.
Correct answer: Oxytocin368. An egg fertilized in the laboratory and then implanted in the uterus for development is called:
- A. Cloning
- B. Test tube baby
- C. Both (A) and (B)
- D. In vivo fertilization
Explanation: Test tube babies term refers to a baby conceived through in vitro fertilization (IVF), where an egg is fertilized by sperm outside the…
Correct answer: Test tube baby- A. Implantation period
- B. Gestation period
- C. Extra uterine period
- D. Imprinting period
Explanation: Gestation period also known as pregnancy, this is the time from conception (fertilization of the egg by sperm) until birth.
Correct answer: Gestation period- A. 30 to 40 years
- B. 45 to 50 years
- C. 60 to 65 years
- D. 70 years
Explanation: In human beings, menstrual cycle cease around 50 year of age and it is termed menopause.
Correct answer: 45 to 50 years- A. Gonadotropin
- B. Oxytocin
- C. Luteinizing hormone
- D. Progesterone
Explanation: The term gonadotropin refers to hormones that stimulate the gonads (testes and ovaries).
Correct answer: Gonadotropin- A. Syphilis
- B. Genital herpes
- C. Gonorrhea
- D. AIDS
Explanation: Syphilis is caused by the bacterium Treponema pallidum. It's a sexually transmitted infection (STI) that can have serious complications if…
Correct answer: Syphilis- A. A bacterium
- B. A sporozoan
- C. A virus
- D. A fungus
Explanation: Genital herpes is a type of STD caused by a virus, specifically the herpes simplex virus (HSV).
Correct answer: A virus- A. Menstruation
- B. Pregnancy
- C. Implantation
- D. All (A), (B) and (C)
Explanation: Menstruation occurs when the lining of the uterus sheds in the absence of pregnancy.
Correct answer: Menstruation- A. Amnion
- B. Chorionic villum
- C. Umbilical cord
- D. Allantois
Explanation: The umbilical cord is a flexible tube-like structure that connects the fetus to the placenta.
Correct answer: Umbilical cord376. Gonorrhea is:
- A. Bacterial disease
- B. Viral disease
- C. Protozoanal disease
- D. Fungal disease
Explanation: Gonorrhea is a bacterial disease caused by the bacterium Neisseria gonorrhoeae.
Correct answer: Bacterial disease- A. In vitro fertilization
- B. In vivo fertilization
- C. Both (A) and (B)
- D. None of these
Explanation: The technique of In vitro fertilization involves fertilizing an egg with sperm outside the body, typically in a laboratory dish.
Correct answer: In vitro fertilization- A. Graffian follicle
- B. Corpus luteum
- C. Placenta
- D. All choices are incorrect
Explanation: The placenta is the correct answer. It is an organ that develops in the uterus during pregnancy and serves as a connection between the…
Correct answer: Placenta- A. Prolactin
- B. GnRH
- C. FSH
- D. Oxytocin
Explanation: Oxytocin is the hormone primarily responsible for stimulating contractions of the uterine muscles during labor (parturition).
Correct answer: Oxytocin- A. 20,000
- B. 250,000
- C. 300,000
- D. 450
Explanation: Each female ovary potentially contains 200,000 follicles. Formed before her birth, of these, only several hundred will release egg cells…
Correct answer: 450