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.
Last updated
Read the Reproduction notesFree MDCAT chapter notes with key terms1,220 questions · page 61 of 61
- A. Only by inhibition of Luteinizing Hormone.
- B. Inhibition of FSH & stimulation of LH.
- C. Inhibition of LH & stimulation of FSH.
- D. Inhibition of both FSH & LH.
Explanation: Luteinizing Hormone is the one which stimulates the ovulation of the follicle.
Correct answer: Only by inhibition of Luteinizing Hormone.- A. Estrogen
- B. Progesterone
- C. Luteinizing hormone
- D. Follicle stimulating hormone
Explanation: Option A, estrogen, is the hormone that causes the development and thickening of the endometrial lining.Option B, progesterone, is the…
Correct answer: Luteinizing hormone- A. Genital herpes
- B. Gonorrhea
- C. AIDS
- D. Syphilis
Explanation: Explanation:Gonorrhea is a bacterial infection caused by the bacterium Neisseria gonorrhea.
Correct answer: Gonorrhea- A. Abdominal Pain
- B. Vesicular lesions in the epithelial layer
- C. Fever
- D. Failure of immune system
Explanation: Explanation:This is a common symptom of herpes simplex, which presents as painful, fluid-filled blisters or vesicles on or around the…
Correct answer: Vesicular lesions in the epithelial layer- A. Blood transfusion
- B. Blood clotting
- C. Absence of fibrinogen
- D. Contaminated soil
Explanation: Hepatitis B is a potentially life-threatening liver infection caused by the hepatitis B virus (HBV). It is a major global health problem.
Correct answer: Blood transfusion- A. Oro-fecal Route
- B. Unsafe Sex
- C. Vector Borne
- D. Droplet Infection
Explanation: Gonorrhea is a sexually transmitted disease that is introduced into the body through sexual contact, usually through genitals and oral…
Correct answer: Unsafe Sex- A. Hair
- B. Heart
- C. Peripheral Nervous System
- D. Birth canal
Explanation: Syphilis, at its late stages, is known to cause cardiovascular diseases which involve the enlargement of the heart such that the aorta can…
Correct answer: Heart- 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 twins1211. 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, urethra1212. 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- A. Uterus
- B. Ovaries
- C. Graffian follicles
- D. Urinary bladder
Explanation: In women, FSH helps manage the menstrual cycle and stimulates the ovaries to produce eggs.
Correct answer: Graffian follicles- A. 6-8 days
- B. 9-15 days
- C. 16-22 days
- D. 22-28 days
Explanation: This is generally considered the fertile window in the menstrual cycle.
Correct answer: 9-15 days- A. Bacteria
- B. Virus
- C. Parasite
- D. None of the above
Explanation: Gonorrhea is a sexually transmitted infection caused by the gram-negative bacterium Neisseria gonorrhoeae.
Correct answer: Bacteria- A. 4 and 20 weeks
- B. 6 and 20 weeks
- C. 2-26 weeks
- D. 2-6 weeks
Explanation: The incubation period of the hepatitis B virus ranges from 30 to 180 days, which translates to approximately 4 to 20 weeks.
Correct answer: 4 and 20 weeks