Human Reproduction NEET Questions

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Human reproduction is the process by which new individuals of the human species are produced. It involves the fusion of a sperm cell from the male and an egg cell from the female, forming a zygote. The zygote develops into an embryo, which grows within the mother’s uterus during pregnancy. After a gestation period, childbirth occurs, resulting in the delivery of a baby. Human reproduction is facilitated by the reproductive organs, hormones, and complex physiological processes necessary for fertilization, embryonic development, and childbirth.

Important NEET Questions on Class 12 Chapter 3 Human Reproduction

Here are some MCQs related to Human Reproduction for the NEET exam:

1. What is the site of fertilization in humans?

a. Uterus

b. Ovary

c. Cervix

d. Fallopian tube

Answer: d. Fallopian tube

2. Which hormone is responsible for the development of male secondary sexual characteristics?

a. Luteinizing hormone (LH)

b. Follicle-stimulating hormone (FSH)

c. Testosterone

d. Estrogen

Answer: c. Testosterone

3. Which hormone is responsible for ovulation in females?

a. Luteinizing hormone (LH)

b. Follicle-stimulating hormone (FSH)

c. Progesterone

d. Estrogen

Answer: a. Luteinizing hormone (LH)

4. What is the term for the process by which a mature egg is released from the ovary?

a. Fertilization

b. Implantation

c. Ovulation

d. Menstruation

Answer: c. Ovulation

5. What is the term for the process by which a fertilized egg implants itself in the wall of the uterus?

a. Fertilization

b. Implantation

c. Ovulation

d. Menstruation

Answer: b. Implantation

6. What is the function of the prostate gland in males?

a. Production of semen

b. Production of testosterone

c. Secretion of lubricating fluid during intercourse

d. None of the above

Answer: a. Production of semen

7. What is the function of the seminal vesicles in males?

a. Production of semen

b. Production of testosterone

c. Secretion of lubricating fluid during intercourse

d. None of the above

Answer: a. Production of semen

8. What is the term for the shedding of the lining of the uterus in females?

a. Fertilization

b. Implantation

c. Ovulation

d. Menstruation

Answer: d. Menstruation

9. Which hormone is responsible for maintaining the lining of the uterus during pregnancy?

a. Luteinizing hormone (LH)

b. Follicle-stimulating hormone (FSH)

c. Progesterone

d. Estrogen

Answer: c. Progesterone

10. What is the term for the surgical sterilization procedure in males?

a. Vasectomy

b. Tubal ligation

c. Hysterectomy

d. None of the above

Answer: a. Vasectomy

11. What is the primary function of the fallopian tubes in the female reproductive system?

a) Ovulation

b) Fertilization

c) Menstruation

d) Implantation

Answer: b) Fertilization

12. Which male reproductive organ produces testosterone and sperm?

a) Epididymis

b) Seminal vesicles

c) Prostate gland

d) Testes

Answer: d) Testes

13. During the menstrual cycle, the release of LH (luteinizing hormone) triggers:

a) Menstruation

b) Ovulation

c) Pregnancy

d) Fertilization

Answer: b) Ovulation

14. What is the name of the structure that connects the developing fetus to the uterine wall, allowing for nutrient and waste exchange?

a) Cervix

b) Placenta

c) Ovary

d) Urethra

Answer: b) Placenta

15. Which of the following is the correct sequence of events during human fertilization?

a) Sperm penetrates the egg, zygote forms, implantation occurs

b) Zygote forms, sperm penetrates the egg, implantation occurs

c) Implantation occurs, zygote forms, sperm penetrates the egg

d) Sperm penetrates the egg, implantation occurs, zygote forms

Answer: a) Sperm penetrates the egg, zygote forms, implantation occurs

16. Which hormone is responsible for the surge in LH (luteinizing hormone) triggering ovulation in females?

a) Estrogen

b) Progesterone

c) FSH (Follicle Stimulating Hormone)

d) GnRH (Gonadotropin-releasing Hormone)

Answer: d) GnRH (Gonadotropin-releasing Hormone)

17. What is the primary function of the corpus luteum after ovulation?

a) Produces progesterone to prepare the uterus for implantation

b) Releases estrogen to stimulate follicle growth

c) Secretes FSH to stimulate ovulation

d) Triggers the release of LH to stop menstruation

Answer: a) Produces progesterone to prepare the uterus for implantation

18. Where does fertilization typically occur in humans?

a) Uterus

b) Ovary

c) Fallopian Tube

d) Vagina

Answer: c) Fallopian Tube

19. What is the function of the acrosome in a sperm cell?

a) It provides energy for sperm motility

b) It contains enzymes that penetrate the egg’s outer layer

c) It regulates hormonal secretion in males

d) It protects the sperm cell from acidic environments

Answer: b) It contains enzymes that penetrate the egg’s outer layer

20. What is the purpose of the cervix during pregnancy?

a) It expands to accommodate the growing fetus

b) It secretes milk for the newborn after birth

c) It dilates to allow the passage of the baby during delivery

d) It produces hormones that maintain pregnancy

Answer: c) It dilates to allow the passage of the baby during delivery