Biology

Human Reproductive System

786 Questions

The human reproductive system covers the anatomy of reproductive organs, gamete production, fertilization processes, and reproductive technologies. This is a highly scoring area in biology sections of competitive exams. Use these questions to practice key concepts.

Fertilization processGamete productionReproductive organ functionsAssisted reproductive technology

Human Reproductive System Questions

Multiple choice

Consider the following statements: (a) Ovulation is the process where ova are formed and developed in the germinal epithelium of the ovary. (b) Spermiogenesis is the process where spermatids are transformed into haploid and flagellated spermatozoans. (c) Spermatogenesis is the process where haploid spermatozoans are formed from the diploid sperm mother cells in the seminiferous tubules of testes. Which of the above statements is / are correct?

  1. Only (a) and (c)

  2. Only (a) and (b)

  3. Only (b) and (c)

  4. All of the above

  5. None of the above
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Statement (a) is incorrect. Oogenesis, not ovulation, is the process where ova are formed and developed in the germinal epithelium of the ovary. Statement (b) is correct. Spermiogenesis is the process where spermatids are transformed into haploid and flagellated spermatozoans. Statement (c) is correct. Spermatogenesis is the process where haploid spermatozoans are formed from the diploid sperm mother cells in the seminiferous tubules of testes.

Multiple choice

Consider the following statements: (a) Vas deferens is a straight muscular tube carrying sperms from epididymis to urethra. (b) Vagina receives the ovum from the ovary and the ovum is fertilized inside the fallopian tube. (c) Fallopian tubes serve as the lower portion of the birth canal and helps in uterine secretion and menstrual flow. Which of the above statements is / are incorrect?

  1. Only (b) and (c)

  2. Only (a) and (c)

  3. Only (a) and (b)

  4. All of the above

  5. None of the above
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Statement (a) is correct. Vas deferens is a straight muscular tube carrying sperms from epididymis to urethra. Statement (b) is incorrect. Fallopian tubes receive the ovum from the ovary and the ovum is fertilized inside the fallopian tube. Statement (c) is incorrect. Vagina serves as the lower portion of the birth canal and helps in uterine secretion and menstrual flow.

Multiple choice

Consider the following statements: (a) Scrotum keeps the testes at a cooler temperature than the body temperature to produce viable spermatozoa. (b) Graafian follicles produce the ova and female sex hormone oestrogens. (c) The proximal centriole passes into the ovum during fertilization and helps in first division of the fertilized ovum. Which of the above statements is / are correct?

  1. Only (a) and (c)

  2. Only (a) and (c)

  3. Only (a) and (c)

  4. All of the above

  5. None of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Statement (a) is correct. Scrotum keeps the testes at a cooler temperature than the body temperature to produce viable spermatozoa. Statement (b) is correct. Graafian follicles produce the ova and female sex hormone oestrogens. Statement (c) is correct. The proximal centriole passes into the ovum during fertilization and helps in first division of the fertilized ovum. All are correct.

Multiple choice

Consider the following statements: (a) Surgical removal of uterus is called hysterectomy. (b) Partial or complete absence of sperms in semen is called zoospermia. (c) The period from fertilization till birth of child is called gestation period. Which of the above statements is / are correct?

  1. Only (b) and (c)

  2. Only (a) and (c)

  3. Only (a) and (b)

  4. All of the above

  5. None of the above
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Statement (a) is correct. Surgical removal of uterus is called hysterectomy. Statement (b) is incorrect. Partial or complete absence of sperms in semen is called azoospermia. Statement (c) is correct. The period from fertilization till birth of child is called gestation period.

Multiple choice

Consider the following statements: (a) The method of surgical operation in female where fallopian tube is cut and tied for family planning is called vasectomy. (b) The gestation period in human female is around 380 days. (c) The full form of AIH is Artificial Insemination Husband. Which of the above statements is / are incorrect?

  1. Only (a) and (b)

  2. Only (a) and (c)

  3. Only (b) and (c)

  4. All of the above

  5. None of the above
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Statement (a) is incorrect. The method of surgical operation in female where fallopian tube is cut and tied for family planning is called tubectomy. Statement (b) is incorrect. The gestation period in human female is around 280 days. Statement (c) is correct. The full form of AIH is Artificial Insemination Husband.

Multiple choice

Consider the following statements: (a) Endometrium is the innermost layer of uterus, which is highly vascularised and rich in glands. (b) Gametogenesis is the process of formation of gametes in sexual reproduction. (c) Ribosomes provide energy for the movement of sperm. Which of the above statements is / are correct?

  1. Only (a) and (c)

  2. Only (a) and (b)

  3. Only (b) and (c)

  4. All of the above

  5. None of the above
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Statement (a) is correct. Endometrium is the innermost layer of uterus, which is highly vascularised and rich in glands. Statement (b) is correct. Gametogenesis is the process of formation of gametes in sexual reproduction. Statement (c) is incorrect. Mitochondria provides energy for the movement of sperm. Ribosomes are not present.

Multiple choice

Consider the following statements: (a) Uterus is the site for implantation of embryo, menstruation and child birth. (b) Fallopian tubes secrete progesterone hormone for maintaining pregnancy. (c) Seminiferous tubules form the spermatozoa and secrete testosterone. Which of the above statements is / are correct?

  1. Only (a) and (b)

  2. Only (b) and (c)

  3. Only (a) and (c)

  4. All of the above

  5. None of the above
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Statement (a) is correct. Uterus is the site for implantation of embryo, menstruation and child birth. Statement (b) is incorrect. Corpus luteum, not fallopian tubes, secrete progesterone hormone for maintaining pregnancy. Statement (c) is correct. Seminiferous tubules form the spermatozoa and secrete testosterone.

Multiple choice

Consider the following statements: (a) Cowper's gland is present below prostate gland and its secretion is alkaline and serves as lubricant for semen. (b) Egg is a result of gametogenesis (oogenesis) and has haploid number of chromosomes. (c) Zygote is a result of fertilisation of egg by male gamete and has diploid number of chromosomes. Which of the above statements are correct?

  1. Only (b) and (c)

  2. Only (a) and (c)

  3. Only (a) and (b)

  4. All of the above

  5. None of these
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Statement (a) is correct. Cowper's gland is present below prostate gland and its secretion is alkaline and serves as lubricant for semen. Statement (b) is correct. Egg is a result of gametogenesis (oogenesis) and has haploid number of chromosomes. Statement (c) is correct. Zygote is a result of fertilisation of egg by male gamete and has diploid number of chromosomes.

Multiple choice

Which of the following statements is incorrect?

  1. Vasa efferentia leave the testis and open into epididymis.

  2. Vas deferens that ascends to the abdomen and loops over the urinary bladder.

  3. Seminiferous tubules of the testis open into the vasa efferentia.

  4. Epididymis leads to vas deferens.

  5. Rete testis is between epididymis and vas deferens.
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

Seminiferous tubules of the testis open into the vasa efferentia through rete testis.

Multiple choice

Which of the following is not a correct pair?

  1. Death rate : Mortality

  2. Birth rate : Natality

  3. Tubectomy : Female

  4. Vasectomy : Male

  5. Castration : Vas deferens
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

Castration : Testis, is the correct match, as in castration, testis is cut and sealed, not Vas deferens.

Multiple choice

Consider the following statements: (a) Endometrium is the innermost layer of uterus which is highly vascularized and rich in glands. (b) Gametogenesis is the process of formation of gametes in sexual reproduction. (c) Golgi provide energy for the movement of sperm. Which of the above statements are correct?

  1. Only (a) and (c)

  2. Only (a) and (b)

  3. Only (b) and (c)

  4. All of the above
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Statement (a) is correct. Endometrium is the innermost layer of uterus which is highly vascularized and rich in glands. Statement (b) is correct. Gametogenesis is the process of formation of gametes in sexual reproduction. Statement (c) is incorrect. Mitochondria provides energy for the movement of sperm.

Multiple choice

Male : Female; Cowper's gland : _________.

  1. Bartholin's gland

  2. Mammary glands

  3. Skene's gland

  4. Lymph glands

  5. None of these
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Yes, it is correct. The secretion of this gland lubricates the urethra before ejaculation and neutralizes the acidic traces of urine in the urethra by Cowper's in males and Bartholin's in females.