Biology
Human Reproductive System
751 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
Which of the following is a common method of castration in male animals?
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Surgical castration
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Chemical castration
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Immunological castration
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Mechanical castration
A
Correct answer
Explanation
Surgical castration is a common method of castration in male animals, where the testicles are surgically removed.
What is the process by which a female bird lays eggs called?
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Oviposition
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Incubation
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Hatching
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Brooding
A
Correct answer
Explanation
Oviposition is the process by which a female bird lays eggs.
Which of the following is not a part of the male reproductive system?
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Testes
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Epididymis
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Vas deferens
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Uterus
D
Correct answer
Explanation
The uterus is a part of the female reproductive system, not the male reproductive system.
What is the process by which a sperm fertilizes an egg called?
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Ovulation
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Fertilization
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Implantation
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Gestation
B
Correct answer
Explanation
Fertilization is the process by which a sperm fertilizes an egg.
Where does the fertilized egg implant after fertilization?
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Ovary
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Fallopian tube
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Uterus
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Cervix
C
Correct answer
Explanation
The fertilized egg implants in the uterus after fertilization.
What is the term for the process by which fish and shellfish release their eggs and sperm into the water?
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Spawning
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Fertilization
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Gestation
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Incubation
A
Correct answer
Explanation
Spawning is the term for the process by which fish and shellfish release their eggs and sperm into the water. This can occur in a variety of ways, including through external fertilization (where the eggs and sperm are released into the water and fertilized externally) and internal fertilization (where the eggs are fertilized inside the body of the female).
What is the term for the process by which fish and shellfish produce eggs and sperm?
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Spawning
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Fertilization
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Gestation
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Gametogenesis
D
Correct answer
Explanation
Gametogenesis is the term for the process by which fish and shellfish produce eggs and sperm. This process involves the formation and maturation of gametes (eggs and sperm) in the gonads (ovaries and testes).
What is the most common type of testicular cancer?
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Seminoma
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Non-seminoma
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Mixed germ cell tumor
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Leydig cell tumor
A
Correct answer
Explanation
Seminoma is the most common type of testicular cancer, accounting for about 50% of all cases.
What is the most common type of non-seminoma testicular cancer?
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Embryonal carcinoma
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Yolk sac tumor
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Choriocarcinoma
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Teratoma
A
Correct answer
Explanation
Embryonal carcinoma is the most common type of non-seminoma testicular cancer.
Which part of the egg is responsible for fertilization?
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Yolk
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Albumen
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Germinal disc
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Chalazae
C
Correct answer
Explanation
The germinal disc is a small, white spot on the surface of the yolk and is the site of fertilization.
Which of the following is NOT a part of the male reproductive system?
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Prostate
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Testicles
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Urethra
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Ovaries
D
Correct answer
Explanation
Ovaries are part of the female reproductive system, not the male reproductive system.
What is the process by which a sperm cell and an egg cell unite to form a zygote?
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Fertilization
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Ovulation
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Implantation
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Gestation
A
Correct answer
Explanation
Fertilization is the process by which a sperm cell and an egg cell unite to form a zygote, which is the first cell of a new organism.
Where does fertilization typically occur in humans?
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Fallopian tube
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Uterus
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Cervix
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Vagina
A
Correct answer
Explanation
Fertilization typically occurs in the fallopian tube, which is a thin tube that connects the ovary to the uterus.
What is the term for the process by which marine organisms release eggs and sperm into the water for external fertilization?
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Spawning
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Brooding
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Viviparity
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Oviparity
A
Correct answer
Explanation
Spawning refers to the process where marine organisms release their reproductive cells into the water, allowing for external fertilization.
What is the most common type of male infertility treatment?
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Surgery
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Medication
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Artificial insemination
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In vitro fertilization (IVF)
C
Correct answer
Explanation
Artificial insemination, in which sperm is directly placed into the woman's uterus or cervix, is the most common type of male infertility treatment, with a success rate of approximately 15-20% per cycle.