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

Semen consists of sperms and secretion from

  1. seminal vesicles, ureter and prostate gland

  2. seminal vesicles, prostate and cowper's glands

  3. prostate and cowper's glands and follicles

  4. follicles, ureter and prostate gland
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Semen consists of sperms and secretion from seminal vesicles, prostate and cowper's glands.

Multiple choice

Sex in humans is determined at the time of

  1. fertilisation of gametes

  2. formation of male and female gametes

  3. when the zygote is developing

  4. when the embryo is developing

  5. NA
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

It is determined at the time when the embryo starts to develop.

Multiple choice

Vitelline duct is a part of

  1. human male reproductive system

  2. human female reproductive system

  3. human embryo

  4. endometrium of uterus
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

 Vitelline duct also called umbilical duct appears in human embryo at the end of fourth week and it connects the yolk sac of embryo to the mid-gut.

Multiple choice

Among the following pairs, which one is a false pair regarding the stages of syphilis and its characteristics?

  1. Latent – asymptomatic stage of variable length between primary and secondary stage syphilis

  2. Secondary – disseminated disease with immune complex deposition in joints, kidneys and eyes

  3. Tertiary – end-organ damage that will kill approximately 25% of untreated patients

  4. Primary – localized genital chancre lesion for 1–2 months

  5. Final stage – death of an individual within a week
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The latent phase of infection is an asymptomatic period between the secondary and tertiary stages of disease which can last from months to years.

Multiple choice

Name the cell formed by fusion of male and female gamete.

  1. Zygote

  2. Embryo

  3. Blastocyst

  4. Ovum
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

A zygote is the single cell formed by fertilization - fusion of male sperm and female egg. An embryo develops from the zygote after division. A blastocyst is an early embryonic stage. Ovum is the unfertilized egg.

Multiple choice

Which of the following is a sexually transmitted incurable disease ?

  1. Syphilis

  2. Gonorrhoea

  3. Trichomoniasis

  4. AIDS
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

AIDS (Acquired Immunodeficiency Syndrome) caused by HIV is currently incurable, though treatments can manage it. Syphilis, gonorrhea, and trichomoniasis are bacterial or protozoan STDs that can be cured with antibiotics.