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The Human Reproductive System: Organs, Development and Reproductive Health
Reproduction is the biological process by which living organisms produce offspring of their own kind. Humans reproduce sexually: a male gamete, the sperm, fuses with a female gamete, the egg or ovum, and the resulting single cell grows into a new individual.
This topic appears in the NCERT science books of Class 8 and Class 10, and it is a regular source of factual questions in competitive examinations. The questions are almost always about structure and function: which organ produces which gamete or hormone, where a given event takes place, and how a contraceptive method works.
This short covers the male and female reproductive organs and their functions, fertilisation and implantation, the role of the placenta, the hormones of puberty, and the three main groups of contraceptive methods, all at school-textbook level.
1. Where does fertilisation normally take place in the human female?
2. Which hormone is produced by the testes?
3. What is the main function of the placenta?
4. Vasectomy is a surgical method of contraception in which
5. Which contraceptive method also gives protection against sexually transmitted infections such as HIV-AIDS?
6. Why are the testes located outside the abdominal cavity, in the scrotum?
7. Oral contraceptive pills prevent pregnancy mainly by
8. What happens if the egg released in a month is not fertilised?