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Subjects

Science

Reproduction

प्रजनन

In this Class 10 Science topic from the “World of Living” chapter, students explore how organisms produce new individuals and why reproduction is essential for the continuation of life. They compare asexual and sexual reproduction, study reproductive processes in plants and humans, and understand puberty, the human reproductive system, fertilisation, menstruation, and basic reproductive health. The topic also introduces contraception and the role of responsible choices in preventing unwanted pregnancy and sexually transmitted infections.

Practice questions

How can contraceptive pills prevent pregnancy?Why does a condom help in contraception as well as prevention of sexually transmitted diseases?How does a copper intrauterine device help prevent pregnancy?Which tube is tied or cut in male sterilization?Which tube is tied or cut in female sterilization?Why is clean and safe behavior necessary to prevent sexually transmitted diseases?Why is correct information important in contraception and reproductive health?Why can plants produced by vegetative propagation show less variation than plants produced from seeds?Why can spores have thick walls?Why can asexual reproduction be less useful in a changing environment even though it is fast?Why is it necessary that gametes have half the chromosome number in sexual reproduction?How does an embryo form after zygote formation?What is the relation between ovulation and menstruation?Why can pregnancy be affected if the fallopian tube is blocked?If testes cannot produce sperms, what will be the effect on male reproduction?What is the importance of ovules being present inside the ovary in a flower?What benefit can fruit provide to a plant after seed formation?Why does a seed germinate only when water, air, and suitable temperature are available?Why is reproduction necessary for continuity of a species?Why can a zygote not form without fertilization in sexual reproduction?