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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

Deepening of voice in boys is a normal change related to which life stage?Why is condom considered a method that can provide dual protection?How does Copper T help prevent pregnancy?How do contraceptive pills generally help prevent pregnancy?Why is sterilisation considered a permanent contraceptive method?Why is safe behaviour necessary to prevent sexually transmitted diseases?Why are hygiene and correct information both important in reproductive health?Why is it necessary for gametes to have half the chromosome number in sexual reproduction?After fertilisation in sexual reproduction by which process does the zygote become an embryo?Why does the male gamete in a flower need a pollen tube instead of reaching the ovule directly?If a flower has only stamens and no pistil what type of flower is it?If a flower has both stamen and pistil what is it called?Why are agents like insects and wind important for pollination?What is the importance of fruit after seed formation?Even though asexual reproduction is fast why can it be limited in a changing environment?Sexual reproduction may require more time and energy yet why is it beneficial?What is the meaning of ovulation?What is the main function of uterus in humans?Why is health education important in reproduction?What is the most balanced conclusion of the chapter on reproduction?