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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

If cytoplasm does not divide after nuclear division in Amoeba why will binary fission not be complete?Why can offspring in asexual reproduction be slightly different even though they are mostly similar?What is the main difference between binary fission and multiple fission?During budding in Hydra when can the new organism separate from the parent?Why can each broken piece of Spirogyra form a new organism?What is the correct difference between fragmentation and regeneration?Why is regeneration clearly observed in Planaria?How do spores in bread mould help reproduction by spreading far and wide?Why is vegetative propagation useful in plants that produce few seeds?Why can a new plant form when potato eyes are planted?Buds formed on the margins of Bryophyllum leaves are an example of which type?Why are plants produced by vegetative propagation similar to the parent?What is the main reason for greater variation in sexual reproduction?What is the correct relation between roles of stamen and pistil in a flower?What is the correct difference between pollination and fertilisation?If pollen grains reach the stigma but pollen tube does not form why can fertilisation stop?Why can cross pollination produce more variation than self pollination?What is the correct change in ovule and ovary after fertilisation?What is the most correct reason for seeds being found inside a fruit?Why is water important in seed germination?