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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

What is the main difference between fragmentation and regeneration?MediumLevel 25How is regeneration possible in Planaria?MediumLevel 25Why can vegetative propagation be useful for farmers?MediumLevel 25New plants formed from stem cuttings in plants like sugarcane and rose are examples of what?MediumLevel 25What is the main reason for similarity among plants produced by tissue culture?MediumLevel 25Why is pollination necessary before fertilisation?MediumLevel 25Which statement is correct about self pollination and cross pollination in terms of variation?MediumLevel 25What is the main function of the pollen tube?MediumLevel 25What changes occur in ovary and ovule after fertilisation in a flower?MediumLevel 25Why is seed germination not considered complete only by getting water?MediumLevel 25What is the double importance of testes in the human male reproductive system?MediumLevel 25Why are testes located outside the body in a sac?MediumLevel 25What is the main function of the sperm duct?MediumLevel 25What is the main function of ovaries in the human female reproductive system?MediumLevel 25Why does fertilisation usually occur in the fallopian tube in humans?MediumLevel 25What is the correct difference between zygote and embryo?MediumLevel 25Why is attachment of the embryo to the uterus wall necessary?MediumLevel 25Why is placenta important for the embryo?MediumLevel 25Why does menstruation occur when pregnancy does not happen?MediumLevel 25How are hormones related to reproductive ability during adolescence?MediumLevel 25