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Subjects

Science

Reproduction

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.

Medium · Level 1 · 25 questions

Practice questions

01Growth of the pollen tube towards the ovule occurs due to what?

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02Why is reproduction considered an essential life process even though it is not immediately necessary for an individual organism's survival?

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03Why are offspring in asexual reproduction usually similar to the parent?

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04Why does sexual reproduction generally produce more variation than asexual reproduction?

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05Why can small errors during DNA copying in reproduction be important?

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06What is the main difference between binary fission and multiple fission?

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07Why does binary fission in Amoeba not occur in one fixed plane?

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08Why does binary fission in Leishmania occur in a definite plane?

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09How is spore formation in Rhizopus useful during unfavourable conditions?

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10What feature of reproduction does budding in Hydra demonstrate?

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11What is the main difference between fragmentation and regeneration?

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12How is regeneration possible in Planaria?

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13Why can vegetative propagation be useful for farmers?

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14New plants formed from stem cuttings in plants such as sugarcane and rose are examples of what?

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15What is the main reason that plants produced by tissue culture are similar to one another?

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16In flowering plants, why must pollination occur before fertilisation?

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17Which statement about self-pollination and cross-pollination is correct with regard to variation?

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18What is the main function of the pollen tube?

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19What happens to the ovary and ovule after fertilisation in a flower?

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20Why is water alone not enough for a seed to germinate?

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21What are the two important functions of the testes in the human male reproductive system?

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22Why are the testes located in a sac outside the main body cavity?

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23What is the main function of the sperm duct (vas deferens)?

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24What is the main function of the ovaries in the human female reproductive system?

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25Why does fertilisation usually occur in a fallopian tube in humans?

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