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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 6 · 25 questions

Practice questions

01What happens to the uterine lining if fertilization does not occur?

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02Why is the placenta necessary for the embryo?

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03What is the attachment of the embryo to the uterine wall called?

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04What mainly controls maturation of reproductive organs during adolescence?

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05What is the general difference between male and female gametes based on size and movement?

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06How can contraceptive pills prevent pregnancy?

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07Why does a condom help in contraception as well as prevention of sexually transmitted diseases?

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08How does a copper intrauterine device help prevent pregnancy?

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09Which tube is tied or cut in male sterilization?

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10Which tube is tied or cut in female sterilization?

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11Why is clean and safe behavior necessary to prevent sexually transmitted diseases?

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12Why is correct information important in contraception and reproductive health?

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13Why can plants produced by vegetative propagation show less variation than plants produced from seeds?

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14Why can spores have thick walls?

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15Why can asexual reproduction be less useful in a changing environment even though it is fast?

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16Why is it necessary that gametes have half the chromosome number in sexual reproduction?

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17How does an embryo form after zygote formation?

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18What is the relation between ovulation and menstruation?

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19Why can pregnancy be affected if the fallopian tube is blocked?

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20If testes cannot produce sperms, what will be the effect on male reproduction?

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21What is the importance of ovules being present inside the ovary in a flower?

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22What benefit can fruit provide to a plant after seed formation?

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23Why does a seed germinate only when water, air, and suitable temperature are available?

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24Why is reproduction necessary for continuity of a species?

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25Why can a zygote not form without fertilization in sexual reproduction?

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