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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 2 · 25 questions

Practice questions

01What is the correct difference between a zygote and an embryo?

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02Why must the developing embryo implant in the wall of the uterus?

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03Why is the placenta important for the developing embryo?

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04Why does menstruation occur when pregnancy does not happen?

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05How do hormones relate to reproductive development during adolescence?

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06Deepening of the voice in boys is a normal change associated with which life stage?

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07Why is a condom considered a method that can provide dual protection?

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08How does a copper-releasing intrauterine device (Copper T) help prevent pregnancy?

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09How do hormonal contraceptive pills generally help prevent pregnancy?

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10Why is sterilisation considered a permanent contraceptive method?

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11Why is safe behaviour important for preventing sexually transmitted infections (STIs)?

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12Why are hygiene and accurate information both important for reproductive health?

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13Why must gametes have half the usual chromosome number in sexual reproduction?

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14After fertilisation, by what process does a zygote develop into an embryo?

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15Why does the male gamete in a flower travel through a pollen tube to reach the ovule?

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16If a flower has stamens but no pistil, what type of flower is it?

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17What is a flower called if it has both stamens and a pistil?

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18Why are agents such as insects and wind important for pollination?

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19What is one important role of a fruit after seeds have formed?

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20Why can asexual reproduction be less advantageous in a changing environment, even though it can be fast?

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21Sexual reproduction may take more time and energy. Why can it still be beneficial?

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22What does ovulation mean?

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23What is the main function of the uterus in humans?

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24Why is reproductive health education important?

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25Which is the most balanced conclusion about reproduction?

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