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Science

Fertilization and development

In this Class 10 Science topic from “How do Organisms Reproduce?”, students learn how fertilization occurs when a sperm fuses with an ovum to form a zygote. They follow the zygote’s early divisions, implantation in the uterus, and development of the embryo and foetus, while understanding the roles of the uterus, placenta, and umbilical cord in nourishment and exchange. The topic connects human reproductive processes with the beginning of a new individual.

Easy · Level 1 · 1 questions

Practice questions

01After fertilization, the ovary of a flower develops into what?

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Answer and explanation

Correct answer: A. Fruit

In flowering plants, fertilization is followed by development of the ovary into the fruit. The ovules contained inside the ovary become seeds, which is why option B is a tempting but incorrect distractor. Pollen grains are involved in pollination before fertilization, and the stigma receives pollen. Thus, the governing biological relationship is ovary to fruit and ovule to seed, making option A correct.

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Fertilization and development

Practice questions

01After fertilization, the ovary of a flower develops into what?निषेचन के बाद फूल का अंडाशय किसमें विकसित होता है?

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01After fertilization, the ovary of a flower develops into what?