Life cycle of Pteridophytes

Vegetative reproduction of Pteridophyta is by rhizome. Rhizome grows all of direction as colony. Pteridophyta have life cycle known as metagenesis with two generations,…

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Test-Tube Babies/IVF

In some women, the fallopian tubes (oviducts) are blocked due to some reasons. These women are unable to bear babies…

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Nitrogen Cycle | Grade VIII

The cyclic process of nitrogen being fixed, used by plants and animals and later returned to the atmosphere, is referred…

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