Question

Write down about fertilisation .

Answer 1

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★ Fertilisation

It refers to the fusion of gametes .

It is also known as Syngamy .

Fertilisation is possible in sexual mode of reproduction .

➡ It can be subdivided into two types :

1. Internal fertilisation - In which fertilisation takes place inside the organism .
2. External fertilisation - In which fertilisation takes place outside the body of an organism .