Question

define fertilization

Answer 1

When a pollen grains reaches the stigma it begins to grow a pollen tube that goes down through the style to reach the ovules inside the ovary. A male gamete or male sex cell travel down each pollen tube and fuses with the egg cell or a female gamete inside an ovule . The process of fusion of the male gamete with female gamete is called fertilization

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Answer 2

$\bf Fertilisation :$

When there is a fusion in the male gamete and female gamete for the formation of zygote, this action or you may say process of fertilising an egg is termed as fertilization.

$\bf Zygote :$

When the sperm, or male gamete and the ovum, or female gamete fuse together, then the product or output of fertilization is called zygote.

$\bf Types \: of \: Fertilisation :$

There are two types of fertilization ;

★ Internal Fertilization

★ External Fertilization