Question

Explain how the male gametes in the pollen grain reaches the female gamete present in the ovule

Answer 1

male gametes are present in stamen known as pollen grains. during self pollination or cross pollination the pollen grains move towards the ovules by constructing a pollen tube by chemotropism. the egg is formed.  

Answer 2

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→ Fertilization takes place after pollination.

→ The pollen grain develops a tube called pollen tube which carriers male germ cells to the ovary.

→ The male germ cells fuses with the female germ cell in the ovary and forms zygote.

→ The Zygote further forms the embryo.

→ The embryo develops a protective coating and forms seed.

→ The ovary forms a fruit with seed in it.

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