Question

Give a concise account on steps involved in fertilization of an angiosperm plant.


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Answer 1

Answer:

• Angiosperms, or flowering plants, undergo a unique process called double fertilization. After pollination brings a pollen grain to a flower's female reproductive structure (carpel), a pollen tube releases two sperm cells. One of these sperm cells unites with an egg cell to produce a diploid zygote

Explanation:

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Answer 2

Answer:

Steps involved in fertilization of angiospermic plant:

• Germination of pollen grain on stigma.

• Formation of pollen tube in stigma.

• Growth of pollen tube inside the style.

• The direction of the pollen tube towards the micropyle of the ovule.

• Entry of pollen tube into the synergid of embryo sac.
• Discharge of male gamete from pollen tube.
• Fusion of male gamete with egg cell (syngamy).
• Fusion of second male gamete with pollen nuclei.

Explanation: