Question

How do we get a plant form the seed?​

Answer 1

Answer:

When pollen lands on the flower's stigma, it germinates and forms a pollen tube, which then quickly grows towards the plant's ovary. Once it finds an ovule, the pollen tube bursts to release sperm cells, which fertilize the ovule and initiate seed formation.

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Answer 2

All flowering plants produce seeds. The seeds are a tiny part of a plant which gives rise to a new plant. Different seed is found in different shapes, sizes, and colors. It can be a pip (like an apple), a nut (in walnut), or a bean (pea, pulses).

Germination of a Seed

Germination means the development of a seed into a new plant. All seeds do not germinate. Only those which get suitable conditions grow into new plants. The conditions necessary for a seed to germinate are:

• Air to breathe.
• Water to make the seed coat soft. This enables the baby plant to break the seed coat open and come out.
• Warmth to make its cells active.

Germination occurs in following stages:

1. The seeds absorb water through the seed hole. The cells of the embryo start dividing and increasing in size.
2. The seed coat breaks open and the root (radical) sprout and grows downwards.
3. Then the shoot (plumule) start growing upwards, which later produces stem and leaves.
4. When the seedling grows green leaves, it starts making its own food.
5. By this time, cotyledons dry up and fall. The seedling then develops into a new plant.