Question

what will happened when pollan grains of rose fall into papaya stigma​

Answer 1

Answer:

1. When pollen grain falls on stigma, it germinates on the stigma and produces a pollen tube which enters into the ovule release 2 male gametes.

2. First male gamete fuses with female germ cells to form a zygote.

3. A zygote divides several times to form an embryo.

4. The fertilized ovule develops into a seed.

5. When pollen grains of a flower fall on the stigma of the flower of another plant but of the same species, it is called cross-pollination.

6. If the pollen grains of the rose fall into papaya stigma​ nothing will happen.

Answer 2

From the given question the correct answer is:

• When pollen grain falls on stigma, it germinates on the stigma and produces a pollen tube which enters into the ovule release 2 male gametes.

• When pollen grains of a flower falls on the stigma of the flower of another plant but of the same species, it is called cross-pollination.

•  If the pollen grains of the rose fall into papaya stigma​ nothing will happen.

•  The First male gamete fuses with female germ cells to form a zygote.

•  A zygote divides several times to form an embryo.

•  The fertilized ovule develops into a seed.