Question

Angiosperms features and pollination?

Answer 1

Pollination is the transfer of pollen grains from the anther of one flower to the stigma of the same or another flower. It is said to be the first process of sexual fertilization in flowering plants. Pollen grains contain the male gamete and are present in the anthers of the flower.

features of angiosperm.

all angiosperms have flowers at some stage in their life.

angiosperms have small pollengrains that spread genetic information.

all angiosperms have stamens.

Answer 2

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$Angiosperm \:Features:-$

1) These are the flowering plants, where ovule are enclosed in the ovary and hence, seeds are enclosed in the fruit.

2) This is the largest group of plants occurring in a wide range of habitats.

3) They range in size from tiny, almost microscopic Wolfia to tall tress of Eucalyptus.

4) A flower is the shoot modified for reproduction. The male and female sex organs of a flower are stamen and pistil respectively.

5) Each embryo sac has a three-called egg apparatus, one egg cell and two synergids, three antipodal cells and two polar nuclei. The polar nuclei eventually fuse to produce a diploid secondary nucleus.

$Pollination:-$

After the dispersal from the anthers, pollen grains are carried by wind or various other agencies to the stigma of a pistil. This transfer of pollen from anther to stigma is known as Pollination.

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