To STUDY the flowers adapted to pollination by different agents such as wind, insects and birds.

Material Required

Fresh flowers

Magnifying glass

Theory

Pollination is the process of transferring pollen from the male anther of a flower to the female stigma of the same or different flower. Pollination can be carried out by different agents such as wind, WATER, birds, insects, etc.

Following are a few OBSERVATIONS of the flowers that are adapted to pollination by wind, insects and birds.

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Flowers Pollinated By Wind

Most of the conifers and ANGIOSPERMS exhibit wind pollination. Such flowers do not produce nectar and fragrance. In the flowers pollinated by the wind, the microsporangia hang out of the flower. As the wind blows, the light-weight pollen blows with it. The pollen gets accumulated on the feathery stigma of the flower. These flowers appear even before the leaves when the spring commences. Few EXAMPLES of such flowers include:

Rice

Corn

Oats

Maize

Barley

Papaya