What is pollination ? Name different types of pollination.

Solution

Pollination. It is the transfer of pollen grains from the anther to stigma.

Pollination is of two types :

1. Self-pollination. It is also called autogamy. The pollen grains are transferred from the anther to the stigma of the same flower. e.g hibiscus.

2. Cross-pollination. It is also called allogamy. If the transfer of pollen takes place from anther to stigma of a different flower of same plant, it is known as Geitonogamy. e.g Maize.
On the other hand, if cthe transfer occurs from anther to stigma of a different flower of different plant, it is called the Xenogamy. e.g papaya.

Some More Questions From Sexual Reproduction in flowering Plants Chapter

In ................... flowers, the thalamus grows upwards completely enclosing the ovary, and the stamens, petals and sepals are borne above the ovary.

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Sexual Reproduction In Flowering Plants

What is pollination ? Name different types of pollination.

Some More Questions From Sexual Reproduction in flowering Plants Chapter

In a bisexual flower when the gynaecium matures earlier than anther, it is called as :

Simultaneous meiotic division of microspore mother cells leads to :

The fertilization occurs in the :

The female gametophyte of a typical dicot at the time of fertilization is:

Development of embryo from any cell of nucellus is called :

Parthenocarpic fruit is :

The entry of pollen tube into embryo sac through the integuments is termed as :

512 microspores will be formed following meiosis of how many microspore mother cells.

Pollination by water occurs in :

In ................... flowers, the thalamus grows upwards completely enclosing the ovary, and the stamens, petals and sepals are borne above the ovary.

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