The disadvantages of self-pollination are as follows : Continued self-pollination, generation after generation, may lead to the weakening of the variety of the species. The seeds produced through it are poor in quality and give rise to less vigorous offspring. The weaker or defective characters of the variety or breed cannot be eliminated It does …
The advantages of Self-pollination are as follows: It is much surer in such bisexual flowers where stamens and carpels mature at the same time. Parental characters are preserved indefinitely. There is no wastage of pollen grains. Even a small quantity of pollen will suffice. The flowers need not be large and showy. Scent and nectar …
Self-pollination is the transfer of pollen from the anther to the stigma of the same flower or to the stigma of another flower of the same plant.
There are two kinds of pollination: Self-pollination Cross-pollination
The pollen of a flower of another plant of the same species may fall on the stigma is called allogamy.
The pollen of the same flower may fall on its stigma by itself is called autogamy.
The anthers of the stamen produce a powdery material called pollen which consists of particles called Pollen grains.
Pollination is the process of transfer of pollen grains from the anther to the stigma.
The pollen of another flower of the same plant may fall on the stigma is called geitonogamy.
Solution : The fusion of a male and a female gamete takes place outside the body of the female is called external fertilisation. It is very common in aquatic animals such as fish, starfish, etc.
