Which one of the following is an example of cleistogamy
Sunflower
Vallisneria
Commelina
Calatropis
In plants, in nature, autogamy is avoided since the seeds produced
Self-incompatibility is a device for
$I$. Ensuring cross-pollination
$II$. Preventing self-pollination
$III$. Ensuring self-fertilisation
$IV$. Genetic control for self-fertilisation
Choose the correct statements from those given above
Cheiropterophily is the process of pollination by
In maize, pollination is