Xenogamy or cross-pollination is performed by

$I$. Abiotic agencies

$II$. Biotic agencies

$III$. Insects only

Select the correct option for the given question

Which one of the following is not a correct explanation of cross-pollination?

Sperm cells of angiosperms differ from the rest of the plant groups like gymnosperms by

Which is functionally cross pollination involving pollination agent, but genetically it is simillar to $L$ autogamy?

Identify water pollinated plant