Geitonogamy is

Flowers which have single ovule in the ovary and are packed into inflorescence are usually pollinated by

Xenogamy or cross-pollination is performed by

$I$. Abiotic agencies

$II$. Biotic agencies

$III$. Insects only

Select the correct option for the given question

Feathery stigma is present in

In maize, pollination is

Ornithophily refers to the pollination by which of the following?