Pollination by water is seen in

Geitonogamy is

Choose correct sentence for pollination.

$(I)$ Majority of flowering plants use a range of animals as pollinating agents.

$(II)$ Among the animals, insects particularly flies are the dominant biotic pollinating agents.

$(III)$ Majority of insect pollinating flowers are small and less colorful.

$(IV)$ The body of the animal gets a coating of pollen grains, which are generally sticky in animal pollinated flowers.

Which one of the following statements is correct?

When pollen grains of a flower pollinate the stigma of another flower of the same plant, it is called