GENERAL KNOWLEDGE

Detailed explanation-1: -Pollination is an important process for flowering plants to survive. Since most flowering plants cannot pollinate on their own, they have to rely on other animals. Many small birds, such as sunbirds and hummingbirds are key pollinators.

Detailed explanation-2: -Note: Some of the examples of the ornithophilous plants are, bottle brush, red coral tree, and silk cotton and examples of birds are hummingbirds, sunbirds, honeyeaters, and honeycreepers, etc.

Detailed explanation-3: -Ornithophilous flowers are the flowers whose pollination is done by birds. To attract birds they have to produce a lot of nectar and also have tubular structure so that birds can suck the nectar well.