(a) (1) Wind pollination
(2) Pollination by biotic agents
(b) Floral features of wind pollination :-
1. Light pollengrain
2. Dry, smooth & large quantities of pollengrains
3. Exposed stigma
4. Lack of scent
5. Lack of nectar
(c) Floral features of animal pollination :-
1. Large ower
2. Colourful and fragrant with nectar
3. Sticky pollengrain