Answer:
(a)In many aquatic plants with
emergent flowers,pollination occurs by wind and insects.
(b) In water plants if pollination
occurs below the surface of water is called hypohydrophilly,e.g.,
Ceratophyllum.
(c) In water plants if
pollination takes place over the surface of water is calledepihydrophily, e.g.,
Vallisneriaspiralis.
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