First slide

Pre-fertilisation : Structures and Events

Question

Wind pollinated flowers are

Easy

A

small, brightly coloured, producing large number of pollen grains.
B

small, producing a large number of dry pollen grains, feathery stigma.
C

large, producing abundant nectar and pollen
D

small, nectar producing, pollen are dry.

Solution

Wind pollination also requires that the pollen grains are light and non-sticky so that they can be transported in wind currents. They often possess well-exposed stamens (so that the pollens are easily dispersed into wind currents) and large often-feathery stigma to easily trap air-borne pollen grains. Wind pollinated flowers often have a single ovule in each ovary and numerous flowers packed into an inflorescence. The wind pollinated flowers do not produce nectar and odour.

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