The correct option is
D Flowers are large and colourful
Wind pollination or anemophily
Pollination by wind is called anemophily. Wind pollinated or anemophilous flowers have the following characteristics:
∙Flowers are small, colourless, inconspicuous and do not produce nectar or scent.
∙Numerous flowers are organised into an inflorescence.
∙Pollen grains are produced in large numbers.
Wind pollination or anemophily
∙Pollen grains are light, dry, non-sticky and may bear wings to be easily carried away by wind over long distances.
∙Stigmas are usually branched, broad, well-exposed and feathery to trap pollen from the air.
Large and colourful flowers
Colored, showy, aromatic, and nectar-producing flower characters of flowers which depend on insects for pollination.
Final answer
(D) Flowers are large and colourful