Sexual Reproduction in Flowering PlantsHard
Question
Wind pollinated flowers are
Options
A.small, brightly, coloured, producing large number of pollen grains
B.small, producing lagre number of dry poolen grains
C.large, producing abundant nectar and pollen
D.small, producing nectar and dry pollen
Solution
Pollination taking lace by mean the wind is known as anemophily, eg, Zea mays, Cannabis, Pinus, ete. Some feature of wind pollinated flowers are -
(i) Non-essential whorls such as calys, cololla and bracts, bracteoles are not showy
(ii) The perianth lobes are undeveloped or reduced and some time absent.
(iii) Flowers are avoid of scant and nectars.
(iv) Plants producesa very large quantity of dusty pollen grains
(v) Pollen grains are dry, very small sized, non-sticky and unwettable
These features are helpful fon indviduality of pollen grains.
(i) Non-essential whorls such as calys, cololla and bracts, bracteoles are not showy
(ii) The perianth lobes are undeveloped or reduced and some time absent.
(iii) Flowers are avoid of scant and nectars.
(iv) Plants producesa very large quantity of dusty pollen grains
(v) Pollen grains are dry, very small sized, non-sticky and unwettable
These features are helpful fon indviduality of pollen grains.
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