Question

i usualy go for late evening walk with my father who is a Biology teacher while walking i saw and plants having coloured ialso saw few plant having white flowers and I was smelled Aroma being emitted by them I was curious and asked my father the following question first why do plants have variously coloured flowers give two reason second what is responsible for colour in plants why do certain flowers emit Aroma how does Aroma of flowers spread in the environment

Answer 1

aroma of the flowers is spread by pollen grain to attract bees