Correct Answer - B
Water hyacinth has single spike of 8-15 conspicuous attractive flowers which attract bees and other insects. These insects pollinate them. This plant is an aquatic weed.
Water lily is also an aquatic plant with large conspicuous coloured flowers. Most of the species are bee pollinated except few species where wind pollination occurs. Insects pollinated flowers have coloured petals, big size and they offer fragrance and nectar to attract insects which bring about pollination in them.
