What is terror of Bengal?

Question

What is terror of Bengal?

Answer 1

it refers to eichhornia or water hyacinth, the most problamatic weed.

Answer 2

It is the scourge of the water bodies which is nothing but the aquatic plant i.e. "water hyaetnth". It is one of the most invasive weeds found growing wherever there is standing water. It drains oxygen from the water and leads to the death of aquatic organisms including fish.  

        The plant also having beautiful flowers and very beautiful and nice shape of leaves. It can propagated vegetatively at a very rapid rate and spread all over the water body in a short period of time, therfore it is very difficult to get rid off them.

Answer 3

It is most probably the carnivorous plant which it flesh.