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Correct Answer: B
Solution :
\ [b] Water hyacinth "Terror of Bengal" is an aquatic plant which is one of the most invading weeds found growing in the standing water. It is also called as "blue devil' as it takes oxygen from the water which causes death of fishes. This plant was introduced in India for its beautiful flowers and shape of leaves. It can propagate vegetatively at a fast ran- and spread all over the water body in a short time. It is very difficult to remove it from the water body.You need to login to perform this action.
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