(B) Water hyacinth $(Eichhornia \text{ crassipes})$ is known as the 'Terror of Bengal'. It is an invasive aquatic weed that grows abundantly in eutrop

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(B) Water hyacinth $(Eichhornia \text{ crassipes})$ is known as the 'Terror of Bengal'. It is an invasive aquatic weed that grows abundantly in eutrophic water bodies, leading to an imbalance in the ecosystem by depleting dissolved oxygen, which causes the death of fishes. It propagates vegetatively at a phenomenal rate.