Water Pollution · NCERT Biology

The 'Terror of Bengal' is an invasive aquatic weed known as:

  1. Parthenium hysterophorus
  2. Eichhornia crassipes
  3. Lantana camara
  4. Pistia stratiotes
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Correct answer: Eichhornia crassipes

Eichhornia crassipes (Water Hyacinth) was introduced to India for its beautiful flowers but became a problematic invasive species. It grows rapidly in eutrophic water bodies and drains oxygen, leading to the death of fish.

Difficulty: Medium Question 7 of 20

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