Why is water hyacinth considered a scourge of water bodies?

Why is water hyacinth considered a scourge of water bodies?
  1. It has beautiful flowers and leaves
  2. It drains oxygen from the water leading to death of fishes
  3. It is a very slow grower
  4. None of the above

Solution

Water hyacinth is considered a scourge of water bodies because it drains oxygen from the water leading to death of fishes.

Asked in: NCERT

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