Q. Which one of the following environmental conditions promotes rapid growth of water hyacinth?

[A] Nutrient-rich water

[B] Cold water bodies

[C] Fast-flowing streams

[D] Saline water

Answer: A
Notes:

Explanation – Water hyacinth (Eichhornia crassipes) thrives in nutrient-rich water, which provides the nitrogen and phosphorus necessary for its rapid growth. Water hyacinth is a free-floating, perennial aquatic plant known for its rapid growth and invasive nature. It is considered one of the most problematic aquatic weeds globally, causing significant ecological, economic, and social challenges.

Source: The Hindu

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