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Biological treatment of water pollution is done with the help of

Biological treatment of water pollution is done with the help of

Options

(a) phytoplanktons
(b) fungi
(c) lichen
(d) none of these

Correct Answer:

phytoplanktons

Explanation:

Water hyacinth (phytoplankton), can purify water polluted by biological and chemical wastes-water hyacinth has remarkable capacity to accumulate poisonous metals including radioactive substances.

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