Biological treatment of water pollution is done with the help of

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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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Topics: Conservation and Environmental Issues (111)
Subject: Biology (4253)

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