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Question
Foul smell in the water of tanks, ponds etc., is due to:
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Solution
The correct option is A Anaerobiosis
Organic loading is occurrence of excess organic matter inside water. Its putrefaction decreases dissolved oxygen. Anaerobic putrefaction or anaerobiosis produces pollutants like methane, hydrogen sulphide and ammonia. They kill aquatic plants and animals. The water body comes to have foul smell, brown colouration, bad taste and oil.
Organic loading is occurrence of excess organic matter inside water. Its putrefaction decreases dissolved oxygen. Anaerobic putrefaction or anaerobiosis produces pollutants like methane, hydrogen sulphide and ammonia. They kill aquatic plants and animals. The water body comes to have foul smell, brown colouration, bad taste and oil.
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