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Question
Liberation of H2S/foul smell in water of tanks, ponds, etc is due to
Liberation of H2S/foul smell in water of tanks, ponds, etc is due to
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Solution
The correct option is A Anaerobiosis
An anaerobic organism does not require oxygen for growth. The existence of life in the absence of the oxygen is called anaerobiosis. When the concentration of the organic compounds increases in the water body, the oxygen gets depleted from water body due to aerobic breakdown. But this process soon depletes the oxygen and then the anaerobic bacteria partially breaks down the sediment expelling hydrogen sulphide in the process causing a foul smell.Hence, the correct answer is 'Anaerobiosis'.
An anaerobic organism does not require oxygen for growth. The existence of life in the absence of the oxygen is called anaerobiosis. When the concentration of the organic compounds increases in the water body, the oxygen gets depleted from water body due to aerobic breakdown. But this process soon depletes the oxygen and then the anaerobic bacteria partially breaks down the sediment expelling hydrogen sulphide in the process causing a foul smell.
Hence, the correct answer is 'Anaerobiosis'.
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