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When domestic sewage mixes with river water ?
  • a)
    Small animals like rats will die after drinking river water
  • b)
    The increased microbial activity release micro-nutrients such as iron
  • c)
    The increases microbial activity uses up dissolved oxygen
  • d)
    The river water is still suitable for drinking as impurities are only about 0.1%.
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
When domestic sewage mixes with river water ?a)Small animals like rats...
Microbes digest the domestic sewage by the use of oxygen so there is a rapid decline in the amount of oxygen that lead to the death of fish . the amount of oxygen used by the microbes to digest organic matter present in 1 litre is called the BOD.BOD rapidly increases during this.
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When domestic sewage mixes with river water ?a)Small animals like rats...
The dissolveed oxygen will be used by the bacteria to decompose the organic material.
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When domestic sewage mixes with river water ?a)Small animals like rats will die after drinking river waterb)The increased microbial activity release micro-nutrients such as ironc)The increases microbial activity uses up dissolved oxygend)The river water is still suitable for drinking as impurities are only about 0.1%.Correct answer is option 'C'. Can you explain this answer?
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When domestic sewage mixes with river water ?a)Small animals like rats will die after drinking river waterb)The increased microbial activity release micro-nutrients such as ironc)The increases microbial activity uses up dissolved oxygend)The river water is still suitable for drinking as impurities are only about 0.1%.Correct answer is option 'C'. Can you explain this answer? for NEET 2025 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about When domestic sewage mixes with river water ?a)Small animals like rats will die after drinking river waterb)The increased microbial activity release micro-nutrients such as ironc)The increases microbial activity uses up dissolved oxygend)The river water is still suitable for drinking as impurities are only about 0.1%.Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for NEET 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for When domestic sewage mixes with river water ?a)Small animals like rats will die after drinking river waterb)The increased microbial activity release micro-nutrients such as ironc)The increases microbial activity uses up dissolved oxygend)The river water is still suitable for drinking as impurities are only about 0.1%.Correct answer is option 'C'. Can you explain this answer?.
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