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The domestic sewage in large cities
Options
(a) has a high BOD as it contains both aerobic and anaerobic bacteria.
(b) is processed by aerobic and then anaerobic bacteria in the secondary treatment in Sewage Treatment Plants (STPs)
(c) when treated in STPs does not really require the aeration step as the sewage contains adequate oxygen
(d) has very high amounts of suspended solids and dissolved salts
Correct Answer:
is processed by aerobic and then anaerobic bacteria in the secondary treatment in Sewage Treatment Plants (STPs)
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Biology and Human Welfare
(44)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The waxy substance associated with cell walls of cork cells is
- The presence of large amount of nitrogen in the atomosphere is due to
- Benthic organisms are affected most by
- Lysozyme that is present in perspiration, saliva and tears, destroys
- Clones of plants can be produced by
Topics: Biology and Human Welfare (44)
Subject: Biology (4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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