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The pulling strength of community waste water is usually characterized by its
Options
(a) BOD
(b) CFC
(c) MIC
(d) ABS
Correct Answer:
BOD
Explanation:
Strength of sewage or degree of water pollution is measured in terms of BOD (Biological Oxygen Demand) value. BOD may be defined as, ‘number of miligrams of O₂ required for decomposition of one litre of waste or water by decomposing micro-organisms (bacteria).
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Topics: Conservation and Environmental Issues
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Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- An organism used as a biofertilizer for raising soyabean crops is
- Which one of the following microbes forms symbiotic association with plants
- Fertilized ovum in humans is transplated in the uterus, how many days after
- The transport of ions up the stem to all parts is through
- Lysozyme that is present in perspiration, saliva and tears, destroys
Topics: Conservation and Environmental Issues (111)
Subject: Biology (4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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