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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).
Related Questions: - Pyramid of energy in a pond ecosystem is always
- Secondary cell wall grows by
- The pollutants released by jet planes are
- Which one of the following are analogous structures?
- The presence of epiphytic roots is the characteristic feature of
Topics: Conservation and Environmental Issues
(111)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Pyramid of energy in a pond ecosystem is always
- Secondary cell wall grows by
- The pollutants released by jet planes are
- Which one of the following are analogous structures?
- The presence of epiphytic roots is the characteristic feature of
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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