Question
What effects does the increasing organic waste have on the dissolved oxygen content and biochemical oxygen demand of water?
✓
Answer
When increased organic waste enters the water bodies it serves as a food to microorganisms, thereby increasing the number of these microorganisms in the water bodies which need more and more dissolved oxygen to utilize for their metabolism. This results in an increase in the biological oxygen demand in water body.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Name the phylum in which dorsal nerve tube, notochord and pharyngeal gill clefts are present.
What are biogeochemical cycles?
What is megadiversity?
Enumerate various cells of connective tissue.
Why water should be used judiciously?
What are the genes? Where are they located in the cell?
Which type of epithelium is present in the organs where exchange of substances takes place?
Which are soliers of the body in offence and defence?
- Identify the tissue.
- Labels the parts marked 1, 2 and 3.
- What type of this tissue and where it occurs in body.
Give an example of Gram-negative eubacteria.