All statements regarding $BOD$ (Biochemical Oxygen Demand) are correct,except:
- AIt refers to the amount of oxygen that would be consumed if all the organic matter in one liter of water were oxidized by bacteria.
- B$BOD$ test is a measure of the organic matter present in the water.
- CThe greater the $BOD$ of wastewater,the lower is its polluting potential.
- DWastewater is treated until the $BOD$ is reduced significantly.
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View SolutionGiven below are two statements.
Statement $I$ - Algal blooms impart a distinct color to the water bodies.
Statement $II$ - Some bloom-forming algae are extremely toxic to fishes but not to human beings and other animals.
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Statement $I$ - Algal blooms impart a distinct color to the water bodies.
Statement $II$ - Some bloom-forming algae are extremely toxic to fishes but not to human beings and other animals.
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Column-$I$ Column-$II$ $(a)$ Chipko Movement $(1) \ 1987$ $(b)$ National Forest Policy of India $(2) \ 1980$ $(c)$ Joint Forest Management $(3) \ 1988$ $(d)$ Montreal Protocol $(4) \ 1974$
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| $(c)$ Joint Forest Management | $(3) \ 1988$ |
| $(d)$ Montreal Protocol | $(4) \ 1974$ |
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