What do you mean by Biochemical Oxygen Demand $(BOD)$?
(N/A) Biochemical oxygen demand $(BOD)$ is the amount of dissolved oxygen required by aerobic microorganisms to decompose the organic matter present in a given volume of a water sample at a specific temperature over a specified time period.
Clean water typically has a $BOD$ value of less than $5 \ ppm$,whereas highly polluted water has a $BOD$ value of $17 \ ppm$ or more.
Clean water typically has a $BOD$ value of less than $5 \ ppm$,whereas highly polluted water has a $BOD$ value of $17 \ ppm$ or more.
Explore More
Similar Questions
Methane in the polluted air reacts with oxygen to form which of the following compounds?
Which of the following is a lung irritant that can lead to an acute respiratory disease in children?
Ozone is a toxic gas and a strong oxidizing agent. However,it is essential in the stratosphere. Explain what would happen if it were to disappear completely from the stratosphere.
Medium
View SolutionWhich of the following organs is damaged by pollutants like $SO_2$,$CO$,and $NO_2$?
Easy
View SolutionThe primary pollutant that leads to photochemical smog is
DifficultJEE MAIN 2019
View SolutionVedclass Products
For Students
Vedclass Test Series
Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.
Start Free TrialFor Teachers
Exam Paper Generator
Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.
Try FreeFor Institutes
Online Exam Module
Live online exams with unlimited students, 360° analytics & white-label branding.
See Demo