What is $BOD$?
- AThe amount of oxygen that would be consumed if all the organic matter in one liter of water were oxidized by bacteria.
- BThe measurement of total oxygen present in water.
- CThe amount of oxygen consumed by bacteria to oxidize all the carbohydrates in one liter of water.
- DThe amount of oxygen consumed by bacteria to oxidize all the organic matter in one liter of water and the measurement of total oxygen in water.
Explore More
Similar Questions
Oil slick causes mass scale death of fishes due to
Medium
View SolutionIn automobiles,catalytic converters change unburnt hydrocarbons into
Easy
View SolutionWhich measures can be taken to control noise pollution?
$I-$ Use of sound-absorbent materials or mufflers in industries.
$II-$ Creating horn-free zones around hospitals and schools.
$III-$ Setting permissible sound levels for firecrackers and loud speakers.
$IV-$ Restricting the use of loudspeakers after a certain time.
$I-$ Use of sound-absorbent materials or mufflers in industries.
$II-$ Creating horn-free zones around hospitals and schools.
$III-$ Setting permissible sound levels for firecrackers and loud speakers.
$IV-$ Restricting the use of loudspeakers after a certain time.
Medium
View SolutionHigh value of $BOD$ (Biochemical Oxygen Demand) indicates that
MediumNEET 2015
View SolutionThe population of birds and reptiles is declining due to $.......$.
Medium
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