Biological Oxygen Demand $(BOD)$ is a measure of

  • A
    Industrial wastes poured into water bodies
  • B
    Extent to which water is polluted with organic compounds
  • C
    Amount of carbon monoxide inseparably combined with haemoglobin
  • D
    Amount of oxygen needed by green plants during night

Explore More

Similar Questions

In an aquatic food chain,if a water body has $0.003 \; ppb$ of $DDT$,its maximum concentration can be observed in:

The chemical present in Flit is

Assertion : Water pollutants are measured by $BOD$.
Reason : If $BOD$ is more,the water is polluted.

In water bodies,fish die due to eutrophication because of the lack of which of the following?

The 'Itai-itai' disease is caused by the poisoning of which of the following?

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial
For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free
For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo