What is $B.O.D$?

  • A
    The amount of $O_2$ consumed by aquatic organisms.
  • B
    The amount of $O_2$ that would be consumed if all the organic matter in one liter of water were oxidized by bacteria.
  • C
    The total amount of $O_2$ present in water.
  • D
    All of the above.

Explore More

Similar Questions

When a huge amount of sewage is dumped into a river,the $BOD$ will

Which of the following causes an outbreak of jaundice?

What are the components of domestic sewage and industrial effluents?

Pesticides cause

Which of the following is a main factor of water pollution?

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