General Knowledge Ecology and Environment Environmental pollution

Which of the following is a key indicator in measurement of organic pollution in rivers/lakes ?

1

Venus Necklace

2

Biochemical Oxygen Demand (BOD)

3

Total Dissolved Solids

4

pH

Sponsored

hivanix.in

This quiz is brought to you by hivanix.in

🌐 Web App Development

Other Tools: chatwiz.hivanix.in mmspace.hivanix.in unogame.hivanix.in

Quick Navigation

Home

Subjects

Chapters