General Knowledge Ecology and Environment Environmental pollution

Biological Oxygen Demand is a standard criterion for which of the following?

1
Measuring  oxygen level in blood.
2
Computing oxygen levels in forest ecosystem.
3
Pollution assay in aquatic ecosystems.
4
Assessing oxygen levels high altitude region.

Sponsored

hivanix.in

Visit

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