General Knowledge Ecology and Environment Ecology and Functions of an ecosystem

Biochemical oxygen demand of water is a measure of:

1

Water nitrate level

2

Water phosphate level

3

Water organic load

4

Water pesticide load

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