|Class 10 Biology Management of Natural Resources||Protecting the natural resources|
Ganga action plan is the project cam e about to the make the water of Ganga
Fig. Ganga action plan to make river Ganga clean
River Ganga was polluted by human activities like bathing, washing, industrial effluents and also by disease causing microorganisms.
Fig. polluted river Ganga
Coliform is a group of bacteria, found in human intestine, whose presence in water indicates contamination by disease causing microorganisms.
Fig. Coliform bacteria
Some of the pollutants are harmful even when present in small quantities and sophisticated techniques are required to maintain them.
Measuring pH of water is a technique that can be checked by using universal indicator.
Three R’s are used to save the environment –
Fig. Three R’s to save the environment