Which one of the following rivers of India is called ‘biological desert’?
Before providing detail answer lets first understand what is the Biological desert –
Any of the water body where we dont find life i.e. hardly any fish life then it is considered as Biological Desert examples are dead sea, deep blue sea(far from coastlines) etc.
Now answer is very clear high level of pollutants had a negative impact on aquatic life of River and is considered as Biological Desert.