A) Baggiota
B) Chiorella
C) Azospirillum
D) Escherichia
Correct Answer: D
Solution :
[d] The number of bacteria as Escherichia coli in unit volume of water called 'Escherichia coli index' is taken as a parameter of water pollution. The presence of large number of E. coli shows the pollution level of water.You need to login to perform this action.
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