Class 12 Biology Microbes in Human Welfare Microbes in Sewage Treatment

Easy

Presence of $E. coli$ in water indicates

A
Water is clear
B
Water is fully polluted
C
Inorganic pollution
D
Faecal pollution

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Class 12 Questions

Class 12

Biology Questions

Chapter

Microbes in Human Welfare

Subtopic

Microbes in Sewage Treatment

Similar Questions

Identify the correct statement from the following.

Medium

The key substance between primary and secondary treatment in Sewage Treatment Plants $(STP)$ is?

$A$: Microbes are used in $STPs$.
$R$: $STPs$ are used to prevent water pollution.

Medium

What is the free water above the primary sludge called?

Medium

What is activated sludge?

Medium

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