A: Microbes are used in STPs.R: STPs are used | vedclass

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Question

(A) Assertion $(A)$ is true because $STPs$ (Sewage Treatment Plants) utilize heterotrophic microbes (like bacteria and fungi) in the secondary treatme

Vedclass · Accepted Answer

$A$ and $R$ are both true and $R$ is the correct explanation of $A$.

Vedclass · Answer

(A) Assertion $(A)$ is true because $STPs$ (Sewage Treatment Plants) utilize heterotrophic microbes (like bacteria and fungi) in the secondary treatment phase to digest organic matter.Reason $(R)$ is true because the primary purpose of $STPs$ is to reduce the $BOD$ (Biochemical Oxygen Demand) of sewage water before it is released into water bodies,thereby preventing water pollution.Since the use of microbes is the fundamental mechanism by which $STPs$ achieve the goal of preventing water pollution,$R$ is the correct explanation of $A$.

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

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