A - The excreta (dung) of cattle is rich in m | vedclass

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(A) $1$. Methanogens are a group of anaerobic bacteria that produce methane $(CH_4)$ as a metabolic byproduct.$2$. These bacteria are commonly found i

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$A$ and $R$ both are correct.

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(A) $1$. Methanogens are a group of anaerobic bacteria that produce methane $(CH_4)$ as a metabolic byproduct.$2$. These bacteria are commonly found in the anaerobic sludge during sewage treatment and in the rumen (a part of the stomach) of cattle.$3$. Cattle dung is rich in these methanogens because they are present in the digestive tract of the animals.$4$. Due to the presence of these bacteria,cattle dung is used as an inoculum for the production of biogas in biogas plants.$5$. Therefore,both the assertion $(A)$ and the reason $(R)$ are correct,and $R$ is the correct explanation of $A$.

$A$ - The excreta (dung) of cattle is rich in methanogen bacteria.
$R$ - Thus,dung can be used in biogas production.

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$A$ - The excreta (dung) of cattle is rich in methanogen bacteria.$R$ - Thus,dung can be used in biogas production.