Statement-I: Nuclear membrane is absent in ba | vedclass

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(A) Statement-$I$ is correct because bacteria are prokaryotic organisms,and a defining characteristic of prokaryotes is the absence of a well-defined

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Both statements $I$ and $II$ are correct

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(A) Statement-$I$ is correct because bacteria are prokaryotic organisms,and a defining characteristic of prokaryotes is the absence of a well-defined membrane-bound nucleus.Statement-$II$ is correct because methanogens are a group of Archaebacteria found in anaerobic environments (like the gut of ruminant animals or marshy areas) that produce methane $(CH_4)$ as a metabolic byproduct.Since both statements are factually accurate,the correct option is $A$.

Statement-$I$: Nuclear membrane is absent in bacteria.
Statement-$II$: Methanogens are responsible for the production of methane.

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Statement-$I$: Nuclear membrane is absent in bacteria.Statement-$II$: Methanogens are responsible for the production of methane.