In which kingdom are prokaryotes included?

Where are methanogenic bacteria found?

The length of $Mycobacterium$ $tuberculosis$ is: (in $\mu m$)

$A$: Bacillus and Coccus types of bacteria are found in colonial forms.
$R$: In bacteria,cells formed by cell division remain surrounded by a secreted slimy substance.

Select the mismatched pair from the following.

Which of the following is a characteristic of thermoacidophiles?