Myxoxanthophyll is found in

$A$: 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 are completely autotrophic bacteria?

Chemosynthetic autotrophic bacteria like $Nitrosomonas$ obtain energy from $........$ for their $\text{ATP}$ production.

In the five-kingdom classification,actinomycetes are included in: