Those organisms which cannot use oxygen for growth and are even harmed by its presence are known as:

Match Column-$I$ with Column-$II$ and select the correct option.

Column-$I$	Column-$II$
$(A)$ Halophiles	$(p)$ Gram-positive bacteria
$(B)$ Firmicutes	$(q)$ Hot springs habitat
$(C)$ Methanogens	$(r)$ Gram-negative bacteria
$(D)$ Spirochetes	$(s)$ Photosynthetic bacteria
$(E)$ Thermoacidophiles	$(t)$ Extremely salty areas habitat
	$(u)$ Responsible for biogas production

Assertion $A$: Some bacteria possess unique phenotypic characters.
Reason $R$: Many bacterial cells contain plasmid $DNA$ in addition to genomic $DNA$.
Which option is correct for Assertion $A$ and Reason $R$?

Which of the following contains polyhedral bodies?

Which one is the smallest organism capable of autonomous growth and reproduction?

Which of the following granules or structures are present in cyanobacteria?