$A$ bacterium is capable of withstanding extreme heat,dryness,and toxic chemicals. This indicates that it is probably able to form

The outermost limiting layer of $Mycoplasma$ is made up of

Eubacteria is an example of which domain?

The given characters are seen in which of the following group?
$(i)$ Unicellular,colonial,filamentous,symbiotic or free living.
$(ii)$ The colonies are surrounded by a gelatinous sheath.
$(iii)$ Some can fix atmospheric nitrogen in specialized cells called heterocysts.
$(iv)$ They often form blooms in water bodies.

Cyanobacteria are

Mycoplasma differs from virus in being sensitive to