Organisms that obtain energy by the oxidation of reduced inorganic compounds are called .............

What is the habitat of halophiles?

Consider the following four statements $(A-D)$ and select the option which includes all the correct ones only.
$(A)$ Archaebacteria differ from other bacteria in having a different cell wall structure.
$(B)$ Bacteria as a group show the most extensive metabolic diversity.
$(C)$ All Eubacteria have chlorophyll ' $a$' pigment similar to green plants.
$(D)$ Mycoplasma can survive without oxygen.

The existence of the process of transformation in cyanobacteria has been experimentally established by

Mycoplasma differs from virus in being sensitive to

Biochemical similarities are used in the identification of which of the following?