Which of the following are found in extreme saline conditions

Options

A. Archaebacteia
B. Eubacteria
C. Cyanobacteria
D. Mycobacteria

Answer

A

Explanation

(a) Archaebacteria are the most primiive form of bacteria. These live in diverse habitat, e.g. extreme hot temperature, saline condition, variable pH, etc. Saline bacteria are called Halophiles (e.g. Halobacterium, Halococcus). Concept Enhancer The ability of archaebacteria to survive in such conditions is due to the presence of branched lipid chain in their membrane, which reduces the fluidity of their membrane.