Question

Select the features of Archaea from the following.

• A. Most primitive prokaryotes.
• B. Found in or on larger organisms.
• C. Classified via Gram staining process.
• D. Thrive in extreme conditions.

Answer 1

Answer: (A), (D)

The correct options are
A Most primitive prokaryotes.
D Thrive in extreme conditions.

Kingdom Monera, consists of all prokaryotic organisms and is further divided into two groups- Archaea and Eubacteria.
Archaebacteria are the most primitive prokaryotes, which thrive in extreme environments, like salt brines, hot springs and geothermal vents. Eubacteria, on the other hand are, true bacteria which are classified through Gram staining and are commonly found in soil, water and in or on larger organisms.