Which of the following are archaebacteria?
a) Methanogen b) Pseudomonas
c) Green sulphur d) Chlamydias.
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Answer: (a) Methanogen.
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Answer:
option a methanogen is a correct answer.
archaebacteria =
archaebacteria are the oldest bacteria on the earth.
it also is known as harsh bacteria, ancient bacteria.
this bacteria can survive in many extreme conditions like extremely salty areas, that are halophiles., Hotspring thermoacidophiles. and marshy areas methanogens.
this bacteria can differ from other bacteria in the structure of their cell wall.
this is useful bacteria also like it is present in the guts of ruminant animals and helpful in biogas production.
cell wall contains protein and non-cellulosic polysaccharides.
Methanobacterium, Methcinococcus. are other examples of methanogenic bacteria.
- other bacteria which are given in options are not archaebacteria. green sulfur belongs to eubacteria.
- chlamydias also belongs from archaebacteria.
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