Select the correct combination of the statements (A-D) regarding the characteristics of certain organisms. [AIPMT (M) 2010] |
Methanogens are Archaebacteria, which produce methane in marshy areas. |
Nostoc is a filamentous blue-green algae, which fixes atmospheric nitrogen. |
Chemosynthetic-, .autotrophic bacteria synthesize cellulose from glucose. |
Mycoplasma lack a cell wall and can survive without oxygen. |
A) B, C
B) A, B, C
C) B, C, D
D) A, B, D
Correct Answer: D
Solution :
[d] Methanogens are archaebacteria, which produce methane in marshy areas. |
Nostoc is a blue-green alga, which fixes atmospheric nitrogen. |
Chemosynthetic autotrophs oxidize inorganic substances to produce energy and help in the cycling of minerals. |
Mycoplasmas are a group of eubacteria that lack a rigid cell wall and can survive without oxygen. |
You need to login to perform this action.
You will be redirected in
3 sec