Select the correct combinations or statements about characteristics of certain organisms.(a) Methanogens are archaebacteria which produce methane in marshy areas.(b) Nostoc is a filamentous green algae which fixes atmospheric nitrogen.(c) Chemosynthetic autotrophic bacteria synthesize cellulose from glucose.(d) Mycopolasma lacks a cell wall and pathogentic to plants as well as animals.

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(a), (b), (c) and (d)

(a), (b) and (d)

(a) and (d)

answer is D.

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Detailed Solution

Nostoc is a blue green alga and chemoautotrophs can not utilize organic materials like glucose to form cellulose.

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