Biology, asked by ritikaroy0609, 9 months ago

Q 68. Select the incorrect statements regarding the characteristics of certain organism

a) Methanogens are archaebacteria which a)
produces methane in marshy areas

b) Nostoc is a filamentous blue green algae which fixes atmospheric nitrogen

c) Chemosynthetic autotrophic bacteria synthesize cellulose from glucose

d) Mycoplasma lack a cell wall and can survive without oxygen

Answers

Answered by archismitaj
0

a. Methanogens are archaebacteria belong to the domain of archaea, commonly found in wet, marshy areas, They produce methane gas.

b. Nostoc is the filamentous blue-green alga. They form gelatin body which contains trichomes.

c. Chemosynthetic autotrophic bacteria oxidized inorganic substance to produce energy. The oxidation of these substances helps in recycling of minerals. Hence they are called recyclers. But they do not synthesize cellulose from glucose.

d. Mycoplasma belongs to the smallest genus of bacteria. They do not have the cell wall and can live without oxygen.

So the correct answer is option A

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