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  • Select the correct combination of the statements (a-d) regarding the characteristics of certain organisms (a) Methanogens are Archaebacteria whic

Select the correct combination of the statements (a-d) regarding the characteristics of certain organisms

(a) Methanogens are Archaebacteria which produce methane in marshy areas

(b) Nostoc is a filamentous blue-green alga which fixes atmospheric nitrogen

(c) Chemosynthetic autotrophic bacteria synthesize cellulose from glucose

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

The correct statements are

Option: 1

(b), (c)


Option: 2

(a), (b), (c)


Option: 3

(b), (c), (d)


Option: 4

(a), (b), (d)


Answers (1)

best_answer

In marshy places, archaebacteria called methanogens create methane. A filamentous blue-green alga called nostoc fixes nitrogen in the atmosphere.

Since it has no cell walls, mycoplasma can live without oxygen.

Hence, option D is the right answer.

Posted by

Riya

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