Which of the following statements is not true for Nostoc?

It is chemosynthetic autotroph

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It is filamentous member of Monera

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It can fix atmospheric nitrogen

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It produces some special cells called heterocysts

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Solution

The correct option is A
It is chemosynthetic autotroph

Nostoc is photosynthetic autotroph.

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1. Methanogens are archaebacteria which produce methane in marshy areas
2. Nostoc is a filamentous blue-green alga which fixes atmospheric nitrogen
3. Chemosynthetic autotrophic bacteria synthesize cellulose from glucose.
4. Mycoplasma lacks a cell wall and can survive without oxygen.
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Q. I. Unicellular, colonial, filamentous, marine or terrestrial forms.
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Which of the following statements is not true for Nostoc?

The correct option is A It is chemosynthetic autotroph Nostoc is photosynthetic autotroph.

The correct option is A
It is chemosynthetic autotroph

Nostoc is photosynthetic autotroph.