Nostoc is

A

Green algae

B

Yellow-green algae

C

Blue- green algae

D

Red algae

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The correct Answer is:
C
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Read the following statements and select the correct ones:br (a) Anabaena is included under kingdom Monera, br (b) Nostoc is a filamentous blue green alga,br (c) Cyanobacteria perfom, oxygenic photosynthesis & they can have nitrogenase,br (c) Cyanobacteria perfom, oxygenic photosynthesis & they can have nitrogenase.

Study the following statements and select the correct ones (i) Methanogens are archeabacteria which produce methane in marshy areas (ii) Nostoc is a filamentous blue green alga which fixes atmospheric nitrogen. (iii) Many membres of the genus Glomus form my corrhiza.

Select the correct combination of the statement of the statement (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 algae which fixes atmospheric nitrogen (C) Chemosynthetic autotrophic bacteria synthesize cellulose from glucose (D) Mycoplasma lack a cell and cen survive without oxygen The correct statement are

Select the correct combination of the statements (i-iv) regarding the characteristics of certain organisms. (i) Methanogens are archaebacteria which produce methane in marshy areas (ii) Nostoc is a filamentous blue-green alga which fixes atmospheric nitrogen (iii) Chemosnthetic autotrophic bacteria synthesise cellulose from glucose (iv) Mycoplasma lack a cell wall and can survive without oxygen The correct statements are

Nitrogenase is found in Nostoc in the

Nitrogenase enzyme is found in Nostoc in the cell of

$ Nostoc has chloropyll "a" and phycocyanin pigments. ! Chlorophyll "a" helps in oxygenic photosynthesis.

NTA MOCK TESTS-NEET MOCK TEST 3-BIOLOGY
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  13. Carbon dioxide is transported in blood in the form of

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  14. Oogenesis comprises:

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  15. A free-living nitrogen-fixing cyanobacterium which can also form symbi...

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