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Which one of the following statement is false?
a) Cyanobacteria are autotrophic microbes widely distributed in aquatic and terrestrial environments
b) Anabaena, Nostoc and Oscillatoria are photosynthetic oxygenic nitrogen fixers
c) BGA can increase rice production
d) BGA adds organic matter to the soil and increases its fertility
e) In our country, biofertilisers are not available commercially in the markets for farmers

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Only (d)

None of these

Only (e)

Only (c)

answer is A.

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In our country, biofertilisers are available commercially in the markets for farmers.

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