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Question
Which one of nitrogen fixing bacteria form a symbiotic association with a gymnosperm roots ?
Which one of nitrogen fixing bacteria form a symbiotic association with a gymnosperm roots ?
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Solution
The correct option is A Nostoc
The symbiotic association is seen between Nostoc and roots of cycad roots. Nostoc is also known as blue-green algae or cyanobacteria. It helps it by increasing the of nitrogen fixation.Hence correct answer is option A .
The symbiotic association is seen between Nostoc and roots of cycad roots. Nostoc is also known as blue-green algae or cyanobacteria. It helps it by increasing the of nitrogen fixation.
Hence correct answer is option A .
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