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Question
The ability of coralloid roots to fix atmospheric nitrogen is due to the presence of
The ability of coralloid roots to fix atmospheric nitrogen is due to the presence of
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Solution
The correct option is A Blue-green algae
Cyanobacteria within the coralloid roots of Cycads are chemoheterotrophic and specifically adapted to life in symbiosis. Not all cyanobacteria live in symbiosis, and only a few species form associations with Cycads. All Cyanobacteria in symbiosis with Cycads have the ability to fix nitrogen.
So, the correct option is "A" (Blue-green algae).
Cyanobacteria within the coralloid roots of Cycads are chemoheterotrophic and specifically adapted to life in symbiosis. Not all cyanobacteria live in symbiosis, and only a few species form associations with Cycads. All Cyanobacteria in symbiosis with Cycads have the ability to fix nitrogen. So, the correct option is "A" (Blue-green algae).
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