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Question
Besides paddy fields cyanobacteria are also found in vegetative part of
Besides paddy fields cyanobacteria are also found in vegetative part of
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Solution
The correct option is A Cycas
Cycas has unbranched, apogeotropic, coral-like roots called as coralloid roots, which harbour nitrogen fixing blue green algae, like Nostoc and Anabaena. These may be free-living or form symbiotic relationships with plants. They perform nitrogen fixation in heterocyst and photosynthesis in vegetative cell.So, the correct answer is option A.
Cycas has unbranched, apogeotropic, coral-like roots called as coralloid roots, which harbour nitrogen fixing blue green algae, like Nostoc and Anabaena. These may be free-living or form symbiotic relationships with plants. They perform nitrogen fixation in heterocyst and photosynthesis in vegetative cell.
So, the correct answer is option A.
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