Which of the following is found in algal zone of Cycas coralloid roots?
A
Blue green algae
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B
Red algae
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C
Diatoms
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D
Brown algae
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Solution
The correct option is A Blue green algae The algal zone consists of blue-green algae in the coralloid roots. The relationship is a mutual relationship. The algae get the dwelling place, while Cycas can use the food produced by the algae.