A) pith
B) cortex
C) endodermis
D) phloem
Correct Answer: B
Solution :
In Cycas, two types of roots are present: (1) Primary roots (2) Coralloid roots Coralloid roots have an algal zone in their cortex region. This algal zone contains blue green algae which helps to fix the atmospheric \[{{N}_{2}},\]for the plant.
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