Question

Which of the given is associated with coralloid roots of Cycas?
Anabaena cycadae
Boletus
Halobacterium
Anabaena azollae​

Answer 1

Answer:

Coralloid root of Cycas contain

Coralloid roots from the base of a cycad (Dioon spinulosum). The brittle roots contain colonies of nitrogen-fixing cyanobacteria. Microscopic cross-section of a coralloid root from the base of a cycad (Dioon spinulosum). Just inside the outer cortex is a greenish layer of nitrogen- fixing cyanobacteria.

Explanation: