Identify the gymnosperm that has coralloid roots ASSOCIATED with N₂-fi…

Question

Identify the gymnosperm that has coralloid roots ASSOCIATED with N₂-fixing cyanobacteria.

Accepted Answer

B. Cycas

Cycas has SMALL specialised roots called CORALLOID ROOTS that house N₂-fixing cyanobacteria.
Pinus has mycorrhizal (fungal) root associations.
Sequoia is the giant redwood.
Ginkgo is another gymnosperm but without coralloid roots.

Answer

Pinus

Answer

Ginkgo

Answer

Sequoia

Identify the gymnosperm that has coralloid roots ASSOCIATED with N₂-fixing cyanobacteria.

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