First slide

Gymnosperms

Question

Coralloid roots are seen in:

Easy

A

Pinus
B

Cycas
C

Dryopteris
D

Sphagnum

Solution

Roots in some genera have fungal association in the form of mycorrhiza (Pinus), while in some others (Cycas) small specialized roots called coralloid roots are associated with N₂- fixing cyanobacteria.

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