In Gymnosperms, the roots are generally tap roots. Roots in some genera have fungal association in the form of (I) (e.g., Pinus), while in some others (e.g., Cycas) small specialised roots called (II)

Question

In Gymnosperms, the roots are generally tap roots. Roots in some genera have fungal association in the form of (I) (e.g., Pinus), while in some others (e.g., Cycas) small specialised roots called (II) are associated with N2-fixing cyanobacteria.

Accepted Answer

Answer: I-Mycorrhiza, II-Coralloid roots — Pinus roots associate with fungi (mycorrhiza); Cycas has coralloid roots for nitrogen fixation.

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