Question

Coralloid roots are associated with-(a) cycas
(b) pinus(c) ephedra
(d) ginkgo

Answer 1

Coralloid roots are associated with cycas. option A. coralloid are irregular, negative geotropic, dichotomously branched and doesn't posses root hair and caps. they have symbiotic association with cyanobacteria like nostoc and anabeana.

Answer 2

Hey!

➡In cycas small specialised roots called coralliod roots are associated with N2- fixing cyanobacteria

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