An example of negatively geotropic root

Question

An example of negatively geotropic root (A) Coralloid root of Cycas (B) Pneumatophore of mangroves (C) Assimilatory roots of Trapa (D) More than one of the above

Tardigrade Admin · Accepted Answer

The coralloid root of Cycas and pneuamatophores of mangroves (like Rhizophora) become negatively geotropic i.e., come above the soil surface, due to bacterial infection and for aeration, respectively.

Q. An example of negatively geotropic root

Coralloid root of Cycas

Pneumatophore of mangroves

Assimilatory roots of Trapa

More than one of the above

The coralloid root of Cycas and pneuamatophores of mangroves (like Rhizophora) become negatively geotropic i.e., come above the soil surface, due to bacterial infection and for aeration, respectively.